Politicians must be brave on 20mph speed limit | Letters

John Rigby explains how a determined York council managed to reduced accidents in the face of driver hostility. Plus letters from Richard Toon and Peter TaylorThe move to restrict 20mph speed limits is an illustration of how far politics has moved from evidence-based policy (Ministers consider curbs on councils’ use of 20mph speed limits, 30 July). Time was when a Conservative government would care about road casualties.Back in the late 1980s, local authorities were set a government target