M4 motorway

Behind Wales' traffic cameras in Christmas rush. Video, 00:01:38Behind Wales' traffic cameras in Christmas rush

Man dies in two-vehicle collision on M4

Suspect drove wrong way on motorway fleeing police

Next train is the first to the city since 1962

M4 reopens after multi-vehicle crash

Overturned road sweeper causes motorway delays

M4 reopens after barrier damage from lorry crash

Huw Sledge-wards and Ian Slush among new gritters

Better links between Wales and England recommended

Man dies after being hit by lorry on motorway

M4 reopens after collision causes seven-mile queue

Drivers face disruption as motorway works begin

Fatal wrong-way crash haunts near-miss drivers

Unravelling the moment a car drove wrong way on M4. Video, 00:01:59Unravelling the moment a car drove wrong way on M4

M4 westbound reopens after two-vehicle crash

Drunk HGV driver led police on 'terrifying' chase

New injunction sought over motorway protests

New 50mph limits will start being enforced

M4 closed for weekend smart motorway works

Cow closes M4 lanes after wandering on to motorway

M4 reopens after crash left carriageway shut

M4 reopens after three-hour closure