Route 155 or Highway 155 may refer to:
Canada
Prince Edward Island Route 155 (Thompson Road)
Quebec Route 155.svg.png)
Saskatchewan Highway 155
Winnipeg Route 155
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Costa Rica
National Route 155
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Japan
Japan National Route 155
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United States
Interstate 155.svg.png)
U.S. Route 155 (former proposal)
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 Jersey Route 155 (former)
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 (Texas)
Utah State Route 155
Vermont Route 155
Virginia State Route 155
Washington State Route 155
Wisconsin Highway 155
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- Territories
Puerto Rico Highway 155
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| Previous | Lists of highways | Next |
|---|---|---|
| 154 | 155 | 156 |