Autoroute 13, is a freeway in the urban region of Montreal, Quebec, Canada. Its southern end is at the junction of A-20 on the Island of Montreal near Pierre Elliott Trudeau International Airport. Its northern terminus is at the junction of A-640 near Boisbriand. The road traverses Laval. A-13 is mostly six-laned and tolls were removed.

Autoroute 20 is a Quebec Autoroute, following the Saint Lawrence River through one of the more densely populated parts of Canada, with its central section forming the main route of the Trans-Canada Highway from the A-25 interchange to the A-85 interchange. At 585 km (363.5 mi), it is the longest Autoroute in Quebec. It is one of two main links between Montreal and Quebec City; the other is the A-40.