Traffic Cefn Bychan

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Cefn Bychan
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Nearby: PontypoolCwmbranCaerphillyBlaenavonCaerleonEbbw Vale

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FULL SCREEN UPDATED: 06:04

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:

J33 CAPEL LLANILLTERN

Description: M4WestboundJ33 (Cardiff) Capel Llanilltern18/03/26-25/03/26 2000-0600onslipClosedResurfacing work :, Start time: 18/03/2026 20:00 , End Date: 25/03/2026 6:00, Severity: Severe, Source: Welsh Government, Last updated: 11/03/2026 9:11
Nearest town: 13.37 miles from Cefn Bychan. CLEARED @ 00:18

J34 MISKIN

Description: M4WestboundJ34 (Llantrisant) Miskin18/03/26-25/03/26 2000-0600offslipResurfacing workClosed :, Start time: 18/03/2026 20:00 , End Date: 25/03/2026 6:00, Severity: Severe, Source: Welsh Government, Last updated: 11/03/2026 9:10
Nearest town: 14.59 miles from Cefn Bychan. CLEARED @ 00:18

J33 CAPEL LLANILLTERN TO J34 MISKIN

Description: M4WestboundJ33 (Cardiff) Capel Llanilltern to J34 (Llantrisant) Miskin18/03/26-25/03/26 2000-0600Resurfacing workClosedDiversions in place :, Start time: 18/03/2026 20:00 , End Date: 25/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 11/03/2026 9:08
Nearest town: 14.01 miles from Cefn Bychan. CLEARED @ 00:18

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 18 Mar 2026 to 06:00 on 20 Mar 2026.
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 18 Mar 2026 to 05:00 on 19 Mar 2026.
Schedule: From 21:00 on 19 Mar 2026 to 06:00 on 20 Mar 2026.
Lanes Closed: All lanes will be closed.
Nearest town: 17.72 miles from Cefn Bychan.

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: 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: 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: 17.72 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: M4 : Westbound : J33 (Cardiff) Capel Llanilltern : 18/03/26-25/03/26 2000-0600 : onslip : Closed : Resurfacing work :, Start time: 18/03/2026 20:00 , End Date: 25/03/2026 6:00, Severity: Severe, Source: Welsh Government, Last updated: 11/03/2026 9:11
Nearest town: 13.37 miles from Cefn Bychan.

51.51--3.31

Description: M4 : Westbound : J34 (Llantrisant) Miskin : 18/03/26-25/03/26 2000-0600 : offslip : Resurfacing work : Closed :, Start time: 18/03/2026 20:00 , End Date: 25/03/2026 6:00, Severity: Severe, Source: Welsh Government, Last updated: 11/03/2026 9:10
Nearest town: 14.59 miles from Cefn Bychan.

51.51--3.36

Description: M4 : Westbound : J33 (Cardiff) Capel Llanilltern to J34 (Llantrisant) Miskin : 18/03/26-25/03/26 2000-0600 : Resurfacing work : Closed : Diversions in place :, Start time: 18/03/2026 20:00 , End Date: 25/03/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 11/03/2026 9:08
Nearest town: 14.01 miles from Cefn Bychan.

51.51--3.34

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: 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 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: 17.72 miles from Cefn Bychan.

51.58--2.74

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: 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 : 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: 17.72 miles from Cefn Bychan.

51.58--2.74

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