M4 motorway

Lorry crash causes major delays on M4

What to do if you break down on a smart motorway

Motorists warned of delays ahead of M4 closure

Swansea crash closes road as pedestrian hit by car. Video, 00:00:44Swansea crash closes road as pedestrian hit by car

M4 50mph limit recommended to tackle congestion

M4 lanes reopen after two-car crash

Heavy traffic as M4 re-opens after crash

Road and rail warning as Christmas getaway starts

Six cars crash on M4 motorway in icy conditions

One dead in four-vehicle crash on M4

Driver taken to hospital after metal post hits car

Pedestrian's A34 death was 'tragic accident'

Pedestrian hit by car on M4 'lived life to full'

Motorists warned of delays ahead of M4 closure

Man hit by lorry on motorway dies

Brynglas Tunnel water leak closes M4 westbound

Smart motorways 'too confusing for drivers'

Four-vehicle accident causes motorway delays

Speed limits cut pollution at traffic hotspots

Queues ease after crash on M4 near Newport

M4 relief road alternatives commission set-up

Woman who killed husband in M4 crash spared jail

Bridge demolition closes motorway