Location: westbound at junction J1 (Avonmouth) .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 15 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 14.79 miles from Trefynwy (Monmouth).

Location: eastbound exit slip at junction J1 (Avonmouth) .
Due to: Roadworks.
Period : expect disruption until 06:00 on 15 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 14.61 miles from Trefynwy (Monmouth).

Location: eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Due to: Roadworks.
Period : expect disruption until 06:00 on 15 March 2026.
Lanes Closed : All lanes are closed.
Nearest town: 12.97 miles from Trefynwy (Monmouth).

Location: southbound between the junctions with the A417 and the A4103 .
Due to: Emergency roadworks.
Period : expect disruption until 19:00 on 16 March 2026.
Nearest town: 18.86 miles from Trefynwy (Monmouth).

Location: northbound between the junctions with the A4103 and the A417 .
Due to: Emergency roadworks.
Period : expect disruption until 19:00 on 16 March 2026.
Nearest town: 18.85 miles from Trefynwy (Monmouth).

Location: northbound between the junctions with the A4103 and the A417 .
Due to: Emergency roadworks.
Period : expect disruption until 23:59 on 17 March 2026.
Nearest town: 18.9 miles from Trefynwy (Monmouth).

Location: eastbound between junctions J4 (S.
Wales) and J1 (Malvern) .
Due to: Roadworks scheme.
Period : from 20:02 on 13 March 2026 to 06:00 on 15 April 2026.
Nearest town: 11.18 miles from Trefynwy (Monmouth).

Location: westbound between the A49 and the junction with the A466 .
Due to: Roadworks scheme.
Period : from 16:03 on 17 November 2025 to 06:00 on 18 May 2026.
Nearest town: 5.61 miles from Trefynwy (Monmouth).

Location: westbound between junctions J3 (Newent) and J4 (S.
Wales) .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13.11 miles from Trefynwy (Monmouth).

Location: northbound between the junctions with the A4137 and the A466 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 06:00 on 21 March 2026.
Nearest town: 11.46 miles from Trefynwy (Monmouth).

Location: southbound between the junctions with the A466 and the A4137 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 06:00 on 21 March 2026.
Nearest town: 12.56 miles from Trefynwy (Monmouth).

Location: southbound between junctions J14 (Dursley) and J15 (Almondsbury) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.81 miles from Trefynwy (Monmouth).

Location: northbound between junctions J15 (Almondsbury) and J14 (Dursley) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 20 March 2026 to 06:00 on 21 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.98 miles from Trefynwy (Monmouth).

Location: westbound at junction J1 (Avonmouth) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 20 March 2026 to 06:00 on 23 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 14.79 miles from Trefynwy (Monmouth).

Location: eastbound exit slip at junction J1 (Avonmouth) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 20 March 2026 to 06:00 on 23 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 14.61 miles from Trefynwy (Monmouth).

Location: eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 20 March 2026 to 06:00 on 23 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.97 miles from Trefynwy (Monmouth).

Location: southbound between junctions J13 (Stroud) and J14 (Dursley) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2026 to 06:00 on 18 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.27 miles from Trefynwy (Monmouth).

Location: northbound between junctions J14 (Dursley) and J13 (Stroud) .
Lane Closures : Lane three will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 17 March 2026 to 06:00 on 18 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.1 miles from Trefynwy (Monmouth).

Location: northbound between junctions J14 (Dursley) and J13 (Stroud) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 18 March 2026 to 06:00 on 28 March 2026.
Nearest town: 16.7 miles from Trefynwy (Monmouth).

Location: southbound between junctions J13 (Stroud) and J14 (Dursley) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 00:00 on 20 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 16.28 miles from Trefynwy (Monmouth).

Location: eastbound between junctions J3 (Newent) and J1 (Malvern) .
Lane Closures : Lane two will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 7 April 2026 to 11 April 2026.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 13 April 2026 to 15 April 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.98 miles from Trefynwy (Monmouth).

Location: eastbound between junctions J4 (S.
Wales) and J3 (Newent) .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 12.13 miles from Trefynwy (Monmouth).

Location: westbound between junctions J3 (Newent) and J4 (S.
Wales) .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 13.17 miles from Trefynwy (Monmouth).

Location: northbound between the junctions with the M5 and the M4 .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 18 March 2026 to 06:00 on 19 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.91 miles from Trefynwy (Monmouth).

Location: eastbound exit slip at junction J22 (Avonmouth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 05:00 on 19 March 2026.
Schedule : From 21:00 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.44 miles from Trefynwy (Monmouth).

Location: eastbound between junctions J23 (Chepstow) and J22 (Avonmouth) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 06:00 on 20 March 2026.
Nearest town: 15.35 miles from Trefynwy (Monmouth).

Location: eastbound between junctions J23 (Chepstow) and J22 (Avonmouth) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 18 March 2026 to 05:00 on 19 March 2026.
Schedule : From 21:00 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.35 miles from Trefynwy (Monmouth).

Location: eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:00 on 18 March 2026 to 05:00 on 19 March 2026.
Schedule : From 20:00 on 19 March 2026 to 06:00 on 20 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.97 miles from Trefynwy (Monmouth).

Location: northbound between junctions J14 (Dursley) and J13 (Stroud) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 18 March 2026 to 21 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 16.7 miles from Trefynwy (Monmouth).

Location: eastbound.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 30 March 2026 to 2 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 2.57 miles from Trefynwy (Monmouth).

Location: westbound between the A49 and the junction with the A466 .
Lane Closures : Lane two is closed.
Due to: Roadworks.
Period : expect disruption until 06:00 on 28 March 2026.
Lanes Closed : There is one of two lanes closed.
Nearest town: 5.61 miles from Trefynwy (Monmouth).

Location: eastbound.
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 30 March 2026 to 06:00 on 2 April 2026.
Nearest town: 2.57 miles from Trefynwy (Monmouth).

Location: eastbound between the A466 and the junction with the A49 .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 30 March 2026 to 2 April 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 5.16 miles from Trefynwy (Monmouth).

Location: westbound at junction J22 (Avonmouth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 17 March 2026 to 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.54 miles from Trefynwy (Monmouth).

Location: northbound between junctions J15 (Almondsbury) and J14 (Dursley) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains 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 three lanes closed.
Nearest town: 17.5 miles from Trefynwy (Monmouth).

Location: southbound between the junctions with the A417 and the A4103 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.9 miles from Trefynwy (Monmouth).

Location: northbound between the junctions with the A4103 and the A417 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 21 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.72 miles from Trefynwy (Monmouth).

Location: westbound between junctions J2 (Hereford) and J3 (Newent) .
Lane Closures : Lane one will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 14.48 miles from Trefynwy (Monmouth).

Location: northbound between the junctions with the A4137 and the A466 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Nearest town: 10.43 miles from Trefynwy (Monmouth).

Location: southbound between the junctions with the A466 and the A4137 .
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Nearest town: 10.47 miles from Trefynwy (Monmouth).

Location: northbound between junctions J15 (Almondsbury) and J14 (Dursley) .
Lane Closures : Lane one will be closed.
Due to: Roadside drains works are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 05:00 on 17 March 2026.
Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.01 miles from Trefynwy (Monmouth).

Location: eastbound entry slip at junction J20 (Bristol) from M5 north.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 04:00 on 17 March 2026.
Nearest town: 19.06 miles from Trefynwy (Monmouth).

Location: southbound entry slip at junction J12 (Gloucester) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:30 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.72 miles from Trefynwy (Monmouth).

Location: southbound exit slip at junction J12 (Gloucester) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 20:30 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.89 miles from Trefynwy (Monmouth).

Location: southbound between junctions J11A (Gloucester) and J13 (Stroud) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 20:00 on 16 March 2026 to 06:00 on 17 March 2026.
Nearest town: 19.54 miles from Trefynwy (Monmouth).

Location: southbound between junctions J11A (Gloucester) and J13 (Stroud) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks 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: 19.54 miles from Trefynwy (Monmouth).

Location: eastbound exit slip at junction J22 (Avonmouth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.44 miles from Trefynwy (Monmouth).

Location: eastbound between junctions J23 (Chepstow) and J22 (Avonmouth) .
Due to: Roadworks scheme is planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 18 March 2026.
Nearest town: 15.35 miles from Trefynwy (Monmouth).

Location: eastbound between junctions J23 (Chepstow) and J22 (Avonmouth) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 15.35 miles from Trefynwy (Monmouth).

Location: eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 20:00 and 06:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 12.97 miles from Trefynwy (Monmouth).

Location: northbound at junction J12 (Gloucester) .
Lane Closures : Lanes 1, 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.61 miles from Trefynwy (Monmouth).

Location: northbound entry slip at junction J12 (Gloucester) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.7 miles from Trefynwy (Monmouth).

Location: northbound between junctions J12 (Gloucester) and J11A (Gloucester) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.69 miles from Trefynwy (Monmouth).

Location: northbound between junctions J13 (Stroud) and J12 (Gloucester) .
Lane Closures : Lanes 2 and 3 will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 21:00 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.26 miles from Trefynwy (Monmouth).

Location: southbound between junctions J13 (Stroud) and J14 (Dursley) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 08:00 and 16:00 from 16 March 2026 to 20 March 2026.
Nearest town: 16.79 miles from Trefynwy (Monmouth).

Location: northbound between junctions J14 (Dursley) and J13 (Stroud) .
Due to: Roadworks are planned.
Status : Pending.
Schedule : Expect disruption everyday between 08:00 and 16:00 from 16 March 2026 to 20 March 2026.
Nearest town: 16.26 miles from Trefynwy (Monmouth).

Location: westbound between the A49 and the junction with the A466 .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 6.48 miles from Trefynwy (Monmouth).

Location: eastbound between the A466 and the junction with the A49 .
Lane Closures : Lane two will be closed.
Due to: Barrier repairs are planned.
Status : Pending.
Schedule : From 21:00 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 4.78 miles from Trefynwy (Monmouth).

Location: southbound entry slip at junction J12 (Gloucester) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.72 miles from Trefynwy (Monmouth).

Location: southbound exit slip at junction J12 (Gloucester) .
Lane Closures : Lane one will be closed.
Due to: Roadworks are planned.
Status : Pending.
Schedule : From 22:00 on 15 March 2026 to 06:00 on 16 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 18.89 miles from Trefynwy (Monmouth).

Location: northbound between the A438 and the junction with the A4103 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 23 March 2026 to 06:00 on 24 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.52 miles from Trefynwy (Monmouth).

Location: southbound between the A4103 and the junction with the A438 .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 23 March 2026 to 06:00 on 24 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 17.96 miles from Trefynwy (Monmouth).

Location: westbound entry slip at junction J22 (Avonmouth) .
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 13 March 2026 to 06:00 on 14 March 2026.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.52 miles from Trefynwy (Monmouth).

Location: westbound at junction J22 (Avonmouth) .
Lane Closures : Lanes 1 and 2 will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.
Lanes Closed : All lanes will be closed.
Nearest town: 16.54 miles from Trefynwy (Monmouth).

Location: northbound between the junctions with the M5 and the M4 .
Lane Closures : Lane one will be closed.
Due to: Road repairs are planned.
Status : Pending.
Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 18 March 2026.
Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.85 miles from Trefynwy (Monmouth).
