The following highways are numbered 314:
Canada Manitoba Provincial Road 314 Prince Edward Island Route 314
China China National Highway 314
Costa Rica National Route 314
India National Highway 314 (India)
Japan Japan National Route 314
United States Arkansas Highway 314 Connecticut Route 314 Florida State Road 314 (former) Georgia State Route 314 Iowa Highway 314 (former) Louisiana Highway 314 Maryland Route 314 Mississippi Highway 314 Montana Secondary Highway 314 New Mexico State Road 314 New York State Route 314 New York State Route 314 (former) Ohio State Route 314 Pennsylvania Route 314 South Carolina Highway 314 South Dakota Highway 314 Tennessee State Route 314 Texas: Texas State Highway 314 (former) Farm to Market Road 314 Utah State Route 314 Vermont Route 314 Virginia State Route 314 Virginia State Route 314 (former) Wyoming Highway 314
Other areas: Puerto Rico Highway 314 U.S. Virgin Islands Highway 314