List of highways numbered 155
Route 155 or Highway 155 may refer to:
Canada
Costa Rica
Japan
United Kingdom
- road
- B155 road
United States
- Interstate 155
- U.S. Route 155
- Alabama State Route 155
- Arkansas Highway 155
- California State Route 155
- Connecticut Route 155
- Florida State Road 155
- Georgia State Route 155
- Illinois Route 155
- Kentucky Route 155
- Louisiana Highway 155
- Maine State Route 155
- Maryland Route 155
- M-155 (Michigan highway)
- New Hampshire Route 155
- * New Hampshire Route 155A
- New Jersey Route 155
- New York State Route 155
- Ohio State Route 155
- Pennsylvania Route 155
- Tennessee State Route 155
- Texas State Highway 155
- * Texas State Highway Loop 155
- * Farm to Market Road 155
- Utah State Route 155
- Vermont Route 155
- Virginia State Route 155
- Washington State Route 155
- Wisconsin Highway 155