The road measures 23.24 miles long and would take a car obeying speed limits 42 minutes to travel its length.
The B1166 is a B Road and is located in the Zone 1 Highways Region.
This is a true long-distance route, journeying through numerous towns like Market Deeping, Deeping Gate, Deeping St. James, Crowland, Whaplode Drove, Holbeach Drove, Gedney Hill, Thorney, Throckenholt, Parson Drove, Murrow, Wisbech St. Mary, and Leverington.
The road connects Lincolnshire and Cambridgeshire.