Swakeleys Roundabout - There is a broken down car on the eastbound on slip road to the A40.
All lanes are open.
Nearest town: 17.55 miles from Harpenden Common.
Bowes Road (North Circular Road) (All Directions) - The traffic signals are not operating under central computer control at this junction.
Traffic signals at this location are now on and working.
Nearest town: 17.12 miles from Harpenden Common.
Walthamstow Avenue (North Circular Road) (Eastbound) On approach to the Crooked Billet Roundabout.
Partial restriction of the off slip towards the roundabout due to an accident.
The collision has been cleared.
All lanes are open.
Nearest town: 19.89 miles from Harpenden Common.
Lordship Lane (All Directions) at the junction of Bruce Grove - Temporary traffic lights in place due to water works Traffic is flowing well in the area.
Nearest town: 18.81 miles from Harpenden Common.
Green Street (All Directions) at the junction of Jute Lane - The level crossing barriers are now working.
Fault now repaired.
Nearest town: 17.39 miles from Harpenden Common.
Lordship Lane (All Directions) at the junction of The Roundway - Collision - Lordship Lane is blocked eastbound -Slow moving traffic on approach All roads have reopened.
Traffic is flowing well.
Nearest town: 18.36 miles from Harpenden Common.
Aldermans Hill at the junction with Green Lanes - There will be temporary signals in operation due to a crane in the area.
No restrictions in place.
Nearest town: 16.85 miles from Harpenden Common.
Edgware Road West Hendon Broadway junction with Cool Oak Lane (All Directions).
There is a reported collision at this location.
All lanes are open.
Nearest town: 16.63 miles from Harpenden Common.
Finchley Road junction with Goldhurst Terrace (All Directions).
The Traffic lights at this junction are now working.
The Traffic lights at this junction are now working.
Nearest town: 19.52 miles from Harpenden Common.
Watling Avenue (All Directions) at the junction of Orange Hill Road .
Traffic signals have been restored.
Traffic signals have been restored.
Nearest town: 14.55 miles from Harpenden Common.
Western Avenue (Eastbound) near the junction with Alperton Lane - Collision - Lane one reopened.
Traffic is flowing well for the time of day.
Nearest town: 18.95 miles from Harpenden Common.
Angel Road (North Circular Road) (All Directions) at the junction of the Cooks Ferry Flyover - The A406 has been fully reopened eastbound with one lane reopened in the westbound carriageway.
All lanes open with traffic flowing well.
Nearest town: 19.21 miles from Harpenden Common.
Southgate Circus junction with Chase Side(All Directions) There is a collision at this location.
Traffic is flowing well.
Nearest town: 15.54 miles from Harpenden Common.
Archway Road (All Directions) at the junction of Tollhouse Way - Signal upgrade works.
Expect delays when restrictions in operation.
Works are currently confined to the footways and central reservations.
Nearest town: 19.19 miles from Harpenden Common.
Seven Sisters Road (Both Directions) at the junction of A10 Tottenham High Road- The road will be closed overnight to facilitate works.
Nearest town: 19.73 miles from Harpenden Common.
Kymberley Road (One Way System) between Headstone Road and College Road - Road closure to facilitate resurfacing works
Nearest town: 15.52 miles from Harpenden Common.
Forty Avenue (All Directions) at the junction of Preston Road.
Lane restrictions in place due to a collision.
The road has reopened.
Nearest town: 16.98 miles from Harpenden Common.
High Street Harlesden (All Directions) at the junction of Wendover Road - Faulty traffic signals The traffic signals have been repaired.
Nearest town: 19.2 miles from Harpenden Common.
Broad Lane (Northbound) there will be no right turn into High Road due to works in the area.
Nearest town: 19.65 miles from Harpenden Common.
Location: southbound at junction J13 (Milton Keynes) .
Due to: Congestion.
Normal traffic conditions are expected between 01:30 and 01:45 on 14 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 18.57 miles from Harpenden Common.
Location: southbound at junction J8 (Hemel Hstead) link between slip roads.
Due to: Roadworks.
Period : from 03:28 on 14 March 2026 to 05:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 3.81 miles from Harpenden Common.
Location: anticlockwise entry slip at junction J21 (M1) .
Due to: Roadworks.
Period : from 23:16 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 6.07 miles from Harpenden Common.
Location: clockwise entry slip at junction J21 (M1) .
Due to: Roadworks.
Period : from 23:17 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 6.07 miles from Harpenden Common.
Location: southbound exit slip at junction J6A (St Albans) .
Due to: Roadworks.
Period : from 23:13 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 5.73 miles from Harpenden Common.
Location: eastbound between the junctions with the M1 and the A405 .
Due to: Roadworks.
Period : from 22:32 on 13 March 2026 to 05:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 4.37 miles from Harpenden Common.
Location: southbound between junctions J13 (Milton Keynes) and J12 (Flitwick) .
Due to: Roadworks.
Period : from 22:06 on 13 March 2026 to 05:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.23 miles from Harpenden Common.
Location: southbound between junctions J6A (St Albans) and J6 (Watford A405) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 14 March 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 5.69 miles from Harpenden Common.
Location: southbound exit slip at junction J12 (Flitwick) .
Due to: Roadworks.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 12.91 miles from Harpenden Common.
Location: southbound between junctions J13 (Milton Keynes) and J12 (Flitwick) .
Due to: Roadworks.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.49 miles from Harpenden Common.
Location: southbound at junction J13 (Milton Keynes) .
Due to: Roadworks.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 18.81 miles from Harpenden Common.
Location: The A1M northbound between junctions J6 and J7 .
Due to: Roadworks scheme.
Period : from 21:03 on 13 March 2026 to 05:00 on 21 March 2026.
Nearest town: 8 miles from Harpenden Common.
Location: southbound between the junctions with the M25 and the A5135 .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 10.1 miles from Harpenden Common.
Location: The A1M southbound at junction J1 .
Due to: Emergency barrier repairs.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 9.8 miles from Harpenden Common.
Location: The A1M southbound between junctions J3 and J1 .
Lane Closures : Lane two is closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 9.19 miles from Harpenden Common.
Location: anticlockwise exit slip at junction J23 (Hatfield) .
Lane Closures : Lane one is closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 10.2 miles from Harpenden Common.
Location: clockwise at junction J23 (Hatfield) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 14 March 2026 to 06:00 on 15 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.65 miles from Harpenden Common.
Location: clockwise between junctions J22 (St Albans) and J23 (Hatfield) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 14 March 2026 to 06:00 on 15 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 7.87 miles from Harpenden Common.
Location: anticlockwise between junctions J18 (Rickmansworth) and J16 (M40) .
Lane Closures : The hard shoulder, lanes 1, 2 and 3 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 14 March 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 12.47 miles from Harpenden Common.
Location: southbound exit slip at junction J8 (Hemel Hstead) .
Lane Closures : Lane two is closed.
Due to: Barrier repairs.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 3.46 miles from Harpenden Common.
Location: southbound between junctions J8 (Hemel Hstead) and J6 (Watford A405) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 4.66 miles from Harpenden Common.
Location: northbound between the A507 and the junction with the A6001 Biggleswade South .
Lane Closures : Lane two is closed.
Due to: Horticultural works.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 17.28 miles from Harpenden Common.
Location: southbound between the A6001 Biggleswade South and the junction with the A507 .
Lane Closures : Lane two is closed.
Due to: Horticultural works.
Period : expect disruption until 05:00 on 14 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 18.63 miles from Harpenden Common.
Location: clockwise at junction J23 (Hatfield) .
Lane Closures : Lane three is closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 9.65 miles from Harpenden Common.
Location: clockwise between junctions J22 (St Albans) and J23 (Hatfield) .
Lane Closures : Lanes 3 and 4 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 8.75 miles from Harpenden Common.
Location: anticlockwise between junctions J25 (Enfield) and J24 (Potters Bar) .
Lane Closures : Lanes 1, 2 and 3 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 12.45 miles from Harpenden Common.
Location: northbound between junctions J9 (Dunstable A5) and J11A .
Due to: Roadside Equipment Maintenance.
Period : from 15:26 on 4 March 2026 to 05:00 on 19 March 2026.
Nearest town: 2.42 miles from Harpenden Common.
Location: anticlockwise between junctions J23 (Hatfield) and J22 (St Albans) .
Lane Closures : Lanes 3 and 4 are closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 9.56 miles from Harpenden Common.
Location: anticlockwise at junction J23 (Hatfield) .
Lane Closures : Lane three is closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 10.01 miles from Harpenden Common.
Location: The A1M northbound exit slip at junction J9 .
Due to: Roadworks scheme.
Period : from 21:00 on 11 March 2026 to 05:00 on 17 March 2026.
Nearest town: 6.86 miles from Harpenden Common.
Location: The A1M southbound between junctions J9 and J6 .
Due to: Roadworks scheme.
Period : from 21:02 on 9 March 2026 to 05:00 on 18 March 2026.
Nearest town: 13.01 miles from Harpenden Common.
Location: northbound between junctions J12 (Flitwick) and J13 (Milton Keynes) .
Lane Closures : Lane three is closed.
Due to: Emergency roadworks.
Period : from 13:42 on 21 February 2026 to 12:00 on 24 March 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 15.22 miles from Harpenden Common.
Location: southbound between junctions J13 (Milton Keynes) and J12 (Flitwick) .
Lane Closures : Lane three is closed.
Due to: Emergency roadworks.
Period : from 13:35 on 21 February 2026 to 12:00 on 24 March 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 17.43 miles from Harpenden Common.
Location: The A1M southbound between junctions J8 and J7 .
Lane Closures : The hard shoulder is closed.
Due to: Bridge repairs.
Period : expect disruption until 21:00 on 8 October 2026.
Nearest town: 10.34 miles from Harpenden Common.
Location: The A1M northbound between junctions J7 and J8 .
Lane Closures : The hard shoulder is closed.
Due to: Bridge repairs.
Period : expect disruption until 21:00 on 8 October 2026.
Nearest town: 10.07 miles from Harpenden Common.
Location: anticlockwise between junctions J22 (St Albans) and J21A (Watword) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 20 March 2026 to 05:30 on 21 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 6.73 miles from Harpenden Common.
Location: northbound at junction J1 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 20 March 2026 to 05:30 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.67 miles from Harpenden Common.
Location: westbound between the A437 and the junction with the A412 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 20 March 2026 to 05:30 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.59 miles from Harpenden Common.
Location: The A1M northbound between junctions J5 and J6 .
Due to: Road marking works are planned.
Status : Pending.
Schedule : From 23:00 on 20 March 2026 to 05:30 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.79 miles from Harpenden Common.
Location: The A1M northbound between junctions J3 and J4 .
Lane Closures : Lane three will be closed.
Due to: Road marking works are planned.
Status : Pending.
Schedule : From 23:00 on 20 March 2026 to 05:30 on 21 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 5.99 miles from Harpenden Common.
Location: The A1M northbound at junction J4 .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Road marking works are planned.
Status : Pending.
Schedule : From 23:00 on 20 March 2026 to 05:30 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.18 miles from Harpenden Common.
Location: The A1M northbound between junctions J4 and J5 .
Due to: Road marking works are planned.
Status : Pending.
Schedule : From 23:00 on 20 March 2026 to 05:30 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.16 miles from Harpenden Common.
Location: The A1M northbound exit slip at junction J6 .
Due to: Road marking works are planned.
Status : Pending.
Schedule : From 23:00 on 20 March 2026 to 05:30 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.46 miles from Harpenden Common.
Location: northbound at junction J11A .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 9.51 miles from Harpenden Common.
Location: northbound between junctions J11 (Luton) and J11A .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 8.74 miles from Harpenden Common.
Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 18.19 miles from Harpenden Common.
Location: clockwise at junction J25 (Enfield) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:30 on 17 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.51 miles from Harpenden Common.
Location: clockwise between junctions J24 (Potters Bar) and J25 (Enfield) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:30 on 17 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 14.38 miles from Harpenden Common.
Location: clockwise exit slip at junction J25 (Enfield) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:30 on 17 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.51 miles from Harpenden Common.
Location: clockwise exit slip at junction J25 (Enfield) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:30 on 17 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.7 miles from Harpenden Common.
Location: The A1M northbound between junctions J6 and J7 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 8.26 miles from Harpenden Common.
Location: clockwise at junction J20 (Hemel Hstead) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 17 March 2026 to 05:30 on 18 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 8.33 miles from Harpenden Common.
Location: anticlockwise between junctions J16 (M40) and J15 (Slough) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2026 to 05:00 on 20 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 18.99 miles from Harpenden Common.
Location: southbound between junctions J8 (Hemel Hstead) and J6 (Watford A405) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2026 to 05:30 on 20 March 2026.
Schedule : From 23:00 on 20 March 2026 to 06:00 on 21 March 2026.
Schedule : From 22:00 on 23 March 2026 to 05:30 on 24 March 2026.
Schedule : From 22:00 on 26 March 2026 to 05:30 on 27 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 4.38 miles from Harpenden Common.
Location: southbound between junctions J6A (St Albans) and J6 (Watford A405) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2026 to 05:30 on 20 March 2026.
Schedule : From 23:00 on 20 March 2026 to 06:00 on 21 March 2026.
Schedule : From 22:00 on 23 March 2026 to 05:30 on 24 March 2026.
Schedule : From 22:00 on 26 March 2026 to 05:30 on 27 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 5.68 miles from Harpenden Common.
Location: northbound between junctions J1 (North Circular) and J2 (North Circular) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2026 to 05:30 on 20 March 2026.
Schedule : From 23:00 on 20 March 2026 to 06:00 on 21 March 2026.
Schedule : From 22:00 on 23 March 2026 to 05:30 on 24 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 15.73 miles from Harpenden Common.
Location: clockwise between junctions J16 (M40) and J17 (Maple Cross) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2026 to 05:30 on 20 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 14.05 miles from Harpenden Common.
Location: clockwise at junction J17 (Maple Cross) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2026 to 05:30 on 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.4 miles from Harpenden Common.
Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 19 March 2026 to 05:00 on 20 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 18.49 miles from Harpenden Common.
Location: northbound between junctions J3 (Loudwater) and J4 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.73 miles from Harpenden Common.
Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.08 miles from Harpenden Common.
Location: northbound exit slip at junction J3 (Loudwater) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.73 miles from Harpenden Common.
Location: anticlockwise between junctions J23 (Hatfield) and J22 (St Albans) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 17 March 2026 to 05:30 on 18 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 8.14 miles from Harpenden Common.
Location: southbound between junctions J9 (Dunstable A5) and J8 (Hemel Hstead) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 March 2026 to 21 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 2.52 miles from Harpenden Common.
Location: southbound between junctions J13 (Milton Keynes) and J12 (Flitwick) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 19 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 26 March 2026 to 28 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.06 miles from Harpenden Common.
Location: northbound between junctions J9 (Dunstable A5) and J10 (Luton Airport) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 09:30 on 19 March 2026 to 15:30 on 19 March 2026.
Nearest town: 2.67 miles from Harpenden Common.
Location: northbound between junctions J9 (Dunstable A5) and J10 (Luton Airport) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 09:30 on 19 March 2026 to 15:30 on 19 March 2026.
Nearest town: 3.26 miles from Harpenden Common.
Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 18 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 23 March 2026 to 28 March 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 30 March 2026 to 2 April 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 7 April 2026 to 9 April 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.54 miles from Harpenden Common.
Location: northbound between junctions J2 (Beaconsfield) and J4 (High Wycombe) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 18 March 2026 to 21 March 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 23 March 2026 to 28 March 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 30 March 2026 to 2 April 2026.
Schedule : Expect disruption everyday between 22:15 and 06:00 from 7 April 2026 to 9 April 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 18.4 miles from Harpenden Common.
Location: northbound between junctions J1 (North Circular) and J5 (Harrow A41) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2026 to 05:30 on 19 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 12.04 miles from Harpenden Common.
Location: clockwise between junctions J16 (M40) and J17 (Maple Cross) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2026 to 05:30 on 19 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 14.98 miles from Harpenden Common.
Location: northbound between junctions J1 (Slough) and J1A (Watford) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 05:00 on 19 March 2026.
Nearest town: 18.03 miles from Harpenden Common.
Location: The A1M northbound between junctions J6 and J7 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 8.27 miles from Harpenden Common.
Location: The A1M northbound between junctions J6 and J7 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 17 March 2026 to 21 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 8 miles from Harpenden Common.
Location: southbound between junctions J12 (Flitwick) and J11A .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 17 March 2026 to 05:00 on 18 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 12.91 miles from Harpenden Common.
Location: southbound entry slip at junction J12 (Flitwick) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 17 March 2026 to 05:00 on 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.56 miles from Harpenden Common.
Location: clockwise between junctions J16 (M40) and J18 (Rickmansworth) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 March 2026 to 05:30 on 18 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 13.92 miles from Harpenden Common.
Location: clockwise entry slip at junction J17 (Maple Cross) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 March 2026 to 05:30 on 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.13 miles from Harpenden Common.
Location: southbound between junctions J13 (Milton Keynes) and J12 (Flitwick) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 17 March 2026 to 05:00 on 18 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 13.7 miles from Harpenden Common.
Location: southbound between junctions J4 (High Wycombe) and J2 (Beaconsfield) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2026 to 00:00 on 18 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 18.6 miles from Harpenden Common.
Location: northbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2026 to 05:00 on 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.91 miles from Harpenden Common.
Location: anticlockwise exit slip at junction J23 (Hatfield) .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:30 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.2 miles from Harpenden Common.
Location: southbound between junctions J9 (Dunstable A5) and J8 (Hemel Hstead) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 09:30 on 17 March 2026 to 15:30 on 17 March 2026.
Nearest town: 3.17 miles from Harpenden Common.
Location: southbound between junctions J10 (Luton Airport) and J9 (Dunstable A5) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 09:30 on 17 March 2026 to 15:30 on 17 March 2026.
Nearest town: 2.9 miles from Harpenden Common.
Location: southbound exit slip at junction J9 (Dunstable A5) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 09:30 on 17 March 2026 to 15:30 on 17 March 2026.
Nearest town: 2.71 miles from Harpenden Common.
Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 22:15 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 18.19 miles from Harpenden Common.
Location: northbound between junctions J1 (North Circular) and J2 (North Circular) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:30 on 19 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 15.73 miles from Harpenden Common.
Location: southbound between junctions J12 (Flitwick) and J11A .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 10.89 miles from Harpenden Common.
Location: anticlockwise between junctions J16 (M40) and J15 (Slough) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:30 on 17 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 19.51 miles from Harpenden Common.
Location: anticlockwise at junction J25 (Enfield) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 March 2026 to 20 March 2026.
Schedule : From 23:00 on 20 March 2026 to 06:00 on 21 March 2026.
Schedule : From 22:00 on 21 March 2026 to 06:00 on 22 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.04 miles from Harpenden Common.
Location: anticlockwise between junctions J26 (Waltham Abbey) and J25 (Enfield) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 March 2026 to 20 March 2026.
Schedule : From 23:00 on 20 March 2026 to 06:00 on 21 March 2026.
Schedule : From 22:00 on 21 March 2026 to 06:00 on 22 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 17.59 miles from Harpenden Common.
Location: southbound entry slip at junction J5 (Harrow A41) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 March 2026 to 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.16 miles from Harpenden Common.
Location: southbound between junctions J6 (Watford A405) and J5 (Harrow A41) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 March 2026 to 19 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 8.2 miles from Harpenden Common.
Location: northbound at junction J11 (Luton) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 7.54 miles from Harpenden Common.
Location: northbound between junctions J10 (Luton Airport) and J11 (Luton) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 6.83 miles from Harpenden Common.
Location: clockwise between junctions J16 (M40) and J17 (Maple Cross) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:30 on 17 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 15.85 miles from Harpenden Common.
Location: southbound exit slip at junction J2 (North Circular) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 March 2026 to 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.82 miles from Harpenden Common.
Location: northbound exit slip at junction J11 (Luton) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.54 miles from Harpenden Common.
Location: southbound exit slip at junction J4 (Edgware A41) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 March 2026 to 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.84 miles from Harpenden Common.
Location: southbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 March 2026 to 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.44 miles from Harpenden Common.
Location: southbound between junctions J5 (Harrow A41) and J1 (North Circular) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 March 2026 to 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.04 miles from Harpenden Common.
Location: southbound exit slip at London Gateway Services.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 March 2026 to 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.23 miles from Harpenden Common.
Location: anticlockwise between junctions J25 (Enfield) and J24 (Potters Bar) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 March 2026 to 20 March 2026.
Schedule : From 23:00 on 20 March 2026 to 06:00 on 21 March 2026.
Schedule : From 22:00 on 21 March 2026 to 06:00 on 22 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 15.53 miles from Harpenden Common.
Location: The A1M northbound between junctions J8 and J9 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 16 March 2026 to 21 March 2026.
Nearest town: 10.85 miles from Harpenden Common.
Location: The A1M southbound between junctions J9 and J8 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 16 March 2026 to 21 March 2026.
Nearest town: 11.42 miles from Harpenden Common.
Location: southbound between junctions J2 (Beaconsfield) and J1A (Watford) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 18.47 miles from Harpenden Common.
Location: northbound between the junctions with the A4146 Bletchley South and the A4146 Bletchley North.
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.48 miles from Harpenden Common.
Location: southbound between the A4146 North and the junction with the A4012 .
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.76 miles from Harpenden Common.
Location: northbound between the A4012 and the junction with the A4146 Bletchley South.
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.45 miles from Harpenden Common.
Location: northbound between junctions J1 (Slough) and J1A (Watford) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 17.83 miles from Harpenden Common.
Location: northbound at junction J1 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.69 miles from Harpenden Common.
Location: westbound between the junctions with the A437 and the M40 .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 17.59 miles from Harpenden Common.
Location: southbound between junctions J1A (Watford) and J1 (Slough) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 22:15 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.38 miles from Harpenden Common.
Location: southbound between junctions J5 (Harrow A41) and J1 (North Circular) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 16:00 from 16 March 2026 to 18 March 2026.
Nearest town: 9.92 miles from Harpenden Common.
Location: clockwise exit slip at junction J21 (M1) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.29 miles from Harpenden Common.
Location: clockwise between junctions J20 (Hemel Hstead) and J21A (Watword) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.93 miles from Harpenden Common.
Location: southbound between junctions J8 (Hemel Hstead) and J6 (Watford A405) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 4.95 miles from Harpenden Common.
Location: northbound between junctions J5 (Harrow A41) and J6A (St Albans) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 7.53 miles from Harpenden Common.
Location: southbound between junctions J6A (St Albans) and J6 (Watford A405) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 5.68 miles from Harpenden Common.
Location: clockwise at junction J20 (Hemel Hstead) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.33 miles from Harpenden Common.
Location: clockwise between junctions J19 (Watford) and J20 (Hemel Hstead) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 15 March 2026 to 05:30 on 16 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 9.18 miles from Harpenden Common.
Location: anticlockwise between junctions J25 (Enfield) and J24 (Potters Bar) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 14 March 2026 to 05:00 on 15 March 2026.
Schedule : From 22:30 on 15 March 2026 to 05:00 on 16 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 12.45 miles from Harpenden Common.
Location: northbound between the junctions with the A6001 Biggleswade South and the A6001 Biggleswade North.
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.16 miles from Harpenden Common.
Location: northbound at the junction with the A6001 Biggleswade South.
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.13 miles from Harpenden Common.
Location: northbound between the junctions with the A507 and the A6001 Biggleswade South .
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.82 miles from Harpenden Common.
Location: southbound between the junctions with the A6001 Biggleswade South and the A507 .
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.17 miles from Harpenden Common.
Location: southbound at the junction with the A6001 Biggleswade South.
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.18 miles from Harpenden Common.
Location: southbound between the junctions with the A6001 Biggleswade North and the A6001 Biggleswade South.
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.9 miles from Harpenden Common.
Location: northbound between the junctions with the A507 and the A6001 Biggleswade South .
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2026 to 05:00 on 18 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.09 miles from Harpenden Common.
Location: southbound between the junctions with the A6001 Biggleswade South and the A507 .
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2026 to 05:00 on 18 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.97 miles from Harpenden Common.
Location: The A1M southbound at junction J10 .
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2026 to 05:00 on 18 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.09 miles from Harpenden Common.
Location: The A1M northbound at junction J10 .
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2026 to 05:00 on 18 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.89 miles from Harpenden Common.
Location: northbound between junctions J11A and J14 (Milton Keynes) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2026 to 05:00 on 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.13 miles from Harpenden Common.
Location: northbound between junctions J9 (Dunstable A5) and J11A .
Lane Closures : Lanes 1, 2, 3, 4 and 5 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 2.57 miles from Harpenden Common.
Location: westbound exit slip to the A412 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 16 March 2026 to 05:30 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.67 miles from Harpenden Common.
Location: southbound exit slip at junction J12 (Flitwick) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.91 miles from Harpenden Common.
Location: southbound exit slip at junction J13 (Milton Keynes) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.81 miles from Harpenden Common.
Location: southbound entry slip at junction J12 (Flitwick) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.56 miles from Harpenden Common.
Location: northbound between junctions J8 (Hemel Hstead) and J9 (Dunstable A5) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 2.19 miles from Harpenden Common.
Location: northbound entry slip at junction J9 (Dunstable A5) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 2.65 miles from Harpenden Common.
Location: northbound entry slip at junction J11 (Luton) .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.71 miles from Harpenden Common.
Location: northbound exit slip at junction J10 (Luton Airport) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 4.12 miles from Harpenden Common.
Location: northbound exit slip at junction J11 (Luton) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.54 miles from Harpenden Common.
Location: northbound between junctions J11 (Luton) and J11A .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2026 to 05:00 on 20 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 8.63 miles from Harpenden Common.
Location: southbound between the junctions with the A5183 and the M1 .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 19 March 2026 to 05:00 on 20 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.02 miles from Harpenden Common.
Location: northbound exit slip at junction J11A .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 18 March 2026 to 05:00 on 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.51 miles from Harpenden Common.
Location: southbound exit slip at junction J11A .
Lane Closures : Lane one will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.12 miles from Harpenden Common.
Location: southbound between junctions J12 (Flitwick) and J11A .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 21 March 2026 to 05:00 on 22 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 10.78 miles from Harpenden Common.
Location: southbound entry slip at Toddington Services.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.51 miles from Harpenden Common.
Location: southbound exit slip at Toddington Services.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.7 miles from Harpenden Common.
Location: southbound entry slip at junction J13 (Milton Keynes) .
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 20 March 2026 to 05:00 on 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.49 miles from Harpenden Common.
Location: The A1M southbound at junction J9 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2026 to 05:00 on 18 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13.01 miles from Harpenden Common.
Location: The A1M southbound between junctions J9 and J8 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2026 to 05:00 on 18 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 12.5 miles from Harpenden Common.
Location: The A1M southbound at junction J8 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2026 to 05:00 on 18 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.83 miles from Harpenden Common.
Location: The A1M northbound exit slip at junction J9 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.59 miles from Harpenden Common.
Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 13 March 2026 to 05:00 on 14 March 2026.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 March 2026 to 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.78 miles from Harpenden Common.
Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 March 2026 to 20 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 5.69 miles from Harpenden Common.
Location: anticlockwise exit slip at junction J21 (M1) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 March 2026 to 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.15 miles from Harpenden Common.
Location: northbound entry slip at junction J6A (St Albans) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 March 2026 to 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6 miles from Harpenden Common.
Location: northbound at junction J6 (Watford A405) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 16 March 2026 to 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.82 miles from Harpenden Common.
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