Location: westbound at the junction with the A3023 .
Due to: Roadworks.
Period : from 20:56 on 13 March 2026 to 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 16.56 miles from Arreton.

Location: eastbound entry slip at junction J10 (Alton) .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 22:00 on 27 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 13.89 miles from Arreton.

Location: eastbound between the A3M and the junction with the A259 Havant.
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 16.26 miles from Arreton.

Location: westbound between the A259 Havant and the junction with the A3M .
Due to: Roadworks.
Period : expect disruption until 06:00 on 14 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 16.64 miles from Arreton.

Location: The A3M northbound entry slip at junction J3 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 20 February 2026 to 06:00 on 21 February 2026.
Schedule : From 21:00 on 30 March 2026 to 06:00 on 31 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.25 miles from Arreton.

Location: eastbound between the junctions with the M27 and the A2030 .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 15 April 2026 to 17 April 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 17 June 2026 to 19 June 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 12 August 2026 to 14 August 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 14 October 2026 to 16 October 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.75 miles from Arreton.

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 21:00 and 05:00 from 15 April 2026 to 17 April 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 17 June 2026 to 19 June 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 12 August 2026 to 14 August 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 14 October 2026 to 16 October 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 13.46 miles from Arreton.

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: 13.59 miles from Arreton.

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: 13.55 miles from Arreton.

Location: westbound exit slip to the A259 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 05:00 from 20 March 2026 to 23 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.3 miles from Arreton.

Location: eastbound between the junctions with the A259 Havant and the A259 Chichester West.
Lane Closures : Lane one will be closed.
Due to: Horticultural works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 17 March 2026 to 20 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.9 miles from Arreton.

Location: The A3M northbound entry slip at junction J2 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 19 March 2026 to 06:00 on 20 March 2026.
Schedule : From 21:00 on 1 April 2026 to 06:00 on 2 April 2026.
Schedule : From 21:00 on 10 April 2026 to 06:00 on 11 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 19.32 miles from Arreton.

Location: The A3M northbound between junctions J2 and A3 .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 20:00 on 19 March 2026 to 06:00 on 20 March 2026.
Schedule : From 20:00 on 1 April 2026 to 06:00 on 2 April 2026.
Schedule : From 20:00 on 10 April 2026 to 06:00 on 11 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.36 miles from Arreton.

Location: eastbound entry slip at junction J7 (Hedge End) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 8 April 2026 to 10 April 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 14 April 2026 to 18 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.28 miles from Arreton.

Location: eastbound entry slip from the A2030 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:30 on 17 March 2026 to 06:00 on 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.17 miles from Arreton.

Location: eastbound exit slip to the A2030 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:30 on 17 March 2026 to 06:00 on 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.93 miles from Arreton.

Location: eastbound entry slip at junction J11 (Fareham C) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2026 to 06:00 on 18 March 2026.
Schedule : From 22:00 on 18 March 2026 to 06:00 on 19 March 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 19 March 2026 to 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.55 miles from Arreton.

Location: westbound between junctions J12 (Cosham) and J11 (Fareham C) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 13.39 miles from Arreton.

Location: eastbound between the A3M and the junction with the A3023 .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 16 March 2026 to 21 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 15.74 miles from Arreton.

Location: eastbound exit slip to the A3023 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Schedule : From 22:00 on 17 March 2026 to 06:00 on 18 March 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 18 March 2026 to 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.34 miles from Arreton.

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 21:00 and 05:00 from 15 April 2026 to 17 April 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 17 June 2026 to 19 June 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 12 August 2026 to 14 August 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 14 October 2026 to 16 October 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.61 miles from Arreton.

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 21:00 and 05:00 from 15 April 2026 to 17 April 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 17 June 2026 to 19 June 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 12 August 2026 to 14 August 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 9 December 2026 to 11 December 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13.47 miles from Arreton.

Location: eastbound at junction J12 (Cosham) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 15 April 2026 to 17 April 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 17 June 2026 to 19 June 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 12 August 2026 to 14 August 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 14 October 2026 to 16 October 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.39 miles from Arreton.

Location: southbound between the M27 westbound and junction J1 for Tipner.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 12 February 2026 to 05:00 on 13 February 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 15 April 2026 to 17 April 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 17 June 2026 to 19 June 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 12 August 2026 to 14 August 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.47 miles from Arreton.

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 21:00 and 05:00 from 15 April 2026 to 17 April 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 17 June 2026 to 19 June 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 12 August 2026 to 14 August 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 9 December 2026 to 11 December 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 13.54 miles from Arreton.

Location: eastbound.
Due to: Emergency roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 15 April 2026 to 17 April 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 17 June 2026 to 19 June 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 12 August 2026 to 14 August 2026.
Schedule : Expect disruption everyday between 21:00 and 05:00 from 14 October 2026 to 16 October 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 13.55 miles from Arreton.
