List of highways numbered 408
Route 408 or Highway 408 may refer to:
Canada
- Manitoba [Provincial Road 408]
Costa Rica
- National Route 408
Japan
- Japan [National Route 408]
United States
- Florida [State Road 408]
- Georgia [State Route 408] |Interstate 475]
- Louisiana Highway 408
- Maryland Route 408
- * Maryland Route 408
- New York:
- * New York State Route 408
- ** New York State Route 408A
- * New York State Route 408
- * County Route 408
- * County Route 408
- Pennsylvania Route 408
- Puerto Rico Highway 408
- Texas [State Highway Spur 408]
- Virginia State Route 408