The following highways are numbered 31C:
New York State Route 317 (NY 317) is a 3.12-mile (5.02 km) long state highway within the town of Elbridge in Onondaga County, New York, in the United States. It begins at an intersection with NY 5 in the village of Elbridge and ends at a junction with NY 31 in the village of Jordan. The highway is known locally as Jordan Road and Main Street.
King's Highway 41, commonly referred to as Highway 41, is a provincially maintained highway in the Canadian province of Ontario. The 159.6-kilometre (99.2 mi) highway travels in a predominantly north–south direction across eastern Ontario, from Highway 7 in Kaladar to Highway 148 in Pembroke. The majority of this distance crosses through a rugged forested region known as Mazinaw Country. However, the route enters the agricultural Ottawa Valley near Dacre. A significant portion of Highway 41 follows the historic Addington Colonization Road, built in 1854.
King's Highway 109, or Highway 109, is a former provincial highway in Ontario. It was used on two separate, unrelated routes during the 1950s and 1960s:
Secondary Highway 500, commonly referred to as Highway 500, was a secondary highway in the Canadian province of Ontario which was first designated in 1956. Its route was renumbered in 1964, becoming:
National Highway 317 is a National Highway in India. This highway runs entirely in the state of West Bengal. It is a secondary route of National Highway 17. This route was earlier part of old national highway 31C. Birpara to Hasimara stretch of this national highway is part of Asian Highway 48.
Secondary Highway 514, commonly referred to as Highway 514, was a secondary highway in the Canadian province of Ontario. It was used on two separate routes from the 1950s to the 1990s: