The A661 begins in West Yorkshire at the South Wetherby roundabout (adjacent to the Ramada Jarvis Hotel) where it intersects with the A58 (St Helens to Wetherby via Leeds, Bradford and Halifax) and slip roads for the A1.
The A661 finishes at the Empress roundabout in Harrogate, where it intersects with the A6040 towards the town centre, and A59, towards Knaresborough and York in one direction and Skipton in the other.
A661 may refer to:
A661 road, a road in England
Bundesautobahn 661 or BAB 661, a German AutobahnSpofforth railway station
Spofforth railway station was a station on the Harrogate–Church Fenton line in Spofforth, North Yorkshire.
A roads in Zone 6 of the Great Britain road numbering scheme