The following highways are numbered 334:
Australia
Boort-Mitiamo Rd Echuca-Mitiamo Rd
Canada Manitoba Provincial Road 334 Newfoundland and Labrador Route 334 Nova Scotia Route 334 Prince Edward Island Route 334 Saskatchewan Highway 334
Costa Rica National Route 334
India National Highway 334 (India)
Japan Japan National Route 334
United States Connecticut Route 334 Georgia State Route 334 Indiana State Road 334 (former) Maryland Route 334 New York: New York State Route 334 County Route 334 (Erie County, New York) County Route 334 (Wayne County, New York) Ohio State Route 334 Oregon Route 334 Puerto Rico Highway 334 Tennessee State Route 334 Texas: Texas State Highway 334 Texas State Highway Loop 334 (former) Virginia State Route 334 Wyoming Highway 334