On Wed, 26 Jul 2017 11:22:03 +0100, Clive Arthur
wrote:



If you drive 400 miles in a day, then that's mostly motorway or A
roads, so your car will use the 'Salextric' type slots which will be in
the road by then.


It 'would need a bit of heavy engineering , London Trams used such a
system on many of the inner sections of their routes and by the time
they were abandoned they were getting trouble from the edges of the
slot being damaged and bent in by heavier road vehicles, and that was
"heavy" by 1950's std.
And Trams were not doing much above 20-30mph.
Lots of photos at how much engineering was required on here.
http://www.dewi.ca/trains/london/trams.html

A small bit remains visible on the tram tunnel entrance in the road
near Holborn tube station,
https://assets.londonist.com/uploads..._entrance1.jpg

G.Harman