ISBN: 0330392638
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There is a fascinating book, among other things about the history of the first footbridge over a road in the UK http://www.amazon.co.uk/Leadville-Biography-A40-Edward-Platt...

There is a picture of it here, with a summary from the book below:

https://secure.flickr.com/photos/justincormack/256217251/

In 1938 the inhabitants started to protest about the rising death toll on Western Avenue, the "Avenue of Speed and Death". They petitioned the Ministry of Transport to impose a speed limit of twenty-five or thirty miles an hour. The ministry said that would be an "ingenious provision" to save lives, but it would be against "the whole object of constructing a road free from congested traffic".

On 21 July 1938 the protestors filed across Western Avenue from the Approach, and then back, causing a huge tailback. The next day the Ministry arranged to build two bridges, one here and one by Gipsy Corner, much to the disgust of the protestors, who thought it would encourage cars to drive faster and to force pedestrians off more roads onto bridges and subways. A week later a thousand people demonstrated again for "their right to cross on the level".

In September the hastily erected bridge was complete, and five hundred people demonstrated against it again. The bridge became a tourist attraction and it was "quite usual to see people from other districts coming to look at it".

In October torchlight processions were held on the road every evening for a week, with a dog with a red light attached to it and four bearers carrying a coffin, and placards saying "We want crossings not coffins".

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