The road measures 21.23 miles long and would take a car obeying speed limits 49 minutes to travel its length.
The A124 is a A Road and is located in the Zone 1 Highways Region.
This is a true long-distance route, journeying through numerous towns like Docklands, Plaistow, East Ham, BARKING, ILFORD, DAGENHAM, ROMFORD, UPMINSTER, and HORNCHURCH.
The road is located entirely within Greater London.