The A19 is a major road in England running approximately parallel to and east of the A1 road. Although the two roads meet at the northern end of the A19, the two roads originally met at the southern end of the A19 in Doncaster, but the old route of the A1 was changed to the A638. From Sunderland northwards, the route was formerly the A108. In the past the route was known as the East of Snaith-York-Thirsk-Stockton-on-Tees-Sunderland Trunk Road. Most traffic joins the A19, heading for Teesside, from the A168 at Dishforth Interchange.

The A1, also known as the Great North Road, is the longest numbered road in the United Kingdom, at 410 miles (660 km). It connects London, the capital of England, with Edinburgh, the capital of Scotland. The numbering system for A-roads, devised in the early 1920s, was based around patterns of roads radiating from two hubs at London and Edinburgh. The first number in the system, A1, was given to the most important part of that system: the road from London to Edinburgh, joining the two central points of the system and linking the UK's (then) two mainland capital cities. It passes through or near north London, Hatfield, Welwyn Garden City, Stevenage, Baldock, Letchworth Garden City, Biggleswade, Eaton Socon, Buckden, Peterborough, Stamford, Grantham, Newark-on-Trent, Retford, Doncaster, Pontefract, York, Wetherby, Ripon, Darlington, Durham, Gateshead, Newcastle upon Tyne, Morpeth, Alnwick and Berwick-upon-Tweed.