The Canadian American Railroad (reporting mark CDAC) was a railroad that operated between Brownville Junction, Maine and Lennoxville, Quebec. The railroad later expanded west to Farnham, Quebec and then St-Jean-sur-Richelieu, Quebec with running rights on Canadian Pacific Railway (CP) to Montreal, Quebec. CDAC was established in 1994 and operated as a railroad between 1995 and 2002. It was owned by transportation holding company Iron Road Railways.