The following highways are numbered 17C:
The Cunningham Highway is a 327-kilometre (203 mi) national highway located in south-eastern Queensland, Australia. The highway links the Darling Downs region with the urbanised outskirts of Ipswich via Cunninghams Gap.
New York State Route 17C (NY 17C) is a state highway in the Southern Tier of New York in the United States. Its western terminus is at an intersection with NY 34 in Waverly, Tioga County while its eastern terminus is at an intersection with U.S. Route 11 (US 11) in Binghamton, Broome County. The route runs concurrently with NY 96 for a block in Owego and for a few blocks with NY 26 in Endicott.
New York State Route 201 (NY 201) is a north–south state highway located west of the city of Binghamton in Broome County, New York. The southern terminus of the route is at NY 434 in Vestal while the northern terminus is at an interchange with NY 17 in Johnson City.
