From
Location: The A3 southbound between the A272 Petersfield North and the junction with the A3M .
To
Location: The A3M southbound between junctions J1 and J2 .
Due to: Roadworks.
Period : from 20:15 on 17 December 2025 to 06:00 on 18 December 2025.
Lanes Closed : All lanes are closed.
Nearest town: 16.06 miles from North Mundham.

Location: southbound between the A333 and the junction with the A325 .
Lane Closures : Lane one is closed.
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 18 December 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 18.69 miles from North Mundham.

Location: southbound exit slip to the A325 .
Due to: Barrier repairs.
Period : expect disruption until 06:00 on 18 December 2025.
Lanes Closed : All lanes are closed.
Nearest town: 18.76 miles from North Mundham.

Location: eastbound between the junctions with the A24 South and the A2025 .
Due to: Emergency roadworks.
Period : expect disruption until 23:59 on 18 December 2025.
Nearest town: 17.21 miles from North Mundham.

Location: westbound between the junctions with the A2025 and the A24 South.
Due to: Emergency roadworks.
Period : expect disruption until 23:59 on 18 December 2025.
Nearest town: 17.26 miles from North Mundham.

Location: eastbound between the A3M and the junction with the A3023 .
Lane Closures : Lane two will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 18 December 2025 to 06:00 on 19 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 10.84 miles from North Mundham.

Location: northbound exit slip to the A272 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:30 and 06:00 from 18 December 2025 to 20 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 16.08 miles from North Mundham.

Location: southbound exit slip to the A272 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:30 and 06:00 from 18 December 2025 to 20 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 16.03 miles from North Mundham.

Location: westbound between the junctions with the A29 South and the A285 Halnaker.
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 18 December 2025 to 06:00 on 19 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 4.67 miles from North Mundham.

Location: westbound between the junctions with the A284 Arundel West and the A29 North.
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 18 December 2025 to 06:00 on 19 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 7.47 miles from North Mundham.

Location: eastbound between the junctions with the A29 North and the A284 Arundel West .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 18 December 2025 to 06:00 on 19 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 6.68 miles from North Mundham.

Location: westbound between the A2025 and the junction with the A24 South.
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 18 December 2025 to 05:00 on 19 December 2025.
Schedule : From 20:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.23 miles from North Mundham.

Location: eastbound between the A3M and the junction with the A3023 .
Lane Closures : Lane one is closed.
Due to: Horticultural works.
Period : expect disruption until 06:00 on 18 December 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 10.84 miles from North Mundham.

Location: eastbound exit slip to the A3023 .
Due to: Horticultural works.
Period : expect disruption until 06:00 on 18 December 2025.
Lanes Closed : All lanes are closed.
Nearest town: 10.11 miles from North Mundham.

Location: westbound between the junctions with the A280 and the A284 Arundel East.
Lane Closures : Lane one is closed.
Due to: Planned Roadworks.
Period : expect disruption until 06:00 on 18 December 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 11.49 miles from North Mundham.

Location: westbound between junctions J10 (Alton) and J9 (Fareham) .
Due to: Roadworks scheme.
Period : from 20:06 on 17 December 2025 to 06:00 on 20 December 2025.
Nearest town: 19.42 miles from North Mundham.

Location: westbound between the junctions with the A24 North and the A280 .
Due to: Horticultural works.
Period : expect disruption until 06:00 on 18 December 2025.
Nearest town: 16.26 miles from North Mundham.

Location: eastbound between the junctions with the A280 and the A24 North.
Due to: Horticultural works.
Period : expect disruption until 06:00 on 18 December 2025.
Nearest town: 16.17 miles from North Mundham.

Location: westbound between the A3M and the junction with the A2030 .
Due to: Roadworks scheme.
Period : from 21:02 on 10 December 2025 to 06:00 on 9 January 2026.
Nearest town: 10.86 miles from North Mundham.

Location: The A3M southbound at junction J5 .
Due to: Roadworks scheme.
Period : from 21:00 on 10 December 2025 to 06:00 on 9 January 2026.
Nearest town: 11.06 miles from North Mundham.

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: 17.7 miles from North Mundham.

Location: westbound between junctions J12 (Cosham) and J11 (Fareham C) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 20:00 on 24 December 2025 to 06:00 on 25 December 2025.
Schedule : From 20:00 on 3 January 2026 to 06:00 on 4 January 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 14.95 miles from North Mundham.

Location: eastbound between junctions J10 (Alton) and J11 (Fareham C) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 20:00 on 24 December 2025 to 06:00 on 4 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.53 miles from North Mundham.

Location: eastbound exit slip at junction J11 (Fareham C) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 20:00 on 24 December 2025 to 06:00 on 4 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.7 miles from North Mundham.

Location: westbound between the A259 Havant and the junction with the A3M .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 11 January 2026 to 06:00 on 12 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 9 miles from North Mundham.

Location: northbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 13.8 miles from North Mundham.

Location: northbound between the A3M and the junction with the A272 Petersfield South .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:30 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13.35 miles from North Mundham.

Location: southbound.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:30 and 06:00 from 18 December 2025 to 20 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 16.45 miles from North Mundham.

Location: southbound entry slip from the A272 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:30 and 06:00 from 18 December 2025 to 20 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 15.93 miles from North Mundham.

Location: southbound between the A325 and the junction with the A272 Petersfield South.
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 18 December 2025 to 20 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.58 miles from North Mundham.

Location: northbound entry slip from the A272 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:30 and 06:00 from 18 December 2025 to 20 December 2025.
Lanes Closed : All lanes will be closed.
Nearest town: 15.93 miles from North Mundham.

Location: northbound between the A272 Petersfield South and the junction with the A325 .
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 18 December 2025 to 20 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.18 miles from North Mundham.

Location: eastbound between the A24 South and the junction with the A2025 .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 20:00 on 18 December 2025 to 05:00 on 19 December 2025.
Schedule : From 20:00 on 19 December 2025 to 06:00 on 20 December 2025.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.74 miles from North Mundham.

Location: westbound between junctions J10 (Alton) and J9 (Fareham) .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 18 December 2025.
Lanes Closed : There is one of four lanes closed.
Nearest town: 19.42 miles from North Mundham.

Location: westbound between the junctions with the A3M and the A2030 .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 7 January 2026 to 9 January 2026.
Lanes Closed : There will be one of four lanes closed.
Nearest town: 11.34 miles from North Mundham.

Location: The A3M southbound at junction J5 .
Lane Closures : Lane one is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 18 December 2025.
Lanes Closed : There is one of two lanes closed.
Nearest town: 11.06 miles from North Mundham.

Location: westbound between the A3023 and the junction with the A3M .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 7 January 2026 to 9 January 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 9.81 miles from North Mundham.

Location: westbound entry slip from the A3M .
Due to: Roadworks.
Period : expect disruption until 06:00 on 18 December 2025.
Lanes Closed : All lanes are closed.
Nearest town: 10.86 miles from North Mundham.

Location: westbound between the junctions with the A29 South and the A285 Halnaker.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 19 January 2026 to 23 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.9 miles from North Mundham.

Location: westbound between the junctions with the A29 North and the A29 South.
Due to: Roadside equipment maintenance is planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 19 January 2026 to 23 January 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 6.28 miles from North Mundham.
