Traffic Blackweir

Cities
Blackweir
ADD A ROAD
Nearby: CardiffBarryCaerphillyPontypriddNewportPorth

SLIGHT

SEVERE

FULL SCREEN UPDATED: 16:51

Current traffic around Blackweir

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

A48 INTERCHANGE TO M4 J33 CAPEL LLANILLTERN

Description: A4232NorthboundA48 Interchange to M4 J33 Capel LlanillternCongestionDelay: s possible :, Start time: 14/09/2026 15:34 , Expected end time: 14/09/2026 18:34, Severity: Moderate, Source: Welsh Government, Last updated: 14/09/2026 15:34
Nearest town: 3.96 miles from Blackweir. CLEARED @ 16:18

NANTGARW

Description: A470NorthboundNantgarwCyclic maintenanceExit slip road closedDiversion07/09/26-19/09/26 2000-0600 :, Start time: 07/09/2026 20:00 , End Date: 19/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 07/09/2026 20:00
Nearest town: 6.14 miles from Blackweir. CLEARED @ 16:18

J34 MISKIN

Description: M4WestboundJ34 (Llantrisant) MiskinResurfacing workExit slip road closedEntry slip road closedDiversion11/09/26-15/09/26 2000-0600 :, Start time: 11/09/2026 20:00 , End Date: 15/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 11/09/2026 20:00
Nearest town: 7.44 miles from Blackweir. CLEARED @ 16:18

J32 CORYTON

Description: M4EastboundJ32 (Cardiff) CorytonResurfacing workEntry slip road closedDiversions in place17/09/26-18/09/26 2000-0600 :, Start time: 17/09/2026 20:00 , End Date: 18/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 03/09/2026 16:24
Nearest town: 3.48 miles from Blackweir. CLEARED @ 16:18

J32 CORYTON

Description: M4SouthboundJ32 (Cardiff) CorytonResurfacing workOffslip closedDiversions in place17/09/26-18/09/26 2000-0600 :, Start time: 17/09/2026 20:00 , End Date: 18/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 03/09/2026 16:25
Nearest town: 3.48 miles from Blackweir. CLEARED @ 16:18

CORYTON

Description: A470WestboundCoryton14/09/26-15/09/26 2000-0600Resurfacing workClosedDiversions in place :, Start time: 14/09/2026 20:00 , End Date: 15/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/09/2026 7:49
Nearest town: 3.58 miles from Blackweir. CLEARED @ 16:18

CORYTON

Description: A470WestboundCoryton15/09/26-22/09/26 2000-0600J32M4 Resurfacing workClosedDiversions in place :, Start time: 15/09/2026 20:00 , End Date: 22/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/09/2026 7:55
Nearest town: 3.58 miles from Blackweir. CLEARED @ 16:18

NANTGARW

Description: A470NorthboundNantgarw07/09/26-19/09/26 2000-0600Maintenance workExit slip road closedClosedDiversions in place :, Start time: 07/09/2026 20:00 , End Date: 19/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/09/2026 8:00
Nearest town: 6.14 miles from Blackweir. CLEARED @ 16:18

ABERCARNAID TO ABERCYNON

Description: A470SouthboundAbercarnaid to Abercynon19/09/26-20/09/26 1900-0600Carriageway maintenanceClosedDiversions in place :, Start time: 19/09/2026 19:00 , End Date: 20/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/09/2026 7:47
Nearest town: 8.45 miles from Blackweir. CLEARED @ 16:18

There are no current incidents in this location.

Roadworks

Traffic in Nearby Villages

Cathays (0.62mi)
Pontcanna (0.62mi)
Maindy (0.62mi)
Riverside (0.62mi)
Cathays Park (0.62mi)
Monmouthshire and Brecon Canal (0.83mi)
Gabalfa (0.88mi)
Mynachdy (0.88mi)
Caerdydd (Cardiff) (0.88mi)
Cardiff (Caerdydd) (0.88mi)
Canton (0.88mi)
Roath (1.24mi)
Llandaff (1.24mi)
Heath (1.24mi)
Llandaff North (1.39mi)
Pen y lan (1.39mi)
Splott (1.39mi)
Roath Park (1.39mi)
Tremorfa (1.86mi)
Grangetown (1.86mi)
Birchgrove (1.96mi)
Cyncoed (1.96mi)
Butetown (1.96mi)
Whitchurch (2.24mi)
East Moors (2.24mi)
Leckwith (2.24mi)
Fairwater (2.48mi)
Llanishen (2.49mi)
Ely (2.56mi)
Llandough (Llandochau) (2.56mi)
Llandochau (Llandough) (2.56mi)
Llanedeyrn (2.63mi)

Blackweir

Let's Get Social

Get in touch with us or stay up to date with our latest news and updates.

Live Email Traffic Alerts

Get live email alerts whenever there is a traffic incident or roadworks on the on the roads you travel that may cause congestion or jams.

LEGAL NOTICE

Please remember that it is against the law to use your mobile phone, tablet or any electronic device without a hands-free kit whilst driving. If you're caught by the police using any device that can send or receive data whilst driving or riding a motorcyle you'll get an automatic fixed penalty notice, 6 points on your licence and a fine of £200. A court could also disqualify you from driving.

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.

YOUR AD HERE

Advertise to millions of motorists, holidaymakers and commuters.

Description: A4232 : Northbound : A48 Interchange to M4 J33 Capel Llanilltern : Congestion : Delays possible :, Start time: 14/09/2026 15:34 , Expected end time: 14/09/2026 18:34, Severity: Moderate, Source: Welsh Government, Last updated: 14/09/2026 15:34
Nearest town: 3.96 miles from Blackweir.

51.49--3.29

Description: A470 : Northbound : Nantgarw : Cyclic maintenance : Exit slip road closed : Diversion : 07/09/26-19/09/26 2000-0600 :, Start time: 07/09/2026 20:00 , End Date: 19/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 07/09/2026 20:00
Nearest town: 6.14 miles from Blackweir.

51.56--3.27

Description: M4 : Westbound : J34 (Llantrisant) Miskin : Resurfacing work : Exit slip road closed : Entry slip road closed : Diversion : 11/09/26-15/09/26 2000-0600 :, Start time: 11/09/2026 20:00 , End Date: 15/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 11/09/2026 20:00
Nearest town: 7.44 miles from Blackweir.

51.51--3.36

Description: M4 : Eastbound : J32 (Cardiff) Coryton : Resurfacing work : Entry slip road closed : Diversions in place : 17/09/26-18/09/26 2000-0600 :, Start time: 17/09/2026 20:00 , End Date: 18/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 03/09/2026 16:24
Nearest town: 3.48 miles from Blackweir.

51.53--3.25

Description: M4 : Southbound : J32 (Cardiff) Coryton : Resurfacing work : Offslip closed : Diversions in place : 17/09/26-18/09/26 2000-0600 :, Start time: 17/09/2026 20:00 , End Date: 18/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 03/09/2026 16:25
Nearest town: 3.48 miles from Blackweir.

51.53--3.25

Description: A470 : Westbound : Coryton : 14/09/26-15/09/26 2000-0600 : Resurfacing work : Closed : Diversions in place :, Start time: 14/09/2026 20:00 , End Date: 15/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/09/2026 7:49
Nearest town: 3.58 miles from Blackweir.

51.53--3.25

Description: A470 : Westbound : Coryton : 15/09/26-22/09/26 2000-0600 : J32 : M4 Resurfacing work : Closed : Diversions in place :, Start time: 15/09/2026 20:00 , End Date: 22/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/09/2026 7:55
Nearest town: 3.58 miles from Blackweir.

51.53--3.25

Description: A470 : Northbound : Nantgarw : 07/09/26-19/09/26 2000-0600 : Maintenance work : Exit slip road closed : Closed : Diversions in place :, Start time: 07/09/2026 20:00 , End Date: 19/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/09/2026 8:00
Nearest town: 6.14 miles from Blackweir.

51.56--3.27

Description: A470 : Southbound : Abercarnaid to Abercynon : 19/09/26-20/09/26 1900-0600 : Carriageway maintenance : Closed : Diversions in place :, Start time: 19/09/2026 19:00 , End Date: 20/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/09/2026 7:47
Nearest town: 8.45 miles from Blackweir.

51.58--3.31

Except where otherwise noted, content and photographs on this site are licensed under a Creative Commons Attribution 3.0 License.
Owned, operated and copyright CliqTo Ltd 2026 and Chris Haycock. Registered company number 7575287.

Radio Jingle by Oleg Fedak from Pixabay