Two fantastic engineering structures, an almost-closed services and a bypassed motorway, all at once!
Heading into Cardiff from the east. But what is the mysterious abandoned carriageway?
Cardiff's other A48(M) - but this time it heads west!
Swansea's lost and forgotten motorway
One of Wales's first motorways, now just a part of the M4.
Britain's second toll motorway?
Finding local Pathetic Motorways, by their geographical location