List of highways numbered 55
- A55 (disambiguation)
- A55 autoroute
- A55 road
- A55 road (Northern Ireland)
- Alabama State Route 55
- Alberta Highway 55
- Arab Mashreq International Road Network
- Arkansas Highway 55 (1926-1958)
- Baikal Highway
- Bundesstraße 55
- California State Route 55
- Carnarvon Highway
- Castlereagh Highway
- Colorado State Highway 55
- Connecticut Route 55
- County Road 55 (Chisago County, Minnesota)
- County Route 55 (Bergen County, New Jersey)
- County Route 55 (Cattaraugus County, New York)
- County Route 55 (Chemung County, New York)
- County Route 55 (Dutchess County, New York)
- County Route 55 (Franklin County, New York)
- County Route 55 (Herkimer County, New York)
- County Route 55 (Lewis County, New York)
- County Route 55 (Madison County, New York)
- County Route 55 (Monmouth County, New Jersey)
- County Route 55 (Niagara County, New York)
- County Route 55 (Onondaga County, New York)
- County Route 55 (Orange County, New York)
- County Route 55 (Oswego County, New York)
- County Route 55 (Otsego County, New York)
- County Route 55 (Putnam County, New York)
- County Route 55 (Rensselaer County, New York)
- County Route 55 (Saratoga County, New York)
- County Route 55 (Schoharie County, New York)
- County Route 55 (St. Lawrence County, New York)
- County Route 55 (Steuben County, New York)
- County Route 55 (Suffolk County, New York)
- County Route 55 (Sullivan County, New York)
- County Route 55 (Warren County, New York)
- D55 road (Croatia)
- European route E55
- Farm to Market Road 55
- Florida State Road 55
- G55 Erenhot–Guangzhou Expressway
- Georgia State Route 55
- Gukjido 55
- Highway 55 (Israel)
- Hwy 55 Burgers, Shakes & Fries
- Idaho State Highway 55
- Illinois Route 55
- Indiana State Road 55
- Indus Highway
- Interstate 55
- Iowa Highway 55
- Jungang Expressway
- K-55 (Kansas highway)
- Karoonda Highway
- Kentucky Route 55
- List of highways numbered 55A
- Louisiana Highway 55
- Louisiana State Route 55
- M-55 (Michigan highway)
- M55 motorway
- Maryland Route 55
- Minnesota State Highway 55
- Missouri Route 55 (1922)
- Montana Highway 55
- N55 road (Belgium)
- N55 road (France)
- N55 road (Ireland)
- National Maximum Speed Law
- National Road 55 (Vietnam)
- Nebraska Highway 55
- Nebraska Link 55K
- Nebraska Link 55W
- Nebraska Link 55X
- Nebraska Recreation Road 55N
- Nebraska Recreation Road 55P
- Nebraska Recreation Road 55R
- Nebraska Recreation Road 55T
- Nebraska Recreation Road 55U
- Nebraska Recreation Road 55V
- Nebraska Spur 55B
- Nebraska Spur 55C
- Nebraska Spur 55D
- Nebraska Spur 55E
- Nebraska Spur 55F
- Nebraska Spur 55G
- Nebraska Spur 55H
- Nebraska Spur 55J
- Nebraska Spur 55M
- Nevada State Route 55
- New Jersey Route 55
- New Mexico State Road 55
- New York State Route 55
- North Carolina Highway 55
- Ohio State Route 55
- Oklahoma State Highway 55
- Pennsylvania Route 55
- Quebec Autoroute 55
- R55 expressway (Czech Republic)
- R55 route
- Road 55 (Iran)
- Route 55 (Japan)
- Saskatchewan Highway 55
- South Carolina Highway 55
- South Dakota Highway 55
- Tennessee State Route 55
- Texas Park Road 55
- Texas State Highway 55
- U.S. Route 55
- U.S. Route 55 (Arizona-Wisconsin)
- Utah State Route 55
- Virginia State Route 55
- West Virginia Route 55
- Wisconsin Highway 55
