The road measures 12.05 miles long and would take a car obeying speed limits 20 minutes to travel its length.
The B3109 is a B Road and is located in the Zone 3 Highways Region.
This is a true long-distance route, journeying through numerous towns like Rode, Southwick, Wingfield, BRADFORD-ON-AVON, Bradford Leigh, South Wraxall, Box, CORSHAM, and Hawthorn.
The road connects Somerset and Wiltshire.