After the m4 from Newport to london was completed in the 60s there were races from Newport to Chiswick. The big goal was to do it in one hour. It used to take place at night and of course there was very little traffic then.
Hi Simon, I'm working on a BBC TV programme and am very interested in featuring your London to Cardiff video within it, I've sent you a message via you tube and facebook, so hope to hear from you soon, Kind Regards, Jane