Conservative councillors have claimed the county council “skated on the thinnest of ice” to justify introducing 20mph zones in Cambridgeshire – and claimed consultations had fallen “woefully short” of showing substantial support for them. But Liberal Democrat and Labour councillors, who form the joint administration with independents on the council, have rejected the claims and argued the lower speed limit could create a better environment and save lives. Cllr Steve Count, the leader of the Tory opposition, presented a motion to the full council last week calling for a review of the schemes an…