Location: slip road to the M40 northbound from M25 north.
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Vehicle fire.
Time To Clear : The event is expected to clear between 00:15 and 00:30 on 16 June 2026.
Normal traffic conditions are expected between 00:15 and 00:30 on 16 June 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 8.01 miles from Watford.
Location: anticlockwise at junction J18 (Rickmansworth) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Road traffic collision.
Time To Clear : The event is expected to clear between 22:45 and 23:00 on 15 June 2026.
Normal traffic conditions are expected between 22:45 and 23:00 on 15 June 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 4.2 miles from Watford.
Swakeleys Roundabout - There is a broken down car on the eastbound on slip road to the A40.
All lanes are open.
Nearest town: 6.34 miles from Watford.
Cross Deep (All Directions) junction with Grotto Road.
All closures have been removed - Traffic flows have returned to normal in the area
Nearest town: 13.92 miles from Watford.
Dover House Road (Both Directions) at the junction of Upper Richmond Road - There will be stop / go boards in operation due to works in the area.
Works have now finished.
Nearest town: 13.97 miles from Watford.
Western Avenue (Eastbound) near the junction with Alperton Lane - Collision - Lane one reopened.
Traffic is flowing well for the time of day.
Nearest town: 8.42 miles from Watford.
Horn Lane (All Directions) at the junction of Rectory Road - Three-way temporary signals in operation to facilitate works by BT.
Traffic is flowing well in the area.
Nearest town: 10.58 miles from Watford.
Lampton Road (Both Directions) at the junction of Alexandra Road - Temporary Traffic Signals to facilitate junction improvements works Traffic is flowing well.
Nearest town: 11.61 miles from Watford.
All lanes reopened.
Traffic is moving well.
Nearest town: 9.86 miles from Watford.
Talgarth Road (Westbound) between Gliddon Road North End Road - Lane one is blocked following a collision.
Traffic is slow moving on approach, expect delays.
Nearest town: 13.11 miles from Watford.
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: 8.22 miles from Watford.
The Parkway (Northbound) at the junction of North Hyde Road - Road is now fully open.
Traffic is moving well.
Nearest town: 9.81 miles from Watford.
Watling Avenue (All Directions) at the junction of Orange Hill Road .
Traffic signals have been restored.
Traffic signals have been restored.
Nearest town: 6.43 miles from Watford.
Forty Avenue (All Directions) at the junction of Preston Road.
Lane restrictions in place due to a collision.
The road has reopened.
Nearest town: 7.08 miles from Watford.
Western Avenue (Eastbound) near the junction of Victoria Road lane one blocked by a broken down van.
Vehicle has been recovered.
Traffis is flowing well.
Nearest town: 10.11 miles from Watford.
Kymberley Road (One Way System) between Headstone Road and College Road - Road closure to facilitate resurfacing works
Nearest town: 4.91 miles from Watford.
Hammersmith Flyover - lane 2 will be closed in both directions overnight for inspection works.
Nearest town: 12.83 miles from Watford.
High Street Harlesden (All Directions) at the junction of Wendover Road - Faulty traffic signals The traffic signals have been repaired.
Nearest town: 9.74 miles from Watford.
Gunnersbury Avenue (North Circular Road) (Southbound) at the junction of Power Road - Collision vehicles have now been cleared.
Traffic flowing well in the area.
Nearest town: 11.33 miles from Watford.
Heston Road (All Directions) at the junction of Wheatlands - Temporary signals in operation to facilitate resurfacing works.
Expect some delays while the restrictions are in place.
Nearest town: 10.61 miles from Watford.
Location: clockwise between junctions J15 (Slough) and J16 (M40) .
Due to: Congestion.
Normal traffic conditions are expected between 22:15 and 22:30 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 8.64 miles from Watford.
Location: The junction of the A414 and the A1M .
Due to: Congestion.
Normal traffic conditions are expected between 21:00 and 21:15 on 15 June 2026.
Nearest town: 12.23 miles from Watford.
Location: The junction of the A414 and the A1M .
Due to: Congestion.
Normal traffic conditions are expected between 20:00 and 20:15 on 15 June 2026.
Nearest town: 12.23 miles from Watford.
Location: anticlockwise between junctions J20 (Hemel Hstead) and J18 (Rickmansworth) .
Due to: Congestion.
Normal traffic conditions are expected between 20:45 and 21:00 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 4.03 miles from Watford.
Location: clockwise at junction J23 (Hatfield) .
Due to: Congestion.
Normal traffic conditions are expected between 19:15 and 19:30 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 8 miles from Watford.
Location: clockwise at junction J14 (Heathrow Airport) .
Due to: Congestion.
Normal traffic conditions are expected between 18:00 and 18:15 on 15 June 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 12.68 miles from Watford.
Location: eastbound at junction J4 .
Due to: Roadworks.
Period : from 22:05 on 15 June 2026 to 05:30 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 10.24 miles from Watford.
Location: eastbound between junctions J4B (Heathrow) and J3 (Heathrow) .
Due to: Roadworks.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 10.28 miles from Watford.
Location: anticlockwise entry slip at junction J13 (A30) .
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 14.89 miles from Watford.
Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 5.78 miles from Watford.
Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 5.78 miles from Watford.
Location: clockwise exit slip at junction J21 (M1) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 5.2 miles from Watford.
Location: anticlockwise exit slip at junction J21 (M1) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 5.34 miles from Watford.
Location: clockwise at junction J21A (Watword) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 5.2 miles from Watford.
Location: clockwise between junctions J20 (Hemel Hstead) and J21 (M1) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 5.14 miles from Watford.
Location: northbound between junctions J6 (Watford A405) and J6A (St Albans) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 5.5 miles from Watford.
Location: northbound entry slip at junction J6A (St Albans) .
Lane Closures : The hard shoulder and lane 1 are closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 5.46 miles from Watford.
Location: northbound between junctions J6 (Watford A405) and J6A (St Albans) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 5.52 miles from Watford.
Location: southbound between junctions J10 (Luton Airport) and J9 (Dunstable A5) .
Due to: Roadworks scheme.
Period : from 22:00 on 4 June 2026 to 05:00 on 26 June 2026.
Nearest town: 13.08 miles from Watford.
Location: westbound between junctions J5 (Colnbrook) and J6 (Slough) .
Lane Closures : Lanes 1 and 2 are closed.
Due to: Litter Clearance.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 12.74 miles from Watford.
Location: The A1M northbound between junctions J4 and J6 .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 12.99 miles from Watford.
Location: The A1M southbound between junctions J6 and J4 .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 14.02 miles from Watford.
Location: The A1M northbound entry slip at junction J5 .
Lane Closures : Lane one is closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 13.11 miles from Watford.
Location: anticlockwise at junction J13 (A30) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 14.6 miles from Watford.
Location: clockwise between junctions J23 (Hatfield) and J24 (Potters Bar) .
Lane Closures : Lane four is closed.
Due to: Horticultural works.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 8.51 miles from Watford.
Location: clockwise between junctions J23 (Hatfield) and J24 (Potters Bar) .
Lane Closures : Lane four is closed.
Due to: Horticultural works.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 8.51 miles from Watford.
Location: clockwise exit slip at junction J23 (Hatfield) .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 7.89 miles from Watford.
Location: anticlockwise exit slip at junction J23 (Hatfield) .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 8.19 miles from Watford.
Location: westbound entry slip at junction J4B (Heathrow) from the M25 anti-clockwise.
Lane Closures : The hard shoulder is closed.
Due to: Roadside Drains Works.
Period : expect disruption until 05:30 on 25 July 2026.
Nearest town: 10.68 miles from Watford.
Location: clockwise between junctions J21A (Watword) and J22 (St Albans) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Roadworks.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 5.3 miles from Watford.
Location: eastbound between junctions J3 (Heathrow) and J2 (N.Circular) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 05:30 on 27 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.19 miles from Watford.
Location: eastbound entry slip at junction J3 (Heathrow) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 05:30 on 27 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.18 miles from Watford.
Location: southbound between the junctions with the M25 and the A5135 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 06:00 on 27 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 6.93 miles from Watford.
Location: eastbound entry slip at Heston Services.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 05:30 on 27 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.51 miles from Watford.
Location: eastbound exit slip at Heston Services.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 05:30 on 27 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.48 miles from Watford.
Location: eastbound exit slip at junction J2 (N.Circular) .
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 05:30 on 27 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 11.16 miles from Watford.
Location: clockwise entry slip at junction J22 (St Albans) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 22 June 2026 to 05:30 on 23 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.48 miles from Watford.
Location: westbound between the A315 and the junction with the A308 .
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 22 June 2026 to 05:30 on 23 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 14 miles from Watford.
Location: The A1M northbound entry slip at junction J4 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 06:00 on 27 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.21 miles from Watford.
Location: The A1M northbound between junctions J4 and J5 .
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 05:30 from 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 06:00 on 27 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.21 miles from Watford.
Location: eastbound at junction J4B (Heathrow) .
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 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 06:00 on 27 June 2026.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 29 June 2026 to 3 July 2026.
Schedule : From 23:00 on 3 July 2026 to 06:00 on 4 July 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 11.01 miles from Watford.
Location: eastbound between junctions J5 (Colnbrook) and J4B (Heathrow) .
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 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 06:00 on 27 June 2026.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 29 June 2026 to 3 July 2026.
Schedule : From 23:00 on 3 July 2026 to 06:00 on 4 July 2026.
Lanes Closed : There will be two of five lanes closed.
Nearest town: 11.39 miles from Watford.
Location: clockwise entry slip at junction J15 (Slough) from M4 eastbound.
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 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 06:00 on 27 June 2026.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 29 June 2026 to 3 July 2026.
Schedule : From 23:00 on 3 July 2026 to 06:00 on 4 July 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 10.85 miles from Watford.
Location: clockwise between junctions J14 (Heathrow Airport) and J15 (Slough) .
Lane Closures : Lane six will closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 22 June 2026 to 26 June 2026.
Schedule : From 23:00 on 26 June 2026 to 06:00 on 27 June 2026.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 29 June 2026 to 3 July 2026.
Schedule : From 23:00 on 3 July 2026 to 06:00 on 4 July 2026.
Lanes Closed : There will be one of six lanes closed.
Nearest town: 12.15 miles from Watford.
Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 22 June 2026 to 05:00 on 23 June 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 5.78 miles from Watford.
Location: clockwise between junctions J21A (Watword) 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 22 June 2026 to 05:30 on 23 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 6.32 miles from Watford.
Location: westbound between the junctions with the A405 and the M1 .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 22 June 2026 to 05:00 on 23 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 6.82 miles from Watford.
Location: anticlockwise entry slip at junction J14 (Heathrow Airport) from A3113.
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:00 on 17 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.81 miles from Watford.
Location: anticlockwise between junctions J14 (Heathrow Airport) and J13 (A30) .
Lane Closures : Lane one will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:00 on 17 June 2026.
Lanes Closed : There will be one of five lanes closed.
Nearest town: 13.3 miles from Watford.
Location: anticlockwise between junctions J14 (Heathrow Airport) and J13 (A30) .
Lane Closures : Lane one will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 17 June 2026 to 19 June 2026.
Lanes Closed : There will be one of five lanes closed.
Nearest town: 13.75 miles from Watford.
Location: clockwise between junctions J14 (Heathrow Airport) and J15 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : There will be two of six lanes closed.
Nearest town: 12.15 miles from Watford.
Location: clockwise at junction J14 (Heathrow Airport) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 13.19 miles from Watford.
Location: clockwise between junctions J13 (A30) and J14 (Heathrow Airport) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : There will be two of five lanes closed.
Nearest town: 13.75 miles from Watford.
Location: anticlockwise.
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.16 miles from Watford.
Location: clockwise entry slip at junction J14 (Heathrow Airport) from Heathrow T5.
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.28 miles from Watford.
Location: westbound between junctions J2 (N.Circular) and J3 (Heathrow) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 10.49 miles from Watford.
Location: The A1M northbound exit slip at junction J2 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 June 2026 to 19 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 9.66 miles from Watford.
Location: eastbound entry slip at junction J4 .
Lane Closures : Lane two will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 18 June 2026 to 05:00 on 19 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.19 miles from Watford.
Location: northbound exit slip at junction J1A (Watford) .
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 7.52 miles from Watford.
Location: northbound between junctions J1 (Slough) and J1A (Watford) .
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 6.66 miles from Watford.
Location: eastbound between the junctions with the M1 and the A405 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 01:00 on 7 July 2027 to 06:00 on 7 July 2027.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 6.89 miles from Watford.
Location: northbound at junction J8 (Hemel Hstead) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:00 on 17 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 7.77 miles from Watford.
Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:00 on 17 June 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 6.86 miles from Watford.
Location: northbound at junction J1A (Watford) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 08:00 and 17:00 from 22 June 2026 to 25 June 2026.
Nearest town: 7.75 miles from Watford.
Location: eastbound between the junctions with the M1 and the A405 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 18 June 2026 to 06:00 on 19 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 6.89 miles from Watford.
Location: clockwise entry slip at junction J16 (M40) .
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 7.84 miles from Watford.
Location: northbound between junctions J8 (Hemel Hstead) and J9 (Dunstable A5) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 1 July 2026 to 4 July 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 6 July 2026 to 9 July 2026.
Nearest town: 10.73 miles from Watford.
Location: westbound between the junctions with the A405 and the M1 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 01:00 on 7 July 2027 to 06:00 on 7 July 2027.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 6.82 miles from Watford.
Location: westbound between the junctions with the A405 and the M1 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 01:00 on 9 July 2027 to 06:00 on 9 July 2027.
Lanes Closed : All lanes will be closed.
Nearest town: 6.82 miles from Watford.
Location: westbound between the junctions with the A405 and the M1 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 18 June 2026 to 06:00 on 19 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 6.82 miles from Watford.
Location: northbound between junctions J1A (Watford) and J2 (Beaconsfield) .
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 19:00 on 21 June 2026 to 23:59 on 26 June 2026.
Nearest town: 8.53 miles from Watford.
Location: clockwise entry slip at junction J21 (M1) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Schedule : From 22:00 on 18 June 2026 to 05:30 on 19 June 2026.
Schedule : From 23:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.51 miles from Watford.
Location: clockwise at junction J21A (Watword) .
Lane Closures : Lane three will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Schedule : From 22:00 on 18 June 2026 to 05:30 on 19 June 2026.
Schedule : From 23:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 5.2 miles from Watford.
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 22:00 on 17 June 2026 to 05:30 on 18 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.2 miles from Watford.
Location: clockwise at junction J21A (Watword) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 June 2026 to 05:30 on 18 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 5.2 miles from Watford.
Location: clockwise between junctions J20 (Hemel Hstead) and J21 (M1) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 June 2026 to 05:30 on 18 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 5.14 miles from Watford.
Location: clockwise at junction J21A (Watword) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 5.29 miles from Watford.
Location: northbound between junctions J1 (North Circular) and J5 (Harrow A41) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 16:00 from 20 June 2026 to 26 June 2026.
Nearest town: 2.57 miles from Watford.
Location: southbound between junctions J10 (Luton Airport) and J9 (Dunstable A5) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 22 June 2026 to 26 June 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 13.08 miles from Watford.
Location: northbound entry slip at junction J9 (Dunstable A5) .
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 1 July 2026 to 4 July 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 6 July 2026 to 9 July 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.48 miles from Watford.
Location: northbound between junctions J8 (Hemel Hstead) and J9 (Dunstable A5) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 1 July 2026 to 4 July 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 6 July 2026 to 9 July 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 11.74 miles from Watford.
Location: clockwise entry slip at junction J21A (Watword) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Schedule : From 22:00 on 18 June 2026 to 05:30 on 19 June 2026.
Schedule : From 23:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.35 miles from Watford.
Location: anticlockwise between junctions J22 (St Albans) and J21A (Watword) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 17 June 2026 to 05:30 on 18 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 5.65 miles from Watford.
Location: eastbound at junction J5 (Colnbrook) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 18 June 2026 to 06:00 on 19 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.17 miles from Watford.
Location: anticlockwise between junctions J22 (St Albans) and J21A (Watword) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 18 June 2026 to 05:30 on 19 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 5.65 miles from Watford.
Location: southbound between junctions J6A (St Albans) and J6 (Watford A405) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 16:00 from 22 June 2026 to 26 June 2026.
Nearest town: 5.51 miles from Watford.
Location: eastbound at junction J5 (Colnbrook) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 12.17 miles from Watford.
Location: eastbound between junctions J6 (Slough) and J5 (Colnbrook) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 12.74 miles from Watford.
Location: westbound between the junctions with the A437 and the M40 .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : There are two of three lanes closed.
Nearest town: 6.44 miles from Watford.
Location: clockwise exit slip at junction J21A (Watword) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 June 2026 to 05:30 on 18 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.36 miles from Watford.
Location: northbound between junctions J8 (Hemel Hstead) and J10 (Luton Airport) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 1 July 2026 to 05:00 on 11 July 2026.
Nearest town: 10.73 miles from Watford.
Location: northbound between junctions J8 (Hemel Hstead) and J10 (Luton Airport) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 1 July 2026 to 4 July 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 6 July 2026 to 9 July 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.13 miles from Watford.
Location: westbound exit slip to the A412 .
Lane Closures : Lane one is closed.
Due to: Planned Roadworks.
Period : expect disruption until 05:30 on 16 June 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 6.75 miles from Watford.
Location: northbound entry slip at junction J1 (Slough) .
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 6.9 miles from Watford.
Location: clockwise between junctions J16 (M40) and J17 (Maple Cross) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 June 2026 to 05:30 on 18 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 6.9 miles from Watford.
Location: anticlockwise entry slip at junction J16 (M40) From M40 North.
Due to: Roadside Equipment Maintenance.
Period : expect disruption until 06:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 7.84 miles from Watford.
Location: eastbound exit slip at junction J5 (Colnbrook) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 18 June 2026 to 06:00 on 19 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.17 miles from Watford.
Location: southbound exit slip at junction J9 (Dunstable A5) .
Due to: Roadworks.
Period : expect disruption until 05:00 on 16 June 2026.
Lanes Closed : All lanes are closed.
Nearest town: 12.71 miles from Watford.
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 20:00 on 24 June 2026 to 06:00 on 25 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.49 miles from Watford.
Location: anticlockwise between junctions J20 (Hemel Hstead) 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 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 4.36 miles from Watford.
Location: anticlockwise entry slip at junction J18 (Rickmansworth) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 4.18 miles from Watford.
Location: southbound entry slip from the M25 .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 17 June 2026 to 05:30 on 18 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.91 miles from Watford.
Location: The A1M northbound between junctions J1 and J3 .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 June 2026 to 19 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 9.58 miles from Watford.
Location: anticlockwise at junction J13 (A30) .
Lane Closures : Lane one will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 17 June 2026 to 19 June 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 14.39 miles from Watford.
Location: northbound between junctions J4A and J4 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 17 June 2026 to 05:30 on 18 June 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 11.01 miles from Watford.
Location: northbound between junctions J4A and J4 .
Lane Closures : Lane one will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 10.78 miles from Watford.
Location: southbound between junctions J4 (Edgware A41) and J1 (North Circular) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 09:30 and 16:00 from 22 June 2026 to 26 June 2026.
Schedule : Expect disruption everyday between 09:30 and 16:00 from 29 June 2026 to 3 July 2026.
Nearest town: 5.04 miles from Watford.
Location: anticlockwise exit slip at junction J22 (St Albans) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 20 June 2026 to 06:00 on 21 June 2026.
Schedule : From 22:30 on 21 June 2026 to 05:30 on 22 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.57 miles from Watford.
Location: clockwise between junctions J23 (Hatfield) and J24 (Potters Bar) .
Lane Closures : Lane four will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 16 June 2026 to 18 June 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 8.51 miles from Watford.
Location: anticlockwise exit slip at junction J23 (Hatfield) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 8.19 miles from Watford.
Location: The A1M southbound exit slip at junction J1 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.22 miles from Watford.
Location: anticlockwise between junctions J16 (M40) and J15 (Slough) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 21 June 2026 to 05:30 on 22 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 9.19 miles from Watford.
Location: eastbound between junctions J5 (Colnbrook) and J4B (Heathrow) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : There will be two of five lanes closed.
Nearest town: 11.63 miles from Watford.
Location: anticlockwise exit slip at junction J23 (Hatfield) .
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 20 June 2026 to 06:00 on 21 June 2026.
Schedule : From 22:30 on 21 June 2026 to 05:30 on 22 June 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 8.19 miles from Watford.
Location: anticlockwise exit slip at junction J13 (A30) .
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:30 from 17 June 2026 to 19 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.39 miles from Watford.
Location: clockwise between junctions J21A (Watword) and J22 (St Albans) .
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 22:00 on 16 June 2026 to 05:30 on 17 June 2026.
Schedule : From 22:00 on 18 June 2026 to 05:30 on 19 June 2026.
Schedule : From 23:00 on 19 June 2026 to 06:00 on 20 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.3 miles from Watford.
Location: clockwise between junctions J21A (Watword) and J22 (St Albans) .
Lane Closures : Lanes 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 16 June 2026 to 05:30 on 17 June 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 5.3 miles from Watford.
Location: anticlockwise between junctions J23 (Hatfield) and J22 (St Albans) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 20 June 2026 to 06:00 on 21 June 2026.
Schedule : From 22:30 on 21 June 2026 to 05:30 on 22 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 8.19 miles from Watford.
Location: anticlockwise entry slip at junction J23 (Hatfield) .
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 22:00 on 20 June 2026 to 06:00 on 21 June 2026.
Schedule : From 22:30 on 21 June 2026 to 05:30 on 22 June 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 7.91 miles from Watford.
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