. "1848" . . "1849" . "Conwy Road Tunnel" . . . "Conwy" . "1848" . . . . . "rail bridge" . . "railway bridge over the river Conwy" . . "Conwy Tubular Bridge" . . . "a shorter span" . "141.1224" . . . . "1846" . "Conwy Railway Bridge" . . . . . . . . "Conwy Bridge" . . "3236" . . . . . . . . . "Conwy Railway Bridge" . "12.8016" . "North Wales Coast Line" .