The road measures 7.29 miles long and would take a car obeying speed limits 12 minutes to travel its length.
The A4129 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 THAME, Towersey, Kingsey, Longwick, and PRINCES RISBOROUGH.
The road connects Oxfordshire and Buckinghamshire.