Other roads were justpassable due to ice on Tuesday, including the A4061 in both directions at Nant-y-Moel, Bridgend, and the A4233 Maerdy mountain road in Rhondda Cynon Taf.
Toyota's RAV-4 was down just 14.7%, and Ford's Edge suffered a passable 22.5% decline, although they each sold more than 2, 000 units less than the CR-V.