 It zig-zags through the town, crossing the old Grand Trunk Railroad, now a Canadian National Railway line, next to a large rail depot.It exits Sioux Lookout, ending at an intersection with the Ed Ariano Bypass, Highway 516 and Highway 642 just east of the town.Sioux Lookout and Hudson were both originally accessible only by rail and water when they were established as stops on the Grand Trunk Railway shortly after 1900; roads would not reach the remote area until 1920.