M4 motorway

Wales international caught speeding at 115mph

M4 fully reopens following coach crash

Plan for homes near motorway 'unacceptable'

Woman commended by police for saving students' lives

Delays after vehicle crashes off motorway

Motorists warned of disruption during M4 closures

M4 reopens 13 hours after fatal three-car crash

M4 motorway brought to halt after fatal crash. Video, 00:00:15M4 motorway brought to halt after fatal crash

M4 crash van driver has life-threatening injuries

Pedestrian dies after motorway crash

Teenage boy dies in crash during police chase

Arrest after M4 driver pictured speeding at 180mph

Drivers' 20mph reminder in Wales this Christmas

Motorway reopens after early morning diesel spill

Cracked bridge over motorway to be demolished

Fatal crash closes stretch of motorway

Man dies in serious collision between car and lorry

M4 pollution charge powers for ministers approved

Proposal submitted for 24-hour M4 service station

Loaded car transporter leaves M4 and overturns

Driver caught speeding at 103 mph on M4

M4 reopens after overturned van cleared

Man found lying on M4 motorway seriously injured