A disabled car caused extensive and prolonged delays on the westbound M4 near Newport.

The incident caused the road to be temporarily closed at the 27 High Cross intersection until the last lane reopened at 2:30 pm. Travel time from Junction 24 to Junction 27 at 3pm was approximately 20 minutes.

Images from Traffic Wales show several police cars at the scene just before 2pm.

You can follow live updates below.

Delay about 10 minutes, average speed 20 mph

Delays of approximately 10 minutes remain between Junction 23A at Magor and Junction 26 at Malpas Road. The average speed is around 20 km/h.

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Bus service says delays to be expected

Shortly after 3pm, Newport Bus said delays on some services were expected due to what it described as a “highway accident”. At the moment, the company does not specify which services it applies to.

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From Magor to exit 26, the delay is 15 minutes.

Currently, delays are approximately 15 minutes from Magor westbound to Junction 26 Malpas. The images below show the latest developments in Caerleon to the west (top image) and Christchurch to the west.

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Now wait 20 minutes

Since the third lane at Junction 27 reopened at 2:30 pm, congestion has decreased significantly. Waiting time from Coldra to Tredegar Park on the M4 is now 20 minutes.

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The wait time is now 30 minutes.

Exit 24 wait time is now 30 minutes. The following image from AA Updates shows the day 24 congestion for Brynglas.

There is also congestion on the A4051 for ten minutes between Pillmawr Road and the A4042.

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Now all lanes are open, traffic jams remain

All lanes on the M4 have now reopened, but congestion remains from Coldra at Junction 24 to Tredegar Park at Junction 28. According to AA updates, average speeds are still below 10mph and delays are still more than 40 minutes from the end of the queue.

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The photo shows the current road situation.

The following image from Traffic Wales shows recent congestion in St Julian’s between Junctions 24 and 25.

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One lane is banned and the car has been impounded.

The vehicle was removed from the road. One lane, third lane remains closed. Traffic is still very heavy.

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The delay is more than 50 minutes.

Delays on the westbound M4 are now in excess of 50 minutes. There are long delays, with two lanes closed due to a police incident. According to Traffic Wales, the incident was described as a car breakdown. From 24 Coldra to 27 High Cross, traffic is very congested. According to the Inrix traffic control system, traffic is still at a standstill.

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scene pictures

The following image from Traffic Wales shows increased traffic on the westbound M4 at Malpas Road and Caerleon.

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