Traffic Merthyr Dyfan

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FULL SCREEN UPDATED: 11:01
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Current traffic around Merthyr Dyfan

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

SOUTHBOUND
Description: A470Now clearSouthboundNantgarw to Coryton, Start time: 05/12/2025 8:35 , Expected end time: 05/12/2025 8:40, Severity: Moderate, Source: Welsh Government, Last updated: 05/12/2025 8:35
Nearest town: 9.01 miles from Merthyr Dyfan. CLEARED @ 09:54
NANTGARW TO CORYTON
Description: A470SouthboundNantgarw to CorytonCongestionDelay: s possible :, Start time: 05/12/2025 7:13 , Expected end time: 05/12/2025 10:13, Severity: Moderate, Source: Welsh Government, Last updated: 05/12/2025 7:13
Nearest town: 9.01 miles from Merthyr Dyfan. CLEARED @ 07:18


There are no current incidents in this location.

Roadworks

ROAD WORKS
Location: The M5 southbound exit slip at junction J21 (Weston super Mare) .
Lane closures: Lane two will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 20:00 on 5 Dec 2025 to 05:00 on 6 Dec 2025.
Lanes Closed: There will be one of two lanes closed.
Nearest town: 17.15 miles from Merthyr Dyfan.
ROAD WORKS
Location: The M5 northbound exit slip at junction J21 (Weston super Mare) .
Lane closures: Lane two will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 20:00 on 5 Dec 2025 to 05:00 on 6 Dec 2025.
Lanes Closed: There will be one of two lanes closed.
Nearest town: 17.13 miles from Merthyr Dyfan.
ROAD WORKS
Location: The M5 northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Reason: Roadworks scheme.
Status: Currently Active.
Period: from 20:10 on 4 Dec 2025 to 06:00 on 6 Dec 2025.
Nearest town: 19.83 miles from Merthyr Dyfan.
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: From 20:00 on 5 Dec 2025 to 06:00 on 6 Dec 2025.
Lanes Closed: There will be one of four lanes closed.
Nearest town: 19.83 miles from Merthyr Dyfan.
ROAD WORKS
Location: The M5 northbound between junctions J22 (Burnham on Sea) and J21 (Weston super Mare) .
Reason: Horticultural works are planned.
Status: Pending.
Schedule: From 08:00 on 11 Dec 2025 to 16:00 on 11 Dec 2025.
Nearest town: 17.68 miles from Merthyr Dyfan.
ROAD WORKS
Location: The M5 northbound entry slip at junction J21 (Weston super Mare) .
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 20:00 on 8 Dec 2025 to 06:00 on 9 Dec 2025.
Lanes Closed: All lanes will be closed.
Nearest town: 17.09 miles from Merthyr Dyfan.
ROAD WORKS
Location: The M5 northbound between junctions J21 (Weston super Mare) and J20 (Nailsea) .
Lane closures: Lane one will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 20:00 on 8 Dec 2025 to 06:00 on 9 Dec 2025.
Lanes Closed: There will be one of three lanes closed.
Nearest town: 17.13 miles from Merthyr Dyfan.
ROAD WORKS
Location: The M5 northbound between junctions J21 (Weston super Mare) and J20 (Nailsea) .
Lane closures: Lane one will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 21:00 on 8 Dec 2025 to 06:00 on 9 Dec 2025.
Lanes Closed: There will be one of three lanes closed.
Nearest town: 18.71 miles from Merthyr Dyfan.
ROAD WORKS
Location: The M5 southbound between junctions J20 (Nailsea) and J22 (Burnham on Sea) .
Lane closures: Lanes 1 and 2 will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 21:00 on 5 Dec 2025 to 06:00 on 6 Dec 2025.
Schedule: Expect disruption everyday between 20:00 and 06:00 from 8 Dec 2025 to 10 Dec 2025.
Schedule: Expect disruption everyday between 21:00 and 06:00 from 10 Dec 2025 to 13 Dec 2025.
Lanes Closed: There will be two of three lanes closed.
Nearest town: 18.21 miles from Merthyr Dyfan.
ROAD WORKS
Location: The M5 northbound between junctions J22 (Burnham on Sea) and J20 (Nailsea) .
Lane closures: Lanes 1 and 2 will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 20:00 on 5 Dec 2025 to 06:00 on 6 Dec 2025.
Schedule: Expect disruption everyday between 20:00 and 06:00 from 15 Dec 2025 to 19 Dec 2025.
Lanes Closed: There will be two of three lanes closed.
Nearest town: 17.53 miles from Merthyr Dyfan.
ROAD WORKS
Location: The M5 northbound at junction J20 (Nailsea) .
Lane closures: Lane one will be closed.
Reason: Emergency roadside drains works are planned.
Status: Pending.
Schedule: Expect disruption everyday between 20:00 and 04:00 from 5 Dec 2025 to 28 Mar 2026.
Schedule: From 20:00 on 28 Mar 2026 to 04:00 on 29 Mar 2026.
Schedule: Expect disruption everyday between 20:00 and 04:00 from 29 Mar 2026 to 1 Apr 2026.
Lanes Closed: There will be one of three lanes closed.
Nearest town: 19.11 miles from Merthyr Dyfan.

Traffic in Nearby Villages

Merthyr Dyfan

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Elsewhere on the web:

National Highways TrafficNational Highways England

Official source of traffic updates.

Transport for LondonTransport for London (TFL)

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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: A470 : Now clear : Southbound : Nantgarw to Coryton, Start time: 05/12/2025 8:35 , Expected end time: 05/12/2025 8:40, Severity: Moderate, Source: Welsh Government, Last updated: 05/12/2025 8:35
Nearest town: 9.01 miles from Merthyr Dyfan.

51.54--3.26

Description: A470 : Southbound : Nantgarw to Coryton : Congestion : Delays possible :, Start time: 05/12/2025 7:13 , Expected end time: 05/12/2025 10:13, Severity: Moderate, Source: Welsh Government, Last updated: 05/12/2025 7:13
Nearest town: 9.01 miles from Merthyr Dyfan.

51.54--3.26

Location: southbound exit slip at junction J21 (Weston super Mare) .

Lane Closures : Lane two will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 20:00 on 5 December 2025 to 05:00 on 6 December 2025.

Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.15 miles from Merthyr Dyfan.

51.37--2.89

Location: northbound exit slip at junction J21 (Weston super Mare) .

Lane Closures : Lane two will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 20:00 on 5 December 2025 to 05:00 on 6 December 2025.

Lanes Closed : There will be one of two lanes closed.
Nearest town: 17.13 miles from Merthyr Dyfan.

51.36--2.89

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

Due to: Roadworks scheme.



Period : from 20:10 on 4 December 2025 to 06:00 on 6 December 2025.
Nearest town: 19.83 miles from Merthyr Dyfan.

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 : From 20:00 on 5 December 2025 to 06:00 on 6 December 2025.

Lanes Closed : There will be one of four lanes closed.
Nearest town: 19.83 miles from Merthyr Dyfan.

51.44--2.82

Location: northbound between junctions J22 (Burnham on Sea) and J21 (Weston super Mare) .

Due to: Horticultural works are planned.

Status : Pending.

Schedule : From 08:00 on 11 December 2025 to 16:00 on 11 December 2025.
Nearest town: 17.68 miles from Merthyr Dyfan.

51.33--2.89

Location: northbound entry slip at junction J21 (Weston super Mare) .

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 20:00 on 8 December 2025 to 06:00 on 9 December 2025.

Lanes Closed : All lanes will be closed.
Nearest town: 17.09 miles from Merthyr Dyfan.

51.36--2.89

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

Lane Closures : Lane one will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 20:00 on 8 December 2025 to 06:00 on 9 December 2025.

Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.13 miles from Merthyr Dyfan.

51.36--2.89

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

Lane Closures : Lane one will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 8 December 2025 to 06:00 on 9 December 2025.

Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.71 miles from Merthyr Dyfan.

51.42--2.85

Location: southbound between junctions J20 (Nailsea) and J22 (Burnham on Sea) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 5 December 2025 to 06:00 on 6 December 2025.

Schedule : Expect disruption everyday between 20:00 and 06:00 from 8 December 2025 to 10 December 2025.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 10 December 2025 to 13 December 2025.

Lanes Closed : There will be two of three lanes closed.
Nearest town: 18.21 miles from Merthyr Dyfan.

51.39--2.86

Location: northbound between junctions J22 (Burnham on Sea) and J20 (Nailsea) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 20:00 on 5 December 2025 to 06:00 on 6 December 2025.

Schedule : Expect disruption everyday between 20:00 and 06:00 from 15 December 2025 to 19 December 2025.

Lanes Closed : There will be two of three lanes closed.
Nearest town: 17.53 miles from Merthyr Dyfan.

51.34--2.89

Location: northbound at junction J20 (Nailsea) .

Lane Closures : Lane one will be closed.

Due to: Emergency roadside drains works are planned.

Status : Pending.

Schedule : Expect disruption everyday between 20:00 and 04:00 from 5 December 2025 to 28 March 2026.

Schedule : From 20:00 on 28 March 2026 to 04:00 on 29 March 2026.

Schedule : Expect disruption everyday between 20:00 and 04:00 from 29 March 2026 to 1 April 2026.

Lanes Closed : There will be one of three lanes closed.
Nearest town: 19.11 miles from Merthyr Dyfan.

51.43--2.84