Traffic Cefn Bychan

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Cefn Bychan
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Nearby: PontypoolCwmbranCaerphillyBlaenavonCaerleonEbbw Vale

SLIGHT

SEVERE

FULL SCREEN UPDATED: 12:01

Current traffic around Cefn Bychan

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

TAFF'S WELL

Description: A470NorthboundTaffs Well15/12/25-16/12/25 2000-0600Maintenance workEntry slip road closedDiversions in place :, Start time: 15/12/2025 20:00 , End Date: 16/12/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 13/12/2025 11:42
Nearest town: 10.48 miles from Cefn Bychan.

UPPER BOAT

Description: A470NorthboundUpper Boat18/12/25-20/12/25 2000-0600Maintenance workEntry slip road closedDiversions in place :, Start time: 18/12/2025 20:00 , End Date: 20/12/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 13/12/2025 11:45
Nearest town: 9.16 miles from Cefn Bychan.

UPPER BOAT

Description: A470NorthboundUpper Boat18/12/25-19/12/25 2000-0600Maintenance workExit slip road closedDiversions in place :, Start time: 18/12/2025 20:00 , End Date: 19/12/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 13/12/2025 11:48
Nearest town: 9.16 miles from Cefn Bychan.

M4 J33 CAPEL LLANILLTERN

Description: A4232EastboundM4 J33 Capel Llanilltern11/12/25-19/12/25 2000-0600Maintenance workExit slip road closedDiversions in place :, Start time: 11/12/2025 20:00 , End Date: 19/12/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 13/12/2025 11:38
Nearest town: 13.44 miles from Cefn Bychan.

PONTARGOTHI

Description: A40Both directionsPontargothi16/12/25-15/12/25 0900-1530BridgeEmergency workClosedDiversions in place16/12/25 0900-1530 :, Start time: 16/12/2025 9:00 , End Date: 16/12/2025 15:30, Severity: Road closure, Source: Welsh Government, Last updated: 12/12/2025 9:03
Nearest town: 13.7 miles from Cefn Bychan. CLEARED @ 09:30

PANT IND EST TO CEFN COED

Description: A465WestboundPant Ind Est to Cefn CoedIncidentBroken down vehicleLane closedDelay: s possible :, Start time: 13/12/2025 7:54 , Expected end time: 13/12/2025 11:52, Severity: Slight, Source: Welsh Government, Last updated: 13/12/2025 7:54
Nearest town: 12.96 miles from Cefn Bychan. CLEARED @ 08:06

There are no current incidents in this location.

Roadworks

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 Dec 2025 to 06:00 on 17 Dec 2025.
Nearest town: 17.72 miles from Cefn Bychan.

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 16 Dec 2025 to 06:00 on 17 Dec 2025.
Lanes Closed: All lanes will be closed.
Nearest town: 17.72 miles from Cefn Bychan.

Traffic in Nearby Villages

Cefn Bychan (Newbridge) (0.45mi)
Pantside (0.45mi)
Newbridge (Cefn Bychan) (0.45mi)
Crumlin (0.74mi)
Treowen (1.22mi)
Hafodyrynys (1.23mi)
Cwm Dows (1.25mi)
Chapel of Ease (1.28mi)
Llanfach (1.28mi)
Swffryd (1.29mi)
West End (1.35mi)
Cefn crib (1.45mi)
Trinant (1.62mi)
Pentref y groes (1.79mi)
Kendon (1.79mi)
Croespenmaen (1.79mi)
Pentwyn mawr (1.8mi)
Ton y pistyll (1.8mi)
Ebbw (1.84mi)
Llanhilleth (1.89mi)
Abercarn (1.94mi)
Pen twyn (2.12mi)
Penmaen (2.3mi)
Pantygasseg (2.37mi)

Cefn Bychan

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Elsewhere on the web:

National Highways England

Official source of traffic updates.

Transport for London (TFL)

Transport for London's (TfL) portal for transportation in London.

Traffic Wales

The Welsh government's traffic information service for Wales.

Traffic Scotland

Live traffic conditions and news for Scotland's road network.

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Description: A470 : Northbound : Taffs Well : 15/12/25-16/12/25 2000-0600 : Maintenance work : Entry slip road closed : Diversions in place :, Start time: 15/12/2025 20:00 , End Date: 16/12/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 13/12/2025 11:42
Nearest town: 10.48 miles from Cefn Bychan.

51.54--3.26

Description: A470 : Northbound : Upper Boat : 18/12/25-20/12/25 2000-0600 : Maintenance work : Entry slip road closed : Diversions in place :, Start time: 18/12/2025 20:00 , End Date: 20/12/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 13/12/2025 11:45
Nearest town: 9.16 miles from Cefn Bychan.

51.58--3.29

Description: A470 : Northbound : Upper Boat : 18/12/25-19/12/25 2000-0600 : Maintenance work : Exit slip road closed : Diversions in place :, Start time: 18/12/2025 20:00 , End Date: 19/12/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 13/12/2025 11:48
Nearest town: 9.16 miles from Cefn Bychan.

51.58--3.29

Description: A4232 : Eastbound : M4 J33 Capel Llanilltern : 11/12/25-19/12/25 2000-0600 : Maintenance work : Exit slip road closed : Diversions in place :, Start time: 11/12/2025 20:00 , End Date: 19/12/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 13/12/2025 11:38
Nearest town: 13.44 miles from Cefn Bychan.

51.51--3.31

Description: A40 : Both directions : Pontargothi : 16/12/25-15/12/25 0900-1530 : Bridge : Emergency work : Closed : Diversions in place : 16/12/25 0900-1530 :, Start time: 16/12/2025 9:00 , End Date: 16/12/2025 15:30, Severity: Road closure, Source: Welsh Government, Last updated: 12/12/2025 9:03
Nearest town: 13.7 miles from Cefn Bychan.

51.77--2.86

Description: A465 : Westbound : Pant Ind Est to Cefn Coed : Incident : Broken down vehicle : Lane closed : Delays possible :, Start time: 13/12/2025 7:54 , Expected end time: 13/12/2025 11:52, Severity: Slight, Source: Welsh Government, Last updated: 13/12/2025 7:54
Nearest town: 12.96 miles from Cefn Bychan.

51.77--3.39

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

Due to: Roadworks scheme is planned.

Status : Pending.

Schedule : From 21:00 on 16 December 2025 to 06:00 on 17 December 2025.
Nearest town: 17.72 miles from Cefn Bychan.

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 16 December 2025 to 06:00 on 17 December 2025.

Lanes Closed : All lanes will be closed.
Nearest town: 17.72 miles from Cefn Bychan.

51.58--2.74

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