There's severe delays on the M4 in Cardiff due to an obstruction on the road. The M4 westbound is partially blocked, ...

Drivers on the M4 are stuck in mile-long queues amid a multi-car crash which shut two lanes on the busy road. The crash, involving five vehicles – three cars and two vans – has closed two lanes near ...

All traffic on a stretch of the M4 has been stopped following a fire. Traffic monitoring site Inrix reports: "All traffic ...

Traffic was queuing for around five miles along the M4, and a further five miles back along the M32, according to maps. It is not clear what caused the congestion. This blog is now closed.

The lane is closed to allow for emergency repairs on the M4 westbound before Junction 15 on the A419 Marlborough Road. The repairs were first reported on 4.14pm on Wednesday, January 29.

One of the casualties from the crash, which happened on the M4 motorway early on Tuesday, was seriously injured. He was trapped in his car for more two hours before being freed and taken to hospital.