<p>A method of laying a road characterized by spraying and impregnating a roadbed with 1 g/m<2> to 500 g/m<2> of a liquid water-repellent agent and then laying a road on said roadbed wherein said liquid water repellent agent is fluid at ordinary temperatures and contains as the main ingredients one or more compounds chosen from among silane-type compounds and organopolysiloxane derivatives. <IMAGE></p>
