Traffic Cefn

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FULL SCREEN UPDATED: 22:20
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Current traffic around Cefn

The following traffic incidents and congestion for Cefn have been reported by Highways England, Traffic Scotland, Traffic Wales or Transport for London (TfL) in the last two hours:

BROKEN DOWN VEHICLE
Location: The M5 southbound exit slip at junction J19 (Portishead) .
Lane closures: Lane one is closed.
Reason: Broken down vehicle.
Status: Currently Active.
Time to clear: The event is expected to clear between 22:45 and 23:00 on 10 Mar 2026.
Return to normal: Normal traffic conditions are expected between 22:45 and 23:00 on 10 Mar 2026.
Lanes closed: There is one of two lanes closed.
Nearest town: 16.67 miles from Cefn.
EASTBOUND
Description: M4Now clearEastboundJ32 (Cardiff) Coryton, Start time: 10/03/2026 18:37 , Expected end time: 10/03/2026 18:42, Severity: Moderate, Source: Welsh Government, Last updated: 10/03/2026 18:37
Nearest town: 9.17 miles from Cefn. CLEARED @ 19:54
SOUTHBOUND
Description: A470Now clearSouthboundTaffs Well to Coryton Interchange, Start time: 10/03/2026 18:05 , Expected end time: 10/03/2026 18:10, Severity: Moderate, Source: Welsh Government, Last updated: 10/03/2026 18:05
Nearest town: 9.32 miles from Cefn. CLEARED @ 19:30
VEHICLE RECOVERY
Location: The M5 southbound between junctions J18 (Bristol) and J19 (Portishead) .
Lane closures: The hard shoulder and lane 1 are closed.
Reason: Vehicle tyre change.
Status: Currently Active.
Time to clear: The event is expected to clear between 20:00 and 20:15 on 10 Mar 2026.
Return to normal: Normal traffic conditions are expected between 20:00 and 20:15 on 10 Mar 2026.
Lanes closed: There is one of four lanes closed.
Nearest town: 16.93 miles from Cefn. CLEARED @ 19:21
CORYTON TO NANTGARW
Description: A470NorthboundCoryton to NantgarwCongestionDelay: s possible :, Start time: 10/03/2026 16:12 , Expected end time: 10/03/2026 19:12, Severity: Moderate, Source: Welsh Government, Last updated: 10/03/2026 16:12
Nearest town: 9.38 miles from Cefn. CLEARED @ 18:30
J24 COLDRA TO J26 MALPAS
Description: M4WestboundJ24 (Newport) Coldra to J26 (Newport) MalpasCongestionDelay: s possible :, Start time: 10/03/2026 16:18 , Expected end time: 10/03/2026 20:18, Severity: Moderate, Source: Welsh Government, Last updated: 10/03/2026 16:18
Nearest town: 3.94 miles from Cefn. CLEARED @ 18:30
J32 CORYTON
Description: M4EastboundJ32 (Cardiff) CorytonoffslipCongestionDelay: s possible :, Start time: 10/03/2026 16:46 , Expected end time: 10/03/2026 19:46, Severity: Moderate, Source: Welsh Government, Last updated: 10/03/2026 16:46
Nearest town: 9.17 miles from Cefn. CLEARED @ 18:30
J32 CORYTON
Description: M4EastboundJ32 (Cardiff) CorytonoffslipCongestionDelay: s possible :, Start time: 10/03/2026 16:46 , Expected end time: 10/03/2026 19:46, Severity: Moderate, Source: Welsh Government, Last updated: 10/03/2026 16:46
Nearest town: 9.17 miles from Cefn. CLEARED @ 16:54
A48 INTERCHANGE TO M4 J33 CAPEL LLANILLTERN
Description: A4232NorthboundA48 Interchange to M4 J33 Capel LlanillternCongestionDelay: s possible :, Start time: 10/03/2026 15:28 , Expected end time: 10/03/2026 19:28, Severity: Moderate, Source: Welsh Government, Last updated: 10/03/2026 15:28
Nearest town: 12.06 miles from Cefn. CLEARED @ 16:42
CORYTON TO NANTGARW
Description: A470NorthboundCoryton to NantgarwCongestionDelay: s possible :, Start time: 10/03/2026 16:12 , Expected end time: 10/03/2026 19:12, Severity: Moderate, Source: Welsh Government, Last updated: 10/03/2026 16:12
Nearest town: 9.38 miles from Cefn. CLEARED @ 16:42
J24 COLDRA TO J26 MALPAS
Description: M4WestboundJ24 (Newport) Coldra to J26 (Newport) MalpasCongestionDelay: s possible :, Start time: 10/03/2026 16:18 , Expected end time: 10/03/2026 20:18, Severity: Moderate, Source: Welsh Government, Last updated: 10/03/2026 16:18
Nearest town: 3.94 miles from Cefn. CLEARED @ 16:42
TAFF'S WELL TO CORYTON INTERCHANGE
Description: A470SouthboundTaffs Well to Coryton InterchangeCongestionDelay: s possible :, Start time: 10/03/2026 16:18 , Expected end time: 10/03/2026 19:18, Severity: Moderate, Source: Welsh Government, Last updated: 10/03/2026 16:18
Nearest town: 9.32 miles from Cefn. CLEARED @ 16:42


There are no current incidents in this location.

Roadworks

ROAD WORKS
Location: The M48 westbound between junctions J1 (Avonmouth) and J2 (Chepstow) .
Reason: Roadworks.
Status: Currently Active.
Period: from 21:04 on 10 Mar 2026 to 06:00 on 11 Mar 2026.
Lanes Closed: All lanes are closed.
Nearest town: 18.52 miles from Cefn.
ROAD WORKS
Location: The M5 northbound entry slip at junction J19 (Portishead) .
Lane closures: Lane two is closed.
Reason: Barrier repairs.
Status: Currently Active.
Period: expect disruption until 06:00 on 11 Mar 2026.
Lanes Closed: There is one of two lanes closed.
Nearest town: 16.57 miles from Cefn.
ROAD WORKS
Location: The M5 southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Lane closures: Lane four is closed.
Reason: Roadside Drains Works.
Status: Currently Active.
Period: expect disruption until 06:00 on 11 Mar 2026.
Lanes Closed: There is one of four lanes closed.
Nearest town: 16.15 miles from Cefn.
ROAD WORKS
Location: The M5 southbound between junctions J18 (Bristol) and J19 (Portishead) .
Lane closures: Lane four is closed.
Reason: Roadside Drains Works.
Status: Currently Active.
Period: expect disruption until 06:00 on 11 Mar 2026.
Lanes Closed: There is one of four lanes closed.
Nearest town: 17.05 miles from Cefn.
ROAD WORKS
Location: The M5 northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Reason: Roadworks scheme.
Status: Currently Active.
Period: from 20:10 on 10 Mar 2026 to 06:00 on 11 Mar 2026.
Nearest town: 14.18 miles from Cefn.
ROAD WORKS
Location: The M5 northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Lane closures: The hard shoulder and lane 1 are closed.
Reason: Roadworks.
Status: Currently Active.
Period: expect disruption until 06:00 on 11 Mar 2026.
Lanes Closed: There is one of three lanes closed.
Nearest town: 14.35 miles from Cefn.
ROAD WORKS
Location: The M5 northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Lane closures: The hard shoulder and lane 1 are closed.
Reason: Roadworks.
Status: Currently Active.
Period: expect disruption until 06:00 on 11 Mar 2026.
Lanes Closed: There is one of four lanes closed.
Nearest town: 14.18 miles from Cefn.
ROAD WORKS
Location: The M48 eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Lane closures: Lane two is closed.
Reason: Roadworks.
Status: Currently Active.
Period: expect disruption until 06:00 on 11 Mar 2026.
Lanes Closed: There is one of two lanes closed.
Nearest town: 16.79 miles from Cefn.
ROAD WORKS
Location: The M48 westbound between the M4 and junction J1 (Avonmouth) .
Lane closures: Lane two is closed.
Reason: Roadworks.
Status: Currently Active.
Period: expect disruption until 06:00 on 11 Mar 2026.
Lanes Closed: There is one of two lanes closed.
Nearest town: 19.24 miles from Cefn.
ROAD WORKS
Location: The M5 northbound at junction J18A (South Wales) .
Reason: Roadworks scheme.
Status: Currently Active.
Period: from 08:01 on 6 Mar 2026 to 18:00 on 10 Mar 2026.
Nearest town: 17.11 miles from Cefn. CLEARED @ 18:00
ROAD WORKS
Location: The M5 northbound at junction J18A (South Wales) .
Lane closures: The hard shoulder is closed.
Reason: Roadworks.
Status: Currently Active.
Period: expect disruption until 18:00 on 10 Mar 2026.
Nearest town: 17.36 miles from Cefn. CLEARED @ 18:00
ROAD WORKS
Location: The M5 northbound at junction J18 (Bristol) .
Lane closures: The hard shoulder is closed.
Reason: Roadworks.
Status: Currently Active.
Period: expect disruption until 18:00 on 10 Mar 2026.
Nearest town: 17.11 miles from Cefn. CLEARED @ 18:00
ROAD WORKS
Location: The M5 northbound at junction J20 (Nailsea) .
Lane closures: The hard shoulder and lane 1 are closed.
Reason: Emergency Roadside Drains works.
Status: Currently Active.
Period: expect disruption until 04:00 on 11 Mar 2026.
Lanes Closed: There is one of three lanes closed.
Nearest town: 14.12 miles from Cefn.
ROAD WORKS
Location: The M4 westbound at junction J22 (Avonmouth) .
Lane closures: Lanes 1 and 2 will be closed.
Reason: Road repairs are planned.
Status: Pending.
Schedule: Expect disruption everyday between 21:00 and 06:00 from 17 Mar 2026 to 21 Mar 2026.
Lanes Closed: All lanes will be closed.
Nearest town: 17.26 miles from Cefn.
ROAD WORKS
Location: The M4 eastbound exit slip at junction J22 (Avonmouth) .
Lane closures: Lanes 1 and 2 will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: Expect disruption everyday between 21:00 and 06:00 from 16 Mar 2026 to 18 Mar 2026.
Lanes Closed: All lanes will be closed.
Nearest town: 16.81 miles from Cefn.
ROAD WORKS
Location: The M4 eastbound between junctions J23 (Chepstow) and J22 (Avonmouth) .
Reason: Roadworks scheme is planned.
Status: Pending.
Schedule: From 21:00 on 16 Mar 2026 to 06:00 on 18 Mar 2026.
Nearest town: 13.39 miles from Cefn.
ROAD WORKS
Location: The M4 eastbound between junctions J23 (Chepstow) and J22 (Avonmouth) .
Lane closures: Lanes 1, 2 and 3 will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: Expect disruption everyday between 21:00 and 06:00 from 16 Mar 2026 to 18 Mar 2026.
Lanes Closed: All lanes will be closed.
Nearest town: 13.39 miles from Cefn.
ROAD WORKS
Location: The M48 eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Reason: Roadworks are planned.
Status: Pending.
Schedule: Expect disruption everyday between 20:00 and 06:00 from 16 Mar 2026 to 18 Mar 2026.
Lanes Closed: All lanes will be closed.
Nearest town: 16.79 miles from Cefn.
ROAD WORKS
Location: The M5 northbound between junctions J21 (Weston super Mare) and J20 (Nailsea) .
Lane closures: Lanes 1 and 2 will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: Expect disruption everyday between 20:00 and 06:00 from 16 Mar 2026 to 21 Mar 2026.
Lanes Closed: There will be two of three lanes closed.
Nearest town: 15.82 miles from Cefn.
ROAD WORKS
Location: The M48 westbound at junction J1 (Avonmouth) .
Lane closures: Lane two will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: Expect disruption everyday between 20:00 and 06:00 from 13 Mar 2026 to 15 Mar 2026.
Lanes Closed: There will be one of two lanes closed.
Nearest town: 18.81 miles from Cefn.
ROAD WORKS
Location: The M48 eastbound exit slip at junction J1 (Avonmouth) .
Lane closures: Lane one will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: Expect disruption everyday between 20:00 and 06:00 from 13 Mar 2026 to 15 Mar 2026.
Lanes Closed: All lanes will be closed.
Nearest town: 18.63 miles from Cefn.
ROAD WORKS
Location: The M48 eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Reason: Roadworks are planned.
Status: Pending.
Schedule: Expect disruption everyday between 20:00 and 06:00 from 13 Mar 2026 to 15 Mar 2026.
Lanes Closed: All lanes will be closed.
Nearest town: 16.79 miles from Cefn.
ROAD WORKS
Location: The M5 southbound entry slip at junction J18 (Bristol) .
Lane closures: Lane one will be closed.
Reason: Horticultural works are planned.
Status: Pending.
Schedule: From 20:00 on 13 Mar 2026 to 06:00 on 14 Mar 2026.
Lanes Closed: All lanes will be closed.
Nearest town: 17.47 miles from Cefn.
ROAD WORKS
Location: The junction of the M5 J18 (Bristol) and the M49 .
Lane closures: Lane one will be closed.
Reason: Horticultural works are planned.
Status: Pending.
Schedule: From 20:00 on 13 Mar 2026 to 06:00 on 14 Mar 2026.
Lanes Closed: There will be one of three lanes closed.
Nearest town: 17.61 miles from Cefn.
ROAD WORKS
Location: The M5 southbound exit slip at junction J18 (Bristol) .
Lane closures: Lane one will be closed.
Reason: Horticultural works are planned.
Status: Pending.
Schedule: From 20:00 on 13 Mar 2026 to 06:00 on 14 Mar 2026.
Lanes Closed: There will be one of two lanes closed.
Nearest town: 17.72 miles from Cefn.
ROAD WORKS
Location: The M5 northbound entry slip at junction J19 (Portishead) .
Lane closures: Lane two will be closed.
Reason: Road repairs are planned.
Status: Pending.
Schedule: From 20:00 on 13 Mar 2026 to 06:00 on 16 Mar 2026.
Lanes Closed: There will be one of two lanes closed.
Nearest town: 16.57 miles from Cefn.
ROAD WORKS
Location: The M49 northbound entry slip from the M5 Avonmouth.
Lane closures: Lanes 1 and 2 will be closed.
Reason: Horticultural works are planned.
Status: Pending.
Schedule: From 20:00 on 11 Mar 2026 to 06:00 on 12 Mar 2026.
Lanes Closed: All lanes will be closed.
Nearest town: 17.41 miles from Cefn.
ROAD WORKS
Location: The M5 northbound entry slip at junction J18 (Bristol) .
Lane closures: Lanes 1 and 2 will be closed.
Reason: Horticultural works are planned.
Status: Pending.
Schedule: From 20:00 on 11 Mar 2026 to 06:00 on 12 Mar 2026.
Lanes Closed: All lanes will be closed.
Nearest town: 17.13 miles from Cefn.
ROAD WORKS
Location: The A4 westbound.
Lane closures: Lane one will be closed.
Reason: Horticultural works are planned.
Status: Pending.
Schedule: From 20:00 on 11 Mar 2026 to 06:00 on 12 Mar 2026.
Lanes Closed: There will be one of two lanes closed.
Nearest town: 16.85 miles from Cefn.
ROAD WORKS
Location: The A4 eastbound.
Lane closures: Lane one will be closed.
Reason: Horticultural works are planned.
Status: Pending.
Schedule: From 20:00 on 11 Mar 2026 to 06:00 on 12 Mar 2026.
Lanes Closed: There will be one of three lanes closed.
Nearest town: 16.83 miles from Cefn.
ROAD WORKS
Location: The junction of the M5 J18 (Bristol) and the A4 .
Lane closures: Lanes 1 and 2 will be closed.
Reason: Horticultural works are planned.
Status: Pending.
Schedule: From 20:00 on 12 Mar 2026 to 06:00 on 13 Mar 2026.
Lanes Closed: All lanes will be closed.
Nearest town: 16.66 miles from Cefn.
ROAD WORKS
Location: The A4 eastbound.
Lane closures: Lane one will be closed.
Reason: Horticultural works are planned.
Status: Pending.
Schedule: From 20:00 on 12 Mar 2026 to 06:00 on 13 Mar 2026.
Lanes Closed: There will be one of two lanes closed.
Nearest town: 16.54 miles from Cefn.
ROAD WORKS
Location: The M5 southbound entry slip at junction J19 (Portishead) .
Lane closures: Lanes 1 and 2 will be closed.
Reason: Roadside drains works are planned.
Status: Pending.
Schedule: From 21:00 on 12 Mar 2026 to 06:00 on 13 Mar 2026.
Lanes Closed: All lanes will be closed.
Nearest town: 16.55 miles from Cefn.
ROAD WORKS
Location: The M5 southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Reason: Roadside drains works are planned.
Status: Pending.
Schedule: From 21:00 on 12 Mar 2026 to 06:00 on 13 Mar 2026.
Nearest town: 16.15 miles from Cefn.
ROAD WORKS
Location: The M5 southbound at junction J19 (Portishead) .
Reason: Roadside drains works are planned.
Status: Pending.
Schedule: From 21:00 on 12 Mar 2026 to 06:00 on 13 Mar 2026.
Nearest town: 16.5 miles from Cefn.
ROAD WORKS
Location: The M48 westbound at junction J1 (Avonmouth) .
Lane closures: Lanes 1 and 2 will be closed.
Reason: Emergency roadworks are planned.
Status: Pending.
Schedule: From 20:00 on 12 Mar 2026 to 06:00 on 13 Mar 2026.
Lanes Closed: All lanes will be closed.
Nearest town: 18.96 miles from Cefn.
ROAD WORKS
Location: The M4 westbound entry slip at junction J22 (Avonmouth) .
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 21:00 on 12 Mar 2026 to 06:00 on 13 Mar 2026.
Lanes Closed: All lanes will be closed.
Nearest town: 17.03 miles from Cefn.
ROAD WORKS
Location: The M49 northbound between the junctions with the M5 and the M4 .
Lane closures: Lane one will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 20:00 on 12 Mar 2026 to 06:00 on 13 Mar 2026.
Lanes Closed: There will be one of two lanes closed.
Nearest town: 17.12 miles from Cefn.
ROAD WORKS
Location: The M5 northbound entry slip at junction J18 (Bristol) .
Lane closures: Lanes 1 and 2 will be closed.
Reason: Barrier repairs are planned.
Status: Pending.
Schedule: Expect disruption everyday between 09:00 and 16:00 from 11 Mar 2026 to 12 Mar 2026.
Schedule: From 09:00 on 13 Mar 2026 to 15:00 on 13 Mar 2026.
Lanes Closed: All lanes will be closed.
Nearest town: 17.13 miles from Cefn.
ROAD WORKS
Location: The M5 northbound between junctions J19 (Portishead) and J18 (Bristol) .
Lane closures: Lanes 1, 2 and 3 will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 20:30 on 20 Mar 2026 to 08:00 on 21 Mar 2026.
Schedule: From 19:30 on 21 Mar 2026 to 09:00 on 22 Mar 2026.
Lanes Closed: There will be three of four lanes closed.
Nearest town: 16.75 miles from Cefn.
ROAD WORKS
Location: The M5 northbound at junction J19 (Portishead) .
Lane closures: Lanes 1, 2 and 3 will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 20:30 on 20 Mar 2026 to 08:00 on 21 Mar 2026.
Schedule: From 19:30 on 21 Mar 2026 to 09:00 on 22 Mar 2026.
Lanes Closed: All lanes will be closed.
Nearest town: 16.49 miles from Cefn.
ROAD WORKS
Location: The M5 southbound between junctions J17 (Bristol West) and J18 (Bristol) .
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 09:00 on 12 Mar 2026 to 16:00 on 12 Mar 2026.
Nearest town: 17.96 miles from Cefn.
ROAD WORKS
Location: The M4 westbound entry slip at junction J22 (Avonmouth) .
Reason: Road repairs are planned.
Status: Pending.
Schedule: From 21:00 on 11 Mar 2026 to 06:00 on 12 Mar 2026.
Schedule: From 21:00 on 13 Mar 2026 to 06:00 on 14 Mar 2026.
Schedule: Expect disruption everyday between 21:00 and 06:00 from 16 Mar 2026 to 18 Mar 2026.
Lanes Closed: All lanes will be closed.
Nearest town: 17.03 miles from Cefn.
ROAD WORKS
Location: The M4 westbound at junction J22 (Avonmouth) .
Lane closures: Lanes 1 and 2 will be closed.
Reason: Road repairs are planned.
Status: Pending.
Schedule: From 21:00 on 11 Mar 2026 to 06:00 on 12 Mar 2026.
Schedule: From 21:00 on 13 Mar 2026 to 06:00 on 14 Mar 2026.
Schedule: From 21:00 on 16 Mar 2026 to 06:00 on 17 Mar 2026.
Lanes Closed: All lanes will be closed.
Nearest town: 17.26 miles from Cefn.
ROAD WORKS
Location: The M49 northbound between the junctions with the M5 and the M4 .
Lane closures: Lane one will be closed.
Reason: Road repairs are planned.
Status: Pending.
Schedule: From 21:00 on 11 Mar 2026 to 06:00 on 12 Mar 2026.
Schedule: From 21:00 on 13 Mar 2026 to 06:00 on 14 Mar 2026.
Schedule: Expect disruption everyday between 21:00 and 06:00 from 16 Mar 2026 to 18 Mar 2026.
Lanes Closed: There will be one of two lanes closed.
Nearest town: 17.12 miles from Cefn.
ROAD WORKS
Location: The M4 eastbound exit slip at junction J22 (Avonmouth) .
Lane closures: Lanes 1 and 2 will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 21:00 on 11 Mar 2026 to 06:00 on 12 Mar 2026.
Lanes Closed: All lanes will be closed.
Nearest town: 16.81 miles from Cefn.
ROAD WORKS
Location: The M4 eastbound between junctions J23 (Chepstow) and J22 (Avonmouth) .
Reason: Roadworks scheme is planned.
Status: Pending.
Schedule: From 21:00 on 11 Mar 2026 to 06:00 on 12 Mar 2026.
Nearest town: 13.39 miles from Cefn.
ROAD WORKS
Location: The M4 eastbound between junctions J23 (Chepstow) and J22 (Avonmouth) .
Lane closures: Lanes 1, 2 and 3 will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 21:00 on 11 Mar 2026 to 06:00 on 12 Mar 2026.
Lanes Closed: All lanes will be closed.
Nearest town: 13.39 miles from Cefn.
ROAD WORKS
Location: The M48 eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 20:00 on 11 Mar 2026 to 06:00 on 12 Mar 2026.
Lanes Closed: All lanes will be closed.
Nearest town: 16.79 miles from Cefn.
ROAD WORKS
Location: The M5 northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Reason: Roadworks scheme is planned.
Status: Pending.
Schedule: From 20:00 on 11 Mar 2026 to 06:00 on 21 Mar 2026.
Nearest town: 14.18 miles from Cefn.
ROAD WORKS
Location: The M5 northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Lane closures: Lane one will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: Expect disruption everyday between 20:00 and 06:00 from 11 Mar 2026 to 14 Mar 2026.
Schedule: Expect disruption everyday between 20:00 and 06:00 from 16 Mar 2026 to 21 Mar 2026.
Lanes Closed: There will be one of three lanes closed.
Nearest town: 14.35 miles from Cefn.
ROAD WORKS
Location: The M5 northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Lane closures: Lane one will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: Expect disruption everyday between 20:00 and 06:00 from 11 Mar 2026 to 14 Mar 2026.
Schedule: Expect disruption everyday between 20:00 and 06:00 from 16 Mar 2026 to 21 Mar 2026.
Lanes Closed: There will be one of four lanes closed.
Nearest town: 14.18 miles from Cefn.
ROAD WORKS
Location: The junction of the M5 J18 (Bristol) and the M49 .
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 08:00 on 11 Mar 2026 to 18:00 on 11 Mar 2026.
Nearest town: 17.61 miles from Cefn.
ROAD WORKS
Location: The M5 northbound between junctions J19 (Portishead) and J18 (Bristol) .
Lane closures: Lanes 2, 3 and 4 are closed.
Reason: Roadworks.
Status: Currently Active.
Period: expect disruption until 06:00 on 11 Mar 2026.
Lanes Closed: There are three of four lanes closed.
Nearest town: 16.75 miles from Cefn.
ROAD WORKS
Location: The M5 northbound at junction J19 (Portishead) .
Lane closures: Lanes 2 and 3 are closed.
Reason: Roadworks.
Status: Currently Active.
Period: expect disruption until 06:00 on 11 Mar 2026.
Lanes Closed: There are two of three lanes closed.
Nearest town: 16.49 miles from Cefn.
ROAD WORKS
Location: The M5 southbound between junctions J18 (Bristol) and J19 (Portishead) .
Lane closures: Lane four is closed.
Reason: Roadworks.
Status: Currently Active.
Period: expect disruption until 06:00 on 11 Mar 2026.
Lanes Closed: There is one of four lanes closed.
Nearest town: 17.28 miles from Cefn.
ROAD WORKS
Location: The M48 eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .
Lane closures: Lane one will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 10:00 on 11 Mar 2026 to 15:00 on 11 Mar 2026.
Lanes Closed: There will be one of two lanes closed.
Nearest town: 16.79 miles from Cefn.
ROAD WORKS
Location: The M5 southbound entry slip at junction J19 (Portishead) .
Reason: Horticultural works are planned.
Status: Pending.
Schedule: Expect disruption everyday between 08:00 and 17:00 from 11 Mar 2026 to 13 Mar 2026.
Schedule: Expect disruption everyday between 08:00 and 17:00 from 16 Mar 2026 to 17 Mar 2026.
Nearest town: 16.55 miles from Cefn.
ROAD WORKS
Location: The M5 southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Reason: Horticultural works are planned.
Status: Pending.
Schedule: Expect disruption everyday between 08:00 and 17:00 from 11 Mar 2026 to 13 Mar 2026.
Schedule: Expect disruption everyday between 08:00 and 17:00 from 16 Mar 2026 to 17 Mar 2026.
Nearest town: 16.15 miles from Cefn.
ROAD WORKS
Location: The M5 northbound between junctions J18A (South Wales) and J17 (Bristol West) .
Reason: Barrier repairs are planned.
Status: Pending.
Schedule: Expect disruption everyday between 08:00 and 17:00 from 11 Mar 2026 to 13 Mar 2026.
Schedule: Expect disruption everyday between 08:00 and 17:00 from 16 Mar 2026 to 20 Mar 2026.
Nearest town: 17.76 miles from Cefn.
ROAD WORKS
Location: The M5 northbound between junctions J18A (South Wales) and J17 (Bristol West) .
Reason: Barrier repairs are planned.
Status: Pending.
Schedule: Expect disruption everyday between 08:00 and 17:00 from 11 Mar 2026 to 13 Mar 2026.
Schedule: Expect disruption everyday between 08:00 and 17:00 from 16 Mar 2026 to 20 Mar 2026.
Nearest town: 18.14 miles from Cefn.
ROAD WORKS
Location: The M5 southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Lane closures: The hard shoulder is closed.
Reason: Roadworks.
Status: Currently Active.
Period: expect disruption until 17:00 on 13 Mar 2026.
Nearest town: 14.94 miles from Cefn.
ROAD WORKS
Location: The M5 northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Reason: Barrier repairs are planned.
Status: Pending.
Schedule: Expect disruption everyday between 08:00 and 17:00 from 11 Mar 2026 to 13 Mar 2026.
Schedule: Expect disruption everyday between 08:00 and 17:00 from 16 Mar 2026 to 20 Mar 2026.
Nearest town: 14.88 miles from Cefn.
ROAD WORKS
Location: The M5 southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Lane closures: The hard shoulder and lane 1 are closed.
Reason: Roadworks.
Status: Currently Active.
Period: expect disruption until 06:00 on 11 Mar 2026.
Lanes Closed: There is one of three lanes closed.
Nearest town: 15.04 miles from Cefn.
ROAD WORKS
Location: The M5 southbound at junction J18 (Bristol) .
Lane closures: Lanes 1, 2 and 3 will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: Expect disruption everyday between 21:00 and 06:00 from 12 Mar 2026 to 14 Mar 2026.
Schedule: Expect disruption everyday between 21:00 and 06:00 from 16 Mar 2026 to 21 Mar 2026.
Schedule: Expect disruption everyday between 21:00 and 06:00 from 23 Mar 2026 to 28 Mar 2026.
Schedule: From 21:00 on 30 Mar 2026 to 06:00 on 31 Mar 2026.
Lanes Closed: All lanes will be closed.
Nearest town: 17.45 miles from Cefn.
ROAD WORKS
Location: The M5 southbound between junctions J18 (Bristol) and J19 (Portishead) .
Lane closures: Lanes 1, 2 and 3 will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: Expect disruption everyday between 21:00 and 06:00 from 12 Mar 2026 to 14 Mar 2026.
Schedule: Expect disruption everyday between 21:00 and 06:00 from 16 Mar 2026 to 21 Mar 2026.
Schedule: Expect disruption everyday between 21:00 and 06:00 from 23 Mar 2026 to 28 Mar 2026.
Schedule: From 21:00 on 30 Mar 2026 to 06:00 on 31 Mar 2026.
Lanes Closed: There will be three of four lanes closed.
Nearest town: 17.28 miles from Cefn.
ROAD WORKS
Location: The M5 northbound at junction J19 (Portishead) .
Lane closures: Lanes 1, 2 and 3 will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 21:00 on 12 Mar 2026 to 06:00 on 13 Mar 2026.
Schedule: Expect disruption everyday between 21:00 and 06:00 from 16 Mar 2026 to 20 Mar 2026.
Schedule: Expect disruption everyday between 21:00 and 06:00 from 23 Mar 2026 to 28 Mar 2026.
Schedule: From 21:00 on 30 Mar 2026 to 06:00 on 31 Mar 2026.
Lanes Closed: All lanes will be closed.
Nearest town: 16.75 miles from Cefn.
ROAD WORKS
Location: The M5 northbound between junctions J19 (Portishead) and J18 (Bristol) .
Lane closures: The hard shoulder, lanes 1, 2 and 3 are closed.
Reason: Roadworks.
Status: Currently Active.
Period: expect disruption until 06:00 on 13 Mar 2026.
Lanes Closed: There are three of four lanes closed.
Nearest town: 16.49 miles from Cefn.

Traffic in Nearby Villages

Cefn

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Location: southbound exit slip at junction J19 (Portishead) .

Lane Closures : Lane one is closed.

Due to: Broken down vehicle.



Time To Clear : The event is expected to clear between 22:45 and 23:00 on 10 March 2026.

Normal traffic conditions are expected between 22:45 and 23:00 on 10 March 2026.

Lanes Closed : There is one of two lanes closed.
Nearest town: 16.67 miles from Cefn.

51.48--2.71

Description: M4 : Now clear : Eastbound : J32 (Cardiff) Coryton, Start time: 10/03/2026 18:37 , Expected end time: 10/03/2026 18:42, Severity: Moderate, Source: Welsh Government, Last updated: 10/03/2026 18:37
Nearest town: 9.17 miles from Cefn.

51.53--3.25

Description: A470 : Now clear : Southbound : Taffs Well to Coryton Interchange, Start time: 10/03/2026 18:05 , Expected end time: 10/03/2026 18:10, Severity: Moderate, Source: Welsh Government, Last updated: 10/03/2026 18:05
Nearest town: 9.32 miles from Cefn.

51.53--3.25

Location: southbound between junctions J18 (Bristol) and J19 (Portishead) .

Lane Closures : The hard shoulder and lane 1 are closed.

Due to: Vehicle tyre change.



Time To Clear : The event is expected to clear between 20:00 and 20:15 on 10 March 2026.

Normal traffic conditions are expected between 20:00 and 20:15 on 10 March 2026.

Lanes Closed : There is one of four lanes closed.
Nearest town: 16.93 miles from Cefn.

51.49--2.69

Description: A470 : Northbound : Coryton to Nantgarw : Congestion : Delays possible :, Start time: 10/03/2026 16:12 , Expected end time: 10/03/2026 19:12, Severity: Moderate, Source: Welsh Government, Last updated: 10/03/2026 16:12
Nearest town: 9.38 miles from Cefn.

51.54--3.26

Description: M4 : Westbound : J24 (Newport) Coldra to J26 (Newport) Malpas : Congestion : Delays possible :, Start time: 10/03/2026 16:18 , Expected end time: 10/03/2026 20:18, Severity: Moderate, Source: Welsh Government, Last updated: 10/03/2026 16:18
Nearest town: 3.94 miles from Cefn.

51.6--2.96

Description: M4 : Eastbound : J32 (Cardiff) Coryton : offslip : Congestion : Delays possible :, Start time: 10/03/2026 16:46 , Expected end time: 10/03/2026 19:46, Severity: Moderate, Source: Welsh Government, Last updated: 10/03/2026 16:46
Nearest town: 9.17 miles from Cefn.

51.53--3.25

Description: M4 : Eastbound : J32 (Cardiff) Coryton : offslip : Congestion : Delays possible :, Start time: 10/03/2026 16:46 , Expected end time: 10/03/2026 19:46, Severity: Moderate, Source: Welsh Government, Last updated: 10/03/2026 16:46
Nearest town: 9.17 miles from Cefn.

51.53--3.25

Description: A4232 : Northbound : A48 Interchange to M4 J33 Capel Llanilltern : Congestion : Delays possible :, Start time: 10/03/2026 15:28 , Expected end time: 10/03/2026 19:28, Severity: Moderate, Source: Welsh Government, Last updated: 10/03/2026 15:28
Nearest town: 12.06 miles from Cefn.

51.49--3.29

Description: A470 : Northbound : Coryton to Nantgarw : Congestion : Delays possible :, Start time: 10/03/2026 16:12 , Expected end time: 10/03/2026 19:12, Severity: Moderate, Source: Welsh Government, Last updated: 10/03/2026 16:12
Nearest town: 9.38 miles from Cefn.

51.54--3.26

Description: M4 : Westbound : J24 (Newport) Coldra to J26 (Newport) Malpas : Congestion : Delays possible :, Start time: 10/03/2026 16:18 , Expected end time: 10/03/2026 20:18, Severity: Moderate, Source: Welsh Government, Last updated: 10/03/2026 16:18
Nearest town: 3.94 miles from Cefn.

51.6--2.96

Description: A470 : Southbound : Taffs Well to Coryton Interchange : Congestion : Delays possible :, Start time: 10/03/2026 16:18 , Expected end time: 10/03/2026 19:18, Severity: Moderate, Source: Welsh Government, Last updated: 10/03/2026 16:18
Nearest town: 9.32 miles from Cefn.

51.53--3.25

Location: westbound between junctions J1 (Avonmouth) and J2 (Chepstow) .

Due to: Roadworks.



Period : from 21:04 on 10 March 2026 to 06:00 on 11 March 2026.

Lanes Closed : All lanes are closed.
Nearest town: 18.52 miles from Cefn.

51.6--2.62

Location: northbound entry slip at junction J19 (Portishead) .

Lane Closures : Lane two is closed.

Due to: Barrier repairs.



Period : expect disruption until 06:00 on 11 March 2026.

Lanes Closed : There is one of two lanes closed.
Nearest town: 16.57 miles from Cefn.

51.48--2.71

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .

Lane Closures : Lane four is closed.

Due to: Roadside Drains Works.



Period : expect disruption until 06:00 on 11 March 2026.

Lanes Closed : There is one of four lanes closed.
Nearest town: 16.15 miles from Cefn.

51.48--2.72

Location: southbound between junctions J18 (Bristol) and J19 (Portishead) .

Lane Closures : Lane four is closed.

Due to: Roadside Drains Works.



Period : expect disruption until 06:00 on 11 March 2026.

Lanes Closed : There is one of four lanes closed.
Nearest town: 17.05 miles from Cefn.

51.49--2.69

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .

Due to: Roadworks scheme.



Period : from 20:10 on 10 March 2026 to 06:00 on 11 March 2026.
Nearest town: 14.18 miles from Cefn.

51.44--2.82

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .

Lane Closures : The hard shoulder and lane 1 are closed.

Due to: Roadworks.



Period : expect disruption until 06:00 on 11 March 2026.

Lanes Closed : There is one of three lanes closed.
Nearest town: 14.35 miles from Cefn.

51.45--2.8

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .

Lane Closures : The hard shoulder and lane 1 are closed.

Due to: Roadworks.



Period : expect disruption until 06:00 on 11 March 2026.

Lanes Closed : There is one of four lanes closed.
Nearest town: 14.18 miles from Cefn.

51.44--2.82

Location: eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .

Lane Closures : Lane two is closed.

Due to: Roadworks.



Period : expect disruption until 06:00 on 11 March 2026.

Lanes Closed : There is one of two lanes closed.
Nearest town: 16.79 miles from Cefn.

51.62--2.67

Location: westbound between the M4 and junction J1 (Avonmouth) .

Lane Closures : Lane two is closed.

Due to: Roadworks.



Period : expect disruption until 06:00 on 11 March 2026.

Lanes Closed : There is one of two lanes closed.
Nearest town: 19.24 miles from Cefn.

51.6--2.61

Location: northbound at junction J18A (South Wales) .

Due to: Roadworks scheme.



Period : from 08:01 on 6 March 2026 to 18:00 on 10 March 2026.
Nearest town: 17.11 miles from Cefn.

51.5--2.68

Location: northbound at junction J18A (South Wales) .

Lane Closures : The hard shoulder is closed.

Due to: Roadworks.



Period : expect disruption until 18:00 on 10 March 2026.
Nearest town: 17.36 miles from Cefn.

51.5--2.67

Location: northbound at junction J18 (Bristol) .

Lane Closures : The hard shoulder is closed.

Due to: Roadworks.



Period : expect disruption until 18:00 on 10 March 2026.
Nearest town: 17.11 miles from Cefn.

51.5--2.68

Location: northbound at junction J20 (Nailsea) .

Lane Closures : The hard shoulder and lane 1 are closed.

Due to: Emergency Roadside Drains works.



Period : expect disruption until 04:00 on 11 March 2026.

Lanes Closed : There is one of three lanes closed.
Nearest town: 14.12 miles from Cefn.

51.43--2.84

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: 17.26 miles from Cefn.

51.57--2.65

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: 16.81 miles from Cefn.

51.57--2.66

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: 13.39 miles from Cefn.

51.58--2.74

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: 13.39 miles from Cefn.

51.58--2.74

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: 16.79 miles from Cefn.

51.62--2.67

Location: northbound between junctions J21 (Weston super Mare) and J20 (Nailsea) .

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 16 March 2026 to 21 March 2026.

Lanes Closed : There will be two of three lanes closed.
Nearest town: 15.82 miles from Cefn.

51.39--2.86

Location: westbound at junction J1 (Avonmouth) .

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 13 March 2026 to 15 March 2026.

Lanes Closed : There will be one of two lanes closed.
Nearest town: 18.81 miles from Cefn.

51.6--2.62

Location: eastbound exit slip at junction J1 (Avonmouth) .

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 13 March 2026 to 15 March 2026.

Lanes Closed : All lanes will be closed.
Nearest town: 18.63 miles from Cefn.

51.6--2.62

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 13 March 2026 to 15 March 2026.

Lanes Closed : All lanes will be closed.
Nearest town: 16.79 miles from Cefn.

51.62--2.67

Location: southbound entry slip at junction J18 (Bristol) .

Lane Closures : Lane one will be closed.

Due to: Horticultural works are planned.

Status : Pending.

Schedule : From 20:00 on 13 March 2026 to 06:00 on 14 March 2026.

Lanes Closed : All lanes will be closed.
Nearest town: 17.47 miles from Cefn.

51.5--2.67

Location: The junction of the M5 J18 (Bristol) and the M49 .

Lane Closures : Lane one will be closed.

Due to: Horticultural works are planned.

Status : Pending.

Schedule : From 20:00 on 13 March 2026 to 06:00 on 14 March 2026.

Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.61 miles from Cefn.

51.5--2.67

Location: southbound exit slip at junction J18 (Bristol) .

Lane Closures : Lane one will be closed.

Due to: Horticultural works are planned.

Status : Pending.

Schedule : From 20:00 on 13 March 2026 to 06:00 on 14 March 2026.

Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.72 miles from Cefn.

51.51--2.66

Location: northbound entry slip at junction J19 (Portishead) .

Lane Closures : Lane two will be closed.

Due to: Road repairs are planned.

Status : Pending.

Schedule : From 20:00 on 13 March 2026 to 06:00 on 16 March 2026.

Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.57 miles from Cefn.

51.48--2.71

Location: northbound entry slip from the M5 Avonmouth.

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Horticultural works are planned.

Status : Pending.

Schedule : From 20:00 on 11 March 2026 to 06:00 on 12 March 2026.

Lanes Closed : All lanes will be closed.
Nearest town: 17.41 miles from Cefn.

51.5--2.67

Location: northbound entry slip at junction J18 (Bristol) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Horticultural works are planned.

Status : Pending.

Schedule : From 20:00 on 11 March 2026 to 06:00 on 12 March 2026.

Lanes Closed : All lanes will be closed.
Nearest town: 17.13 miles from Cefn.

51.5--2.68

Location: westbound.

Lane Closures : Lane one will be closed.

Due to: Horticultural works are planned.

Status : Pending.

Schedule : From 20:00 on 11 March 2026 to 06:00 on 12 March 2026.

Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.85 miles from Cefn.

51.5--2.69

Location: eastbound.

Lane Closures : Lane one will be closed.

Due to: Horticultural works are planned.

Status : Pending.

Schedule : From 20:00 on 11 March 2026 to 06:00 on 12 March 2026.

Lanes Closed : There will be one of three lanes closed.
Nearest town: 16.83 miles from Cefn.

51.5--2.69

Location: The junction of the M5 J18 (Bristol) and the A4 .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Horticultural works are planned.

Status : Pending.

Schedule : From 20:00 on 12 March 2026 to 06:00 on 13 March 2026.

Lanes Closed : All lanes will be closed.
Nearest town: 16.66 miles from Cefn.

51.5--2.69

Location: eastbound.

Lane Closures : Lane one will be closed.

Due to: Horticultural works are planned.

Status : Pending.

Schedule : From 20:00 on 12 March 2026 to 06:00 on 13 March 2026.

Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.54 miles from Cefn.

51.5--2.69

Location: southbound entry slip at junction J19 (Portishead) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadside drains works are planned.

Status : Pending.

Schedule : From 21:00 on 12 March 2026 to 06:00 on 13 March 2026.

Lanes Closed : All lanes will be closed.
Nearest town: 16.55 miles from Cefn.

51.48--2.71

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .

Due to: Roadside drains works are planned.

Status : Pending.

Schedule : From 21:00 on 12 March 2026 to 06:00 on 13 March 2026.
Nearest town: 16.15 miles from Cefn.

51.48--2.72

Location: southbound at junction J19 (Portishead) .

Due to: Roadside drains works are planned.

Status : Pending.

Schedule : From 21:00 on 12 March 2026 to 06:00 on 13 March 2026.
Nearest town: 16.5 miles from Cefn.

51.48--2.71

Location: westbound at junction J1 (Avonmouth) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Emergency roadworks are planned.

Status : Pending.

Schedule : From 20:00 on 12 March 2026 to 06:00 on 13 March 2026.

Lanes Closed : All lanes will be closed.
Nearest town: 18.96 miles from Cefn.

51.6--2.61

Location: westbound entry slip at junction J22 (Avonmouth) .

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 12 March 2026 to 06:00 on 13 March 2026.

Lanes Closed : All lanes will be closed.
Nearest town: 17.03 miles from Cefn.

51.57--2.66

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 12 March 2026 to 06:00 on 13 March 2026.

Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.12 miles from Cefn.

51.56--2.66

Location: northbound entry slip at junction J18 (Bristol) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Barrier repairs are planned.

Status : Pending.

Schedule : Expect disruption everyday between 09:00 and 16:00 from 11 March 2026 to 12 March 2026.

Schedule : From 09:00 on 13 March 2026 to 15:00 on 13 March 2026.

Lanes Closed : All lanes will be closed.
Nearest town: 17.13 miles from Cefn.

51.5--2.68

Location: northbound between junctions J19 (Portishead) and J18 (Bristol) .

Lane Closures : Lanes 1, 2 and 3 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 20:30 on 20 March 2026 to 08:00 on 21 March 2026.

Schedule : From 19:30 on 21 March 2026 to 09:00 on 22 March 2026.

Lanes Closed : There will be three of four lanes closed.
Nearest town: 16.75 miles from Cefn.

51.48--2.71

Location: northbound at junction J19 (Portishead) .

Lane Closures : Lanes 1, 2 and 3 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 20:30 on 20 March 2026 to 08:00 on 21 March 2026.

Schedule : From 19:30 on 21 March 2026 to 09:00 on 22 March 2026.

Lanes Closed : All lanes will be closed.
Nearest town: 16.49 miles from Cefn.

51.48--2.71

Location: southbound between junctions J17 (Bristol West) and J18 (Bristol) .

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 09:00 on 12 March 2026 to 16:00 on 12 March 2026.
Nearest town: 17.96 miles from Cefn.

51.51--2.65

Location: westbound entry slip at junction J22 (Avonmouth) .

Due to: Road repairs are planned.

Status : Pending.

Schedule : From 21:00 on 11 March 2026 to 06:00 on 12 March 2026.

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: 17.03 miles from Cefn.

51.57--2.66

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 11 March 2026 to 06:00 on 12 March 2026.

Schedule : From 21:00 on 13 March 2026 to 06:00 on 14 March 2026.

Schedule : From 21:00 on 16 March 2026 to 06:00 on 17 March 2026.

Lanes Closed : All lanes will be closed.
Nearest town: 17.26 miles from Cefn.

51.57--2.65

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 : From 21:00 on 11 March 2026 to 06:00 on 12 March 2026.

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 : There will be one of two lanes closed.
Nearest town: 17.12 miles from Cefn.

51.56--2.66

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 11 March 2026 to 06:00 on 12 March 2026.

Lanes Closed : All lanes will be closed.
Nearest town: 16.81 miles from Cefn.

51.57--2.66

Location: eastbound between junctions J23 (Chepstow) and J22 (Avonmouth) .

Due to: Roadworks scheme is planned.

Status : Pending.

Schedule : From 21:00 on 11 March 2026 to 06:00 on 12 March 2026.
Nearest town: 13.39 miles from Cefn.

51.58--2.74

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 11 March 2026 to 06:00 on 12 March 2026.

Lanes Closed : All lanes will be closed.
Nearest town: 13.39 miles from Cefn.

51.58--2.74

Location: eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 20:00 on 11 March 2026 to 06:00 on 12 March 2026.

Lanes Closed : All lanes will be closed.
Nearest town: 16.79 miles from Cefn.

51.62--2.67

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .

Due to: Roadworks scheme is planned.

Status : Pending.

Schedule : From 20:00 on 11 March 2026 to 06:00 on 21 March 2026.
Nearest town: 14.18 miles from Cefn.

51.44--2.82

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .

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 11 March 2026 to 14 March 2026.

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 three lanes closed.
Nearest town: 14.35 miles from Cefn.

51.45--2.8

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .

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 11 March 2026 to 14 March 2026.

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 four lanes closed.
Nearest town: 14.18 miles from Cefn.

51.44--2.82

Location: The junction of the M5 J18 (Bristol) and the M49 .

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 08:00 on 11 March 2026 to 18:00 on 11 March 2026.
Nearest town: 17.61 miles from Cefn.

51.5--2.67

Location: northbound between junctions J19 (Portishead) and J18 (Bristol) .

Lane Closures : Lanes 2, 3 and 4 are closed.

Due to: Roadworks.



Period : expect disruption until 06:00 on 11 March 2026.

Lanes Closed : There are three of four lanes closed.
Nearest town: 16.75 miles from Cefn.

51.48--2.71

Location: northbound at junction J19 (Portishead) .

Lane Closures : Lanes 2 and 3 are closed.

Due to: Roadworks.



Period : expect disruption until 06:00 on 11 March 2026.

Lanes Closed : There are two of three lanes closed.
Nearest town: 16.49 miles from Cefn.

51.48--2.71

Location: southbound between junctions J18 (Bristol) and J19 (Portishead) .

Lane Closures : Lane four is closed.

Due to: Roadworks.



Period : expect disruption until 06:00 on 11 March 2026.

Lanes Closed : There is one of four lanes closed.
Nearest town: 17.28 miles from Cefn.

51.5--2.68

Location: eastbound between junctions J2 (Chepstow) and J1 (Avonmouth) .

Lane Closures : Lane one will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 10:00 on 11 March 2026 to 15:00 on 11 March 2026.

Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.79 miles from Cefn.

51.62--2.67

Location: southbound entry slip at junction J19 (Portishead) .

Due to: Horticultural works are planned.

Status : Pending.

Schedule : Expect disruption everyday between 08:00 and 17:00 from 11 March 2026 to 13 March 2026.

Schedule : Expect disruption everyday between 08:00 and 17:00 from 16 March 2026 to 17 March 2026.
Nearest town: 16.55 miles from Cefn.

51.48--2.71

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .

Due to: Horticultural works are planned.

Status : Pending.

Schedule : Expect disruption everyday between 08:00 and 17:00 from 11 March 2026 to 13 March 2026.

Schedule : Expect disruption everyday between 08:00 and 17:00 from 16 March 2026 to 17 March 2026.
Nearest town: 16.15 miles from Cefn.

51.48--2.72

Location: northbound between junctions J18A (South Wales) and J17 (Bristol West) .

Due to: Barrier repairs are planned.

Status : Pending.

Schedule : Expect disruption everyday between 08:00 and 17:00 from 11 March 2026 to 13 March 2026.

Schedule : Expect disruption everyday between 08:00 and 17:00 from 16 March 2026 to 20 March 2026.
Nearest town: 17.76 miles from Cefn.

51.51--2.66

Location: northbound between junctions J18A (South Wales) and J17 (Bristol West) .

Due to: Barrier repairs are planned.

Status : Pending.

Schedule : Expect disruption everyday between 08:00 and 17:00 from 11 March 2026 to 13 March 2026.

Schedule : Expect disruption everyday between 08:00 and 17:00 from 16 March 2026 to 20 March 2026.
Nearest town: 18.14 miles from Cefn.

51.51--2.65

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .

Lane Closures : The hard shoulder is closed.

Due to: Roadworks.



Period : expect disruption until 17:00 on 13 March 2026.
Nearest town: 14.94 miles from Cefn.

51.45--2.78

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .

Due to: Barrier repairs are planned.

Status : Pending.

Schedule : Expect disruption everyday between 08:00 and 17:00 from 11 March 2026 to 13 March 2026.

Schedule : Expect disruption everyday between 08:00 and 17:00 from 16 March 2026 to 20 March 2026.
Nearest town: 14.88 miles from Cefn.

51.45--2.78

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .

Lane Closures : The hard shoulder and lane 1 are closed.

Due to: Roadworks.



Period : expect disruption until 06:00 on 11 March 2026.

Lanes Closed : There is one of three lanes closed.
Nearest town: 15.04 miles from Cefn.

51.45--2.78

Location: southbound at junction J18 (Bristol) .

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 12 March 2026 to 14 March 2026.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 21 March 2026.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 23 March 2026 to 28 March 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: 17.45 miles from Cefn.

51.5--2.67

Location: southbound between junctions J18 (Bristol) and J19 (Portishead) .

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 12 March 2026 to 14 March 2026.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 21 March 2026.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 23 March 2026 to 28 March 2026.

Schedule : From 21:00 on 30 March 2026 to 06:00 on 31 March 2026.

Lanes Closed : There will be three of four lanes closed.
Nearest town: 17.28 miles from Cefn.

51.5--2.68

Location: northbound at junction J19 (Portishead) .

Lane Closures : Lanes 1, 2 and 3 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 12 March 2026 to 06:00 on 13 March 2026.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 16 March 2026 to 20 March 2026.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 23 March 2026 to 28 March 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: 16.75 miles from Cefn.

51.48--2.71

Location: northbound between junctions J19 (Portishead) and J18 (Bristol) .

Lane Closures : The hard shoulder, lanes 1, 2 and 3 are closed.

Due to: Roadworks.



Period : expect disruption until 06:00 on 13 March 2026.

Lanes Closed : There are three of four lanes closed.
Nearest town: 16.49 miles from Cefn.

51.48--2.71