M4 motorway

How you maintain one of the world's oldest tunnels. Video, 00:00:56How you maintain one of the world's oldest tunnels

Rush hour bridge closure after crash and spillage

Drink-driver caught speeding at more than 100mph

Lorry overturns on motorway sparking hour-long delays

M4 reopens both ways after police incident

Orphaned ducklings are rescued from motorway

M4 reopens after five-vehicle crash

Drivers warned of weekend motorway closure

M4 junction upgrade plans move to the next stage

M4 reopens after lorry carrying hay catches fire

Motorway shut after lorry carrying hay catches fire

M4 closed due to broken-down horsebox

Bridge reopens following strong wind warning

Driver who killed two children could walk streets

Man jailed for driving at more than 140mph. Video, 00:00:59Man jailed for driving at more than 140mph

Child dies after motorway crash

One person dies after crash involving car and lorry

Heartbroken family pay tribute to M4 crash victim

M4 and M5 safety enhancement work nears completion

Motorway exit sliproad blocked after crash

Driver dies after M4 crash between car and lorry

Man dies after van crashes on motorway

Police renew M4 crash appeal after woman, 60, dies