In message , John Rowland
writes
Stephen Farrow wrote:

And never mind the newer systems - double-decker buses and trams
coexisted perfectly well throughout the first half of the twentieth
century. It's a non-issue.

There are also numerous railway level crossings where lorries and buses pass
beneath much higher voltages, including two in the Enfield/Waltham Cross
area.

Although the railway did get a bit upset when they discovered that the
Lea Valley Leisure open top bus service was passing beneath it!
--
Ian Jelf, MITG
Birmingham, UK

Registered Blue Badge Tourist Guide for London and the Heart of England
http://www.bluebadge.demon.co.uk