Traffic Pentwyn mawr

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SEVERE
FULL SCREEN UPDATED: 18:32
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Current traffic around Pentwyn mawr

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

J24 COLDRA TO J26 MALPAS
Description: M4WestboundJ24 (Newport) Coldra to J26 (Newport) MalpasCongestionDelay: s possible :, Start time: 17/02/2026 15:26 , Expected end time: 17/02/2026 19:26, Severity: Moderate, Source: Welsh Government, Last updated: 17/02/2026 15:26
Nearest town: 9.82 miles from Pentwyn mawr. CLEARED @ 15:42
A48 INTERCHANGE TO M4 J33 CAPEL LLANILLTERN
Description: A4232NorthboundA48 Interchange to M4 J33 Capel LlanillternCongestionDelay: s possible :, Start time: 17/02/2026 14:31 , Expected end time: 17/02/2026 18:31, Severity: Moderate, Source: Welsh Government, Last updated: 17/02/2026 14:31
Nearest town: 12.62 miles from Pentwyn mawr. CLEARED @ 14:42
PONTYPRIDD TO ABERCYNON
Description: A470NorthboundPontypridd to Abercynon16/02/26-21/02/26 2000-0600ClosedDiversions in place :, Start time: 16/02/2026 20:00 , End Date: 21/02/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 16/02/2026 20:00
Nearest town: 6.84 miles from Pentwyn mawr.
PENTREBACH TO ABERCYNON
Description: A470SouthboundPentrebach to Abercynon17/02/26-18/02/26 1900-0100ClosedDiversions in place :, Start time: 17/02/2026 19:00 , End Date: 18/02/2026 1:00, Severity: Road closure, Source: Welsh Government, Last updated: 15/02/2026 18:07
Nearest town: 7.5 miles from Pentwyn mawr.
GILWERN (GLANBAIDEN ROUNDABOUT) TO ABERGAVENNY HARDWICK R/BOUT
Description: A465EastboundGilwern (Glanbaiden Roundabout) to Abergavenny Hardwick R/bout17/02/26-20/02/26 2000-0600ClosedDiversions in place :, Start time: 17/02/2026 20:00 , End Date: 20/02/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 15/02/2026 17:33
Nearest town: 12.39 miles from Pentwyn mawr. CLEARED @ 17:54
RAGLAN TO USK
Description: A449SouthboundRaglan to Usk16/02/26-21/02/26 2000-0600ClosedDiversions in place :, Start time: 16/02/2026 20:00 , End Date: 21/02/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 16/02/2026 20:00
Nearest town: 14.96 miles from Pentwyn mawr. CLEARED @ 16:42
J25A GROVE PARK
Description: M4EastboundJ25A (Newport) Grove ParkOnslipClosed29/01/26-20/02/26, Start time: 29/01/2026 13:55 , End Date: 20/02/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 29/01/2026 13:56
Nearest town: 8.86 miles from Pentwyn mawr. CLEARED @ 15:42
J25A GROVE PARK TO J25 CAERLEON
Description: M4EastboundJ25A (Newport) Grove Park to J25 (Caerleon) Caerleon29/01/26-20/02/26 inside laneClosed :, Start time: 29/01/2026 13:45 , End Date: 20/02/2026 13:45, Severity: Slight, Source: Welsh Government, Last updated: 29/01/2026 13:47
Nearest town: 9.11 miles from Pentwyn mawr. CLEARED @ 15:42


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 23 Feb 2026 to 06:00 on 25 Feb 2026.
Nearest town: 19.12 miles from Pentwyn mawr.
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 23 Feb 2026 to 25 Feb 2026.
Lanes Closed: All lanes will be closed.
Nearest town: 19.12 miles from Pentwyn mawr.

Traffic in Nearby Villages

Pentwyn mawr

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Elsewhere on the web:

National Highways TrafficNational Highways England

Official source of traffic updates.

Transport for LondonTransport for London (TFL)

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

Traffic WalesTraffic Wales

The Welsh government's traffic information service for Wales.

Traffic ScotlandTraffic Scotland

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

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Description: M4 : Westbound : J24 (Newport) Coldra to J26 (Newport) Malpas : Congestion : Delays possible :, Start time: 17/02/2026 15:26 , Expected end time: 17/02/2026 19:26, Severity: Moderate, Source: Welsh Government, Last updated: 17/02/2026 15:26
Nearest town: 9.82 miles from Pentwyn mawr.

51.6--2.96

Description: A4232 : Northbound : A48 Interchange to M4 J33 Capel Llanilltern : Congestion : Delays possible :, Start time: 17/02/2026 14:31 , Expected end time: 17/02/2026 18:31, Severity: Moderate, Source: Welsh Government, Last updated: 17/02/2026 14:31
Nearest town: 12.62 miles from Pentwyn mawr.

51.49--3.29

Description: A470 : Northbound : Pontypridd to Abercynon : 16/02/26-21/02/26 2000-0600 : Closed : Diversions in place :, Start time: 16/02/2026 20:00 , End Date: 21/02/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 16/02/2026 20:00
Nearest town: 6.84 miles from Pentwyn mawr.

51.62--3.32

Description: A470 : Southbound : Pentrebach to Abercynon : 17/02/26-18/02/26 1900-0100 : Closed : Diversions in place :, Start time: 17/02/2026 19:00 , End Date: 18/02/2026 1:00, Severity: Road closure, Source: Welsh Government, Last updated: 15/02/2026 18:07
Nearest town: 7.5 miles from Pentwyn mawr.

51.68--3.34

Description: A465 : Eastbound : Gilwern (Glanbaiden Roundabout) to Abergavenny Hardwick R/bout : 17/02/26-20/02/26 2000-0600 : Closed : Diversions in place :, Start time: 17/02/2026 20:00 , End Date: 20/02/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 15/02/2026 17:33
Nearest town: 12.39 miles from Pentwyn mawr.

51.82--3.05

Description: A449 : Southbound : Raglan to Usk : 16/02/26-21/02/26 2000-0600 : Closed : Diversions in place :, Start time: 16/02/2026 20:00 , End Date: 21/02/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 16/02/2026 20:00
Nearest town: 14.96 miles from Pentwyn mawr.

51.73--2.84

Description: M4 : Eastbound : J25A (Newport) Grove Park : Onslip : Closed : 29/01/26-20/02/26, Start time: 29/01/2026 13:55 , End Date: 20/02/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 29/01/2026 13:56
Nearest town: 8.86 miles from Pentwyn mawr.

51.6--2.98

Description: M4 : Eastbound : J25A (Newport) Grove Park to J25 (Caerleon) Caerleon : 29/01/26-20/02/26 inside lane : Closed :, Start time: 29/01/2026 13:45 , End Date: 20/02/2026 13:45, Severity: Slight, Source: Welsh Government, Last updated: 29/01/2026 13:47
Nearest town: 9.11 miles from Pentwyn mawr.

51.6--2.98

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

Due to: Roadworks scheme is planned.

Status : Pending.

Schedule : From 21:00 on 23 February 2026 to 06:00 on 25 February 2026.
Nearest town: 19.12 miles from Pentwyn mawr.

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 23 February 2026 to 25 February 2026.

Lanes Closed : All lanes will be closed.
Nearest town: 19.12 miles from Pentwyn mawr.

51.58--2.74