The following highways are numbered 347:
Australia - Heathcote-Rochester Road
Canada Manitoba Provincial Road 347 Nova Scotia Route 347 Prince Edward Island Route 347 Quebec Route 347
India National Highway 347
Japan Japan National Route 347
United Kingdom A347 road, Ferndown to Bournemouth, Dorset
United States Arizona State Route 347 Arkansas Highway 347 Colorado State Highway 347 County Road 347 (Levy County, Florida) Georgia State Route 347 Maryland Route 347 Mississippi Highway 347 New Jersey Route 347 New Mexico State Road 347 New York: New York State Route 347 (disambiguation) County Route 347 (Erie County, New York) Ohio State Route 347 Pennsylvania Route 347 Puerto Rico Highway 347 Tennessee State Route 347 Texas State Highway 347 Virginia State Route 347