European route E13 is part of the International E-road network. It runs most of the length of the M1 motorway in the United Kingdom, from South Yorkshire to London. The E13 follows the route Doncaster â Sheffield â Nottingham â Leicester â Northampton â Luton â London, and is long.
Although the United Kingdom government participates fully in the E-road network, E-routes are not signposted within the United Kingdom.