The road measures 7.17 miles long and would take a car obeying speed limits 15 minutes to travel its length.
The A4128 is a A Road and is located in the Zone 4 Highways Region.
This is a true long-distance route, journeying through numerous towns like HIGH WYCOMBE, Hughenden, Hughenden Valley, Cryers Hill, Great Kingshill, GREAT MISSENDEN, and Prestwood.
The road is located entirely within Buckinghamshire.