The
A1 is the longest numbered road in the UK, at . It connects
London, the capital of England and the United Kingdom, with
Edinburgh, the capital of Scotland. It passes through and near
North London,
Hatfield,
Welwyn Garden City,
Stevenage,
Baldock,
Letchworth Garden City,
Huntingdon,
Peterborough,
Grantham,
Newark-on-Trent,
Retford,
Doncaster,
Leeds,
Harrogate,
York,
Ripon,
Darlington,
Durham,
Gateshead,
Newcastle upon Tyne, and
Berwick-upon-Tweed.