New motorway speed limits have halved pollution in some areas of Wales

LOWER speed limits introduced on high-pollution stretches of the Welsh motorway system have cut in half the levels of harmful emissions in local areas. Figures obtained via Freedom of Information request by Highways¬†magazine¬†found that, on lengths of motorway in Wales limited to 50mph by speed cameras, levels of toxic emissions fell by up to 47%. … Continue reading New motorway speed limits have halved pollution in some areas of Wales