the city has extensive transport links with other areas of the country. the m1 motorway passes about to the east of the city, linking derby southwards to the london area and northwards to sheffield and leeds. other major roads passing through or near derby include the a6 (historically the main route from london to carlisle, also linking to leicester and manchester), a38 (bodmin to mansfield via bristol and birmingham), a50 (warrington to leicester via stoke-on-trent), a52 (newcastle-under-lyme to mablethorpe, including "brian clough way" linking derby to nottingham) and a61 (derby to thirsk via sheffield and leeds).