The road measures 23.66 miles long and would take a car obeying speed limits 36 minutes to travel its length.
The B656 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 HITCHIN, St. Ippolyts, Langley, Codicote, WELWYN, LETCHWORTH GARDEN CITY, and BALDOCK.
The road connects Hertfordshire and Hertfordshire.