The following highways are numbered 478:
Australia
Back Beach Road
Canada Manitoba Provincial Road 478
Japan Japan National Route 478
United States Interstate 478 (unsigned designation for the Brooklyn–Battery Tunnel) County Road 478 (Sumter County, Florida) County Road 478A (Sumter County, Florida) Louisiana Highway 478 Maryland Route 478 New Mexico State Road 478 Pennsylvania Route 478 Puerto Rico Highway 478 Farm to Market Road 478 (Texas) Texas State Highway Loop 478