M4 motorway

Teenage boy absconds from security staff

Overturned portable toilet blocks M4 motorway

'At least 10' emergency service vehicles at crash. Video, 00:00:11'At least 10' emergency service vehicles at crash

Two people hurt in three-vehicle crash

Driver killed in M4 bridge lorry crashed named

Driver dies after lorry crashes off M4 near bridge

Main road in Swansea re-opens after crash

Six-vehicle crash leads to nine-mile M4 queues

M4 delays after car catches fire

Bank holiday travellers warned of delays

Goose chase shuts the M4. Video, 00:00:55Goose chase shuts the M4

Crash causes M4 delays as rain batters Wales

Overturned lorry causes serious congestion

Mark Drakeford 'prepared to spend £1bn on M4'

M4 motorists experience delays of over an hour

Shutting M4 junctions 'would increase city queues'

Motorway cut to 50mph to reduce pollution

'Walkway' rail station plan for Magor

The M4 and us: What about the future?

How the M4 defined 'halfway town'

1976: Rocky road building the M4 in Wales. Video, 00:00:571976: Rocky road building the M4 in Wales

First M4 bilingual signs in 1977. Video, 00:00:46First M4 bilingual signs in 1977

Commuter's 'love-hate' M4 relationship. Video, 00:01:41Commuter's 'love-hate' M4 relationship