History of Secondary Highway 664:
Secondary Highway 664 is a local highway in the District of Kenora that serves as an access road from Highway 72 to Hudson, located southwest of Sioux Lookout. The highway was created in 1974, when Highway 116 was formally re-designated as a Secondary Highway by an Order-in-Council, effective August 7, 1974. Highway 116 was subsequently renumbered as Highway 664 in 1974. Highway 664 is paved for its entire length. Unless posted otherwise, the speed limit on Highway 664 is 80 km/h (50 mph). Services are only available at the Highway 72 Junction at Patricia.