Are bituminous roads damaged by salt

5 1 10 Are bituminous roads damaged by salt Williamson, P.J. Primary Author mixed material TRRL 1968 A method of laying low voltage heating elements in a bridge surfacing Williamson, P.J. Primary Author mixed material TRRL 1969 Electrical road heating Williamson, P.J. Primary Author mixed material TRRL 1969 An electrical analogue solution of the equations governing the cooling of a road structure by convection Williamson, P.J. Primary Author mixed material TRRL 1967 The estimation of heat outputs for road heating installations Williamson, P.J. Primary Author mixed material s.n.