On 2017\07\27 09:24, tim... wrote:

in the quadrant of London where I grew up, in the 50 year since I was
old enough to remember the road layout, where trunk routes are concerned
there's been one major junction improvement and about a mile of "bypass"
road

And, I think, that's it

South West London: York Circus and the adjoining Trinity Road, Swandon
Way and Armoury Way?