List of highways numbered 478
The following highways are numbered 478:
Australia
- Back Beach Road
Canada
- Manitoba Provincial Road 478
Japan
- Japan National Route 478
United States
- Interstate 478
- County Road 478
- * County Road 478A
- Louisiana Highway 478
- Maryland Route 478
- New Mexico State Road 478
- Pennsylvania Route 478
- Puerto Rico Highway 478
- Farm to Market Road 478
- Texas State Highway Loop 478