Originally Posted by
Asturias56
Oddly enough they were planning to build N of the Bath Road (the proposed location for R3) as early as 1944. In all the discussions it seems that the old A4 road was sacrosanct - I can't find any discussion of rerouting it or putting it in a tunnel,
I believe the 9-runway plan (referenced above) involved putting the A4 into a tunnel.