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The M181 is a motorway that links the town of Scunthorpe, England, to the M180 motorway. A spur of the M180, the road is virtually straight through its entire 2-mile (3.2 km) length. It was opened in December 1978, at the same time as the section of M180 from junction 3 (A15) to the east side of the River Trent (the bridge was not opened until late 1979). It is also the least used motorway in the UK with its own number. Not for example A1(M). It is also the only spur motorway of a spur motorway.
|Length||2 mi (3 km)|
|South end||East Butterwick|
It begins just outside Scunthorpe, at the junction of the A1077 and A18. There is an out-of-town retail park, known locally as Gallagher Retail Park, which offers a variety of food and retail outlets, and Glanford Park, the home of Scunthorpe United Football Club at this junction. At the other end, the road has a junction for the M180 east, while the main carriageway merges with the M180 west. It has no intermediate junctions. It is built to typical British motorway standards, being two lanes in each direction, plus a hard shoulder for its entire length.
On 16th January 2019 as part of the Lincolnshire Lakes development, North Lincolnshire Council gave the green light for construction of a new roundabout junction along the M181 with the B1450 Burringham Road which would form the terminus of the motorway.
|M181 motorway junctions|
|Southbound exits (B carriageway)||Junction||Northbound exits (A carriageway)||Coordinates|
|Grimsby, Humber Bridge, Doncaster M180||M180, J3||Start of motorway|
|Start of motorway||Terminus||Keadby, Gunness, Scunthorpe A18
Crosby, Barton-upon-Humber A1077