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 (which runs from South Yorkshire county to its southern terminus in London). The E13 follows the route Doncaster – Sheffield - Nottingham – Leicester – Northampton – Luton – London, and is 277 km (172 mi) long.
Although the United Kingdom government participates fully in the E-road network, E-routes are not signposted within the United Kingdom.
Coordinates: 52°17′12″N 1°06′13″W / 52.2867°N 1.1036°W