How poor public transport policy is putting the brake on cities Letters

The Guardian - David Andrews suggests a tram network could be the answer to Londonmp;#146;s clogged streets, while V Narayanan says unused cycle lanes are a waste of valuable road spaceYour analysis of slowing buses in global cities sets out the mechanism exactly, and the remedy follows from it (London buses in decline? Why public transport in global cities is slowing to a crawl mp;#150; visualised, 23 September).Transport for Londonmp;#146;s own calculation that a 10 fall in speed costs 6 of de