The road measures 18.86 miles long and would take a car obeying speed limits 28 minutes to travel its length.
The B6478 is a B Road and is located in the Zone 6 Highways Region.
This is a true long-distance route, journeying through numerous towns like CLITHEROE, Waddington, Newton In Bowland, Slaidburn, Tosside, Wigglesworth, and Long Preston.
The road connects Lancashire and North Yorkshire.