|Location Map ( geo)|
|Courtlands Drive is the white/orange road running SW-NE in the middle of the map|
|From:||The Grove (TQ090987)|
|To:||Leavesden Green (TQ094996)|
|Distance:||0.7 miles (1.1 km)|
|Met:||A411, B4539, A41|
|Route outline (key)|
The northern section of the road (between Chilcott Road and the A41) was the B4539 for many years and remained so as the A4163 number was never used. That road no longer exists so the whole of the would-be A4163 is now unclassified.