What Does It Mean When a Prank 60 Mph Sign Goes Unnoticed?
As long as automobiles were "pleasure cars" there were few grounds for tolerating the injury and death they caused.
Peter D. Norton • Fighting Traffic: The Dawn of the Motor Age in the American City (Inside Technology)
The first traffic light was installed on Westminster Bridge in London in 1868, to improve the safety of pedestrians. John Peake Knight, a railway engineer, invented a set of semaphore arms, mounted on a tall post on the bridge, that could be raised and lowered manually by a policeman. Raised arms meant vehicles and horses had to stop “to allow the
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