Canderwater was an interchange north of present junction 9, removed when the motorway was extended.
Road scheme and chronology data is courtesy SABRE (where much of it was gathered by member Ross Spur), with additional data from the UK Motorway Archive, the Scottish Roads Archive and the Northern Ireland Roads Site.
Road numbering is a system with clear rules. What happens when the people responsible for numbering roads don't follow them?
National Highways are spending a third of a billion pounds rebuilding one of the most congested junctions on the M25. Is it money well spent?
Oxford's Zero Emission Zone is just a trial, but transport policy in Oxford has become the catalyst for pitched battles and drawn in protestors from across the UK. What's happening to this genteel university town?
Manchester's highway in the sky, carrying traffic around the city centre and rapidly becoming an iconic part of the city's heritage.