M4 motorway

Delays after three-vehicle crash on M4

Fire causes delays on Prince of Wales bridge

Bridge closed for second night of emergency work

Bridge reopens following emergency repairs

Part of bridge closed for emergency repairs

Delays on motorway after crash

Motorway reopens after serious collision

BMW driver arrested for doing 130mph on the M4

Car leaves motorway as driver admits 'falling asleep'

Vehicle fire leads to long queues on motorway

All lanes on M4 reopen after car fire near Bristol

Travel warning as Severn bridge and tunnel to shut

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