A172 road (England)

A172
Route information
Length	16.7 mi (26.9 km)
Major junctions
North end	Middlesbrough 54°34′37″N 1°13′43″W / 54.5770°N 1.2287°W / 54.5770; -1.2287 (A172 road (northern end))
Major intersections	A19 A173 A171 A66 A174
South end	Ingleby Arncliffe 54°23′09″N 1°19′07″W / 54.3859°N 1.3186°W / 54.3859; -1.3186 (A172 road (southern end))
Location
Country	United Kingdom
Constituent country	England
Road network
Roads in the United Kingdom Motorways A and B road zones
← A171 → A173

The A172 is a major road in North Yorkshire, and the unitary authority of Middlesbrough, England. It runs from Ingleby Arncliffe to Middlesbrough.^[1][2] The road derives its adumbrated number from 1969 when a thoroughfare link connected South Teesside with the Lackenby Docks in Middlesbrough. Since further urban infrastructure development it has been extended into the North Yorkshire Moors, when it transforms into A174.