Edinburgh is about to get a major 20mph area. It could have been bigger/better by including some 'main' roads but there were 'comments' - notably by the Police and Lothian Buses.
There's an interesting exchange on Twitter
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Living Streets @livingstreets
77 pedestrians & 16 cyclists killed in London last yr. Write to ftr Mayor and ask for 20mph #cityof20 bit.ly/cityof20 @TransportToday
https://twitter.com/livingstreets/status/174536329550512128
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In reply -
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Kate Carpenter @CarpenterKate
@livingstreets ...yes to self-enforcing well designed 20mph, no to just putting up signs - Cambridge showed this INCREASED speeds in places!
https://twitter.com/CarpenterKate/status/174541058179469312
Kate Carpenter @CarpenterKate
@livingstreets how many of those hit @ speeds that a 20mph limit would change? Left-turn-lorry+cyclist would not be prevented by 20mph...
https://twitter.com/CarpenterKate/status/174540588698443777
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Kate Carpenter @CarpenterKateRoad
Safety Professional passionate about evidence/intelligence for casualty prevention and public health through road design, operation and network management.
https://twitter.com/CarpenterKate
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Useful variation on the discussion here -
http://citycyclingedinburgh.info/bbpress/topic.php?id=5458&page=2#post-58699
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