M4 rush hour ‘traffic problem’ blocks part of route – live updates

A “traffic problem” has blocked part of the M4 in Neath Port Talbot. The road is affected westbound at junction 43, Llandarcy.

The incident happened at around 5pm and traffic is building. Traffic maps show slow moving queues from Cwmrhydyceirw to Port Talbot.

Live updates to follow below.

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