Documentaries

'What is left of wales' lost motorway?' is today's question 

This video is the only one covering the A48(M) in detail (until Auto Shenanigans covers it at some point)

This video covers the M49's oddities such as an half built abandoned junction 

In the 1950s, London's M16 motorway was the largest and busiest in the UK. But today, the huge motorway is all but forgotten - a lost relic of the city's past.

Once apart of Britain's first motorway now reduced to nothing