Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Lane Closures : Lanes 2 and 3 are closed.
Due to: Broken down vehicle.
Time To Clear : The event is expected to clear between 08:45 and 09:00 on 17 March 2026.
Normal traffic conditions are expected between 08:45 and 09:00 on 17 March 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 1.44m from Chalfont Saint Peter.
Location: The junction of the A414 and the A1M .
Due to: Congestion.
Normal traffic conditions are expected between 09:00 and 09:15 on 17 March 2026.
Nearest town: 1.76m from Welwyn Garden City.
Location: anticlockwise exit slip at junction J20 (Hemel Hstead) .
Due to: Congestion.
Normal traffic conditions are expected between 09:00 and 09:15 on 17 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 3m from Watford.
Location: The A1M southbound between junctions J9 and J8 .
Due to: Congestion.
Normal traffic conditions are expected between 08:45 and 09:00 on 17 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 1.46m from Letchworth.
Location: westbound between the junctions with the M1 and the A4147 .
Due to: Congestion.
Normal traffic conditions are expected between 08:30 and 08:45 on 17 March 2026.
Nearest town: 1.97m from Hemel Hempstead.
Location: northbound at the junction with the M1 .
Due to: Congestion.
Normal traffic conditions are expected between 08:15 and 08:30 on 17 March 2026.
Nearest town: 2.76m from Watford.
Location: anticlockwise at junction J17 (Maple Cross) .
Due to: Congestion.
Normal traffic conditions are expected between 08:30 and 08:45 on 17 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 1.88m from Rickmansworth.
Location: clockwise exit slip at junction J22 (St Albans) .
Due to: Congestion.
Normal traffic conditions are expected between 09:00 and 09:15 on 17 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 3.25m from Saint Albans.
Location: southbound at the junction with the A5135 .
Due to: Congestion.
Normal traffic conditions are expected between 07:45 and 08:00 on 17 March 2026.
Nearest town: 0.84m from Borehamwood.
Location: anticlockwise entry slip at junction J19 (Watford) .
Due to: Congestion.
Normal traffic conditions are expected between 07:30 and 07:45 on 17 March 2026.
Delay : There are currently delays of 10 minutes against expected traffic.
Nearest town: 1.75m from Watford.
Location: northbound between junctions J6 (Watford A405) and J8 (Hemel Hstead) .
Due to: Roadworks.
Period : from 21:57 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 2.96m from Watford.
Location: southbound between the junctions with the M25 and the A5135 .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 17 March 2026 to 05:30 on 18 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 2.63m from Barnet.
Location: The A1M southbound at junction J1 .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 17 March 2026 to 05:30 on 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 2.59m from Potters Bar.
Location: The A1M southbound between junctions J3 and J1 .
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 23:00 on 17 March 2026 to 05:30 on 18 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 2.74m from Potters Bar.
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 23:00 on 17 March 2026 to 05:30 on 18 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 2.41m from Potters Bar.
Location: The A1M northbound at junction J9 .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 05:00 on 17 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 0.62m from Letchworth.
Location: The A1M northbound between junctions J8 and J9 .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 05:00 on 17 March 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 1.37m from Stevenage.
Location: The A1M northbound between junctions J8 and J9 .
Due to: Roadworks scheme.
Period : from 21:01 on 16 March 2026 to 05:00 on 17 March 2026.
Nearest town: 1.37m from Stevenage.
Location: anticlockwise between junctions J23 (Hatfield) and J22 (St Albans) .
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 : All lanes will be closed.
Nearest town: 2.77m from Potters Bar.
Location: anticlockwise 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 17 March 2026 to 05:30 on 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 2.41m from Potters Bar.
Location: clockwise between junctions J24 (Potters Bar) and J25 (Enfield) .
Lane Closures : Lanes 1, 2 and 3 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 17 March 2026.
Lanes Closed : There are three of four lanes closed.
Nearest town: 1.7m from Enfield.
Location: The A1M northbound between junctions J6 and J7 .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 05:00 on 17 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 3.56m from Stevenage.
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: 2.81m from Watford.
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: 3.98m from Welwyn Garden City.
Location: The A1M northbound between junctions J6 and J7 .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 05:00 on 17 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 3.56m from Stevenage.
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: 2.12m from Chalfont Saint Giles.
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: 1.93m from Rickmansworth.
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: 2.68m from Hemel Hempstead.
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: 3.81m from Luton.
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: 4.12m from Luton.
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 17 March 2026 to 19 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 1.42m from Watford.
Location: clockwise between junctions J16 (M40) and J17 (Maple Cross) .
Lane Closures : The hard shoulder, lanes 1 and 2 are closed.
Due to: Emergency barrier repairs.
Period : expect disruption until 05:30 on 17 March 2026.
Lanes Closed : There are two of four lanes closed.
Nearest town: 0.83m from Chalfont Saint Peter.
Location: northbound between the junctions with the A507 and the A6001 Biggleswade South .
Lane Closures : Lane two is closed.
Due to: Horticultural works.
Period : expect disruption until 05:00 on 17 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 1.69m from Biggleswade.
Location: southbound between the junctions with the A6001 Biggleswade South and the A507 .
Lane Closures : Lane two is closed.
Due to: Horticultural works.
Period : expect disruption until 05:00 on 17 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 1.3m from Biggleswade.
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: 3.46m from Letchworth.
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: 4.08m from Biggleswade.
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: 3.45m from Letchworth.
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: 3.21m from Letchworth.
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: 0.64m from Letchworth.
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: 0.67m from Letchworth.
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: 1.12m from Stevenage.
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: 2.35m from Welwyn Garden City.
Location: The A1M northbound exit slip at junction J9 .
Due to: Roadworks.
Period : expect disruption until 05:00 on 17 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 0.62m from Letchworth.
Location: The A1M southbound between junctions J9 and J8 .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2026 to 05:00 on 18 March 2026.
Nearest town: 0.64m from Letchworth.
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: 0.65m from Stevenage.
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: 0.48m from Stevenage.
Location: clockwise between junctions J24 (Potters Bar) and J25 (Enfield) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 22:00 and 05:00 from 23 March 2026 to 27 March 2026.
Schedule : From 23:00 on 27 March 2026 to 06:00 on 28 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 2.29m from Potters Bar.
Location: northbound entry slip at junction J5 (Harrow A41) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
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.
Schedule : From 23:00 on 27 March 2026 to 06:00 on 28 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 1.32m from Watford.
Location: northbound between junctions J5 (Harrow A41) and J6 (Watford A405) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
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.
Schedule : From 23:00 on 27 March 2026 to 06:00 on 28 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 1.41m from Watford.
Location: anticlockwise between junctions J25 (Enfield) and J24 (Potters Bar) .
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 23 March 2026 to 27 March 2026.
Schedule : From 23:00 on 27 March 2026 to 06:00 on 28 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 1.12m from Enfield.
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 23 March 2026 to 05:30 on 24 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 2.96m from Saint Albans.
Location: The A1M southbound between junctions J7 and J6 .
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 23 March 2026 to 05:00 on 24 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 2.84m from Welwyn Garden City.
Location: southbound between junctions J10 (Luton Airport) and J9 (Dunstable A5) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 23 March 2026 to 27 March 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 30 March 2026 to 1 April 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 3.54m from Luton.
Location: The A1M northbound at junction J6 .
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 23 March 2026 to 05:00 on 24 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 2.36m from Welwyn Garden City.
Location: The A1M southbound between junctions J7 and J6 .
Lane Closures : Lane two will be closed.
Due to: Emergency barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 23 March 2026 to 05:00 on 24 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 2.55m from Welwyn Garden City.
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 : Expect disruption everyday between 20:00 and 06:00 from 26 March 2026 to 28 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 30 March 2026 to 4 April 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 6 April 2026 to 11 April 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 13 April 2026 to 18 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 1.33m from Saint Albans.
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 : Expect disruption everyday between 20:00 and 06:00 from 26 March 2026 to 28 March 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 30 March 2026 to 4 April 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 6 April 2026 to 11 April 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 13 April 2026 to 18 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 1.3m from Saint Albans.
Location: The A1M northbound exit slip at junction J3 .
Due to: Road marking works are planned.
Status : Pending.
Schedule : From 22:30 on 22 March 2026 to 05:30 on 23 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 3.81m from Saint Albans.
Location: southbound between junctions J6A (St Albans) and J5 (Harrow A41) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 22 March 2026 to 05:30 on 23 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 3.3m from Watford.
Location: southbound entry slip at junction J6 (Watford A405) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 22 March 2026 to 05:30 on 23 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 2.83m from Watford.
Location: southbound exit slip at junction J6 (Watford A405) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 22 March 2026 to 05:30 on 23 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 2.78m from Watford.
Location: The A1M northbound entry slip at junction J3 .
Due to: Road marking works are planned.
Status : Pending.
Schedule : From 22:30 on 22 March 2026 to 05:30 on 23 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 3.74m from Saint Albans.
Location: anticlockwise between junctions J17 (Maple Cross) and J16 (M40) .
Lane Closures : Lanes 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 21 March 2026 to 05:30 on 22 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 1.47m from Chalfont Saint Peter.
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 21 March 2026 to 05:30 on 22 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 3.96m from Borehamwood.
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: 2.78m from Saint Albans.
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: 1.2m from Welwyn Garden City.
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: 3.39m from Welwyn Garden City.
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: 1.96m from Welwyn Garden City.
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: 1.77m from Welwyn Garden City.
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: 1.65m from Welwyn Garden City.
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: 2.65m from Hemel Hempstead.
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: 2.97m from Saint Albans.
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: 2.02m from Chalfont Saint Giles.
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: 2.04m from Rickmansworth.
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 17 March 2026 to 21 March 2026.
Lanes Closed : There will be two of four lanes closed.
Nearest town: 4.48m from Luton.
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: 4.21m from Luton.
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: 0.24m from Elstree.
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: 1.33m from Chalfont Saint Peter.
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: 3.98m from Welwyn Garden City.
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 17 March 2026 to 19 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 1.66m from Watford.
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 17 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: 1.16m from Enfield.
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 17 March 2026 to 21 March 2026.
Nearest town: 1.15m from Stevenage.
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 17 March 2026 to 21 March 2026.
Nearest town: 1.72m from Stevenage.
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 17 March 2026 to 18 March 2026.
Nearest town: 2.25m from Watford.
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: 4.08m from Hemel Hempstead.
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: 4.36m from Luton.
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 : Expect disruption everyday between 22:00 and 05:00 from 17 March 2026 to 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 2.87m from Watford.
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 17 March 2026 to 20 March 2026.
Lanes Closed : There will be three of four lanes closed.
Nearest town: 2.99m from Saint Albans.
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 17 March 2026 to 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 2.93m from Saint Albans.
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: 3.16m from Saint Albans.
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 17 March 2026 to 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 2.84m from Watford.
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