Location: eastbound exit slip at junction J12 (Cosham) .
Due to: Roadworks.
Period : from 20:30 on 4 July 2025 to 05:00 on 5 July 2025.
Lanes Closed : All lanes are closed.
Nearest town: 10.17 miles from St Helens.

Location: westbound at junction J12 (Cosham) .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 7 July 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 9.91 miles from St Helens.

Location: westbound at junction J12 (Cosham) .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 7 July 2025.
Lanes Closed : There is one of three lanes closed.
Nearest town: 9.93 miles from St Helens.

Location: westbound between the junctions with the A285 Chichester and the A259 Chichester East.
Lane Closures : Lane one is closed.
Due to: Horticultural works.
Period : expect disruption until 06:00 on 5 July 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 18.76 miles from St Helens.

Location: westbound between the junctions with the A259 Chichester East and the A286 .
Lane Closures : Lane one is closed.
Due to: Horticultural works.
Period : expect disruption until 06:00 on 5 July 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 18.53 miles from St Helens.

Location: eastbound between the junctions with the A286 and the A259 Chichester East.
Lane Closures : Lane one is closed.
Due to: Horticultural works.
Period : expect disruption until 06:00 on 5 July 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 17.92 miles from St Helens.

Location: eastbound at the junction with the A259 Chichester East.
Lane Closures : Lane one is closed.
Due to: Horticultural works.
Period : expect disruption until 06:00 on 5 July 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 18.53 miles from St Helens.

Location: westbound between the junctions with the A259 Chichester East and the A286 .
Lane Closures : Lane one is closed.
Due to: Horticultural works.
Period : expect disruption until 06:00 on 5 July 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 17.9 miles from St Helens.

Location: westbound at junction J12 (Cosham) .
Due to: Roadworks scheme.
Period : from 21:00 on 3 July 2025 to 06:00 on 11 August 2025.
Nearest town: 9.93 miles from St Helens.

Location: eastbound at junction J12 (Cosham) .
Due to: Roadworks scheme.
Period : from 20:00 on 22 June 2025 to 06:00 on 11 August 2025.
Nearest town: 10 miles from St Helens.

Location: westbound between junctions J9 (Fareham) and J8 (Southampton) .
Due to: Roadworks scheme.
Period : from 20:00 on 29 June 2025 to 06:00 on 7 July 2025.
Nearest town: 15.45 miles from St Helens.

Location: eastbound between junctions J9 (Fareham) and J11 (Fareham C) .
Lane Closures : Lane one is closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 30 April 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 12.52 miles from St Helens.

Location: eastbound at junction J11 (Fareham C) .
Lane Closures : Lane one is closed.
Due to: Road repairs.
Period : expect disruption until 06:00 on 30 April 2026.
Lanes Closed : There is one of three lanes closed.
Nearest town: 11.5 miles from St Helens.

Location: westbound at junction J12 (Cosham) .
Lane Closures : Lane one will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 13 August 2025 to 15 August 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 22 October 2025 to 24 October 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 10 December 2025 to 12 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 9.95 miles from St Helens.

Lane Closures : Lane four is closed.
Due to: Roadworks.
Period : expect disruption until 23:00 on 10 January 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 15.45 miles from St Helens.' data-nearesttown='WEST END'>
Location: westbound between junctions J9 (Fareham) and J5 (S'ton Airport) .
Lane Closures : Lane four is closed.
Due to: Roadworks.
Period : expect disruption until 23:00 on 10 January 2026.
Lanes Closed : There is one of four lanes closed.
Nearest town: 15.45 miles from St Helens.

Location: westbound between junctions J9 (Fareham) and J4 (M3) .
Due to: Roadworks scheme.
Period : from 06:00 on 4 May 2025 to 23:00 on 6 March 2026.
Nearest town: 15.45 miles from St Helens.

Location: westbound between the A285 Chichester and the junction with the A259 Chichester East.
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 11 July 2025 to 05:00 on 12 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.95 miles from St Helens.

Location: westbound between the junctions with the A285 Halnaker and the A285 Chichester.
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 21:00 on 11 July 2025 to 05:00 on 12 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.87 miles from St Helens.

Location: westbound exit slip at junction J9 (Fareham) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 10 July 2025 to 06:00 on 11 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.65 miles from St Helens.

Location: westbound at junction J12 (Cosham) .
Lane Closures : Lane three will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 10 July 2025 to 06:00 on 14 July 2025.
Schedule : From 20:00 on 17 July 2025 to 06:00 on 21 July 2025.
Schedule : From 20:00 on 24 July 2025 to 06:00 on 28 July 2025.
Schedule : From 20:00 on 31 July 2025 to 06:00 on 4 August 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 9.93 miles from St Helens.

Location: eastbound at junction J12 (Cosham) .
Lane Closures : Lane three is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 17 July 2025.
Lanes Closed : There is one of three lanes closed.
Nearest town: 9.94 miles from St Helens.

Location: westbound between the junctions with the A286 and the A259 Chichester West.
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 10 July 2025 to 05:00 on 11 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.33 miles from St Helens.

Location: eastbound at the junction with the A259 Chichester West.
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 10 July 2025 to 05:00 on 11 July 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.02 miles from St Helens.

Location: westbound between the junctions with the A259 Chichester East and the A286 .
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 10 July 2025 to 05:00 on 11 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.77 miles from St Helens.

Location: eastbound at the junction with the A286 .
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 10 July 2025 to 05:00 on 11 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.37 miles from St Helens.

Location: westbound between the junctions with the A259 Chichester West and the A259 Havant.
Lane Closures : Lane two will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : From 20:00 on 10 July 2025 to 05:00 on 11 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.98 miles from St Helens.

Location: eastbound between the A285 Chichester and the junction with the A285 Halnaker.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 9 July 2025 to 06:00 on 10 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.34 miles from St Helens.

Location: eastbound entry slip from the A3M .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 9 July 2025 to 06:00 on 10 July 2025.
Schedule : From 21:00 on 10 July 2025 to 05:00 on 11 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 11.49 miles from St Helens.

Location: westbound between the A259 Havant and the junction with the A2030 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 9 July 2025 to 11 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 12.49 miles from St Helens.

Location: eastbound between the A2030 and the junction with the A259 Havant.
Lane Closures : Lanes 1, 2, 3 and 4 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 9 July 2025 to 06:00 on 10 July 2025.
Schedule : From 21:00 on 10 July 2025 to 05:00 on 11 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 11.16 miles from St Helens.

Location: eastbound exit slip to the A3023 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 9 July 2025 to 06:00 on 10 July 2025.
Schedule : From 21:00 on 10 July 2025 to 05:00 on 11 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 11.97 miles from St Helens.

Location: westbound entry slip from the A3023 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 9 July 2025 to 11 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 12.03 miles from St Helens.

Location: westbound exit slip to the A3023 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 05:00 from 9 July 2025 to 11 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.11 miles from St Helens.

Location: westbound exit slip to the A3M .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 9 July 2025 to 11 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 11.68 miles from St Helens.

Location: northbound between the junctions with the A3M and the A272 Petersfield South .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 7 July 2025 to 06:00 on 8 July 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.88 miles from St Helens.

Location: northbound exit slip at junction .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 7 July 2025 to 12 July 2025.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 14 July 2025 to 17 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 9.85 miles from St Helens.

Location: eastbound exit slip at junction J12 (Cosham) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 7 July 2025 to 12 July 2025.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 14 July 2025 to 17 July 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 10.22 miles from St Helens.

Location: westbound between junctions J9 (Fareham) and J8 (Southampton) .
Lane Closures : Lanes 2, 3 and 4 are closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 6 July 2025.
Lanes Closed : There are three of four lanes closed.
Nearest town: 15.45 miles from St Helens.

Location: westbound exit slip to the A2030 .
Lane Closures : Lane one will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 15 August 2025 to 06:00 on 16 August 2025.
Schedule : From 20:00 on 18 August 2025 to 06:00 on 19 August 2025.
Schedule : From 20:00 on 24 October 2025 to 06:00 on 25 October 2025.
Schedule : From 20:00 on 27 October 2025 to 06:00 on 28 October 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.3 miles from St Helens.

Location: eastbound between junctions J11 (Fareham C) and J12 (Cosham) .
Lane Closures : Lane one will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 13 August 2025 to 15 August 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 22 October 2025 to 24 October 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 10 December 2025 to 12 December 2025.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 10.4 miles from St Helens.

Location: eastbound at junction J12 (Cosham) .
Lane Closures : Lane one will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 13 August 2025 to 15 August 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 22 October 2025 to 24 October 2025.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 10 December 2025 to 12 December 2025.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 10.22 miles from St Helens.

Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 28 January 2026 to 23:00 on 6 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 15.45 miles from St Helens.' data-nearesttown='WEST END'>
Location: westbound between junctions J9 (Fareham) and J5 (S'ton Airport) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 23:00 on 28 January 2026 to 23:00 on 6 March 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 15.45 miles from St Helens.
