UPDATE 8.10pm: Both lanes are now reopen, though tailbacks continue to cause delays.
UPDATE 7.11pm: Multiple vehicles are on the hard shoulder and a lorry is blocking both lanes.
UPDATE 7.06pm: Two lanes remain closed, there is queueing traffic for 5.6 miles due to multi-vehicle accident on the M4 Prince of Wales Bridge westbound.
Two lanes of the M4 are closed westbound following a crash.
Traffic officers are heading to the scene but delays are expected.
The incident, between Junction 22 and Junction 23 of the M4 Westbound, has closed lane 1 and lane 2.
🚨Collision - #M4 Westbound from J22 to J23🚨
— Traffic Wales South #KeepWalesSafe (@TrafficWalesS) September 18, 2020
Lanes 1 and 2 are currently closed, Traffic Officers are en route.
Expect delays. ⌚️#TrafficWalesAlerts
Tailbacks are causing severe delays of up to 60 minutes according to Traffic Wales.
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