Only lower speed limits will solve traffic problems | Letters

Lower, properly enforced speed limits are the key to tackling all the costs and nuisances of traffic (Letters, 25 March). A report from the Policy Studies Institute in 1996 concluded that speed limits on main roads should be reduced, with the speed limit on motorways certainly no higher than 60mph. The immediate consequence of strict enforcement of lower limits would be reductions in road crashes and casualties, fuel consumption, CO2 emissions and noise. Capacity would be increased. Traffic leve