List of highways numbered 401
The following highways are numbered 401:
Canada
Costa Rica
Cuba
Japan
Norway
Thailand
United States
- U.S. Route 401
- Florida:
- * Florida [State Road 401]
- * County Road 401 (Brevard County, Florida)
- Georgia State Route 401
- Kentucky Route 401
- Louisiana Highway 401
- Nevada State Route 401
- New York:
- * New York State Route 401
- * County Route 401 (Albany County, New York)
- North Carolina Highway 401
- Pennsylvania Route 401
- * Pennsylvania Route 401 Alternate Truck
- Puerto Rico Highway 401
- Rhode Island Route 401
- Virginia State Route 401
- Washington State Route 401