International Freight Systems Inc. operates out of three prime locations along Canada's busiest highway, Highway 401, each of which has its own benefits. Our head office is located along the Windsor-Toronto corridor with easy access to the Windsor-Detroit border crossing, easily the busiest border crossing in North America. The Tilbury office gives great access to the U.S. with a direct connection to I-75 in Detroit, MI. While the Oshawa office provides access to Ottawa, Montreal, and the North-Eastern U.S. border crossings. Oshawa is also minutes from Canada's largest city, Toronto.