The road measures 2.01 miles long and would take a car obeying speed limits 7 minutes to travel its length.
The B221 is a B Road and is located in the Zone 2 Highways Region.
This is a true long-distance route, journeying through numerous towns like Brixton, Stockwell, Clapham, Clapham Common, Streatham Hill, and Balham.
The road is located entirely within Greater London.