Buses are tested for stability at Aldenham, and double-checked at Chiswick skid patch.
Unissued / unused material - dates and locations may be unclear / unknown.
Various shots, London Transport double-decker bus being tested by tilting it to a steep angle to see if it will tip over. CU Hand of tiltometer.
Various shots, double decker buses being driven on a skid patch sprayed with water, executing 180 degree turns.
Note: Unused shots and offcuts from item CP 112.