No problem here in Harlow - the Town Centre has been pedestrianised, so all the deliveries have to be round the back, and we don't have cars driving past the shops in the front other, so we don't have to worry about being run over. Except by motorised wheelchairs, of course, and kids on skate boards, but that's not generally too fatal.
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Margaret Thatcher had nothing to do with the imposition of these rules.

So who was it signed up to "The Single Act" which gave legal force to all that stuff?