List of highways numbered 401

Canada

• British Columbia Highway 401
• Manitoba Provincial Road 401
• Ontario Highway 401

  Costa Rica

• National Route 401

  Japan

• Japan National Route 401

  Norway

• Norwegian County Road 401

  Thailand

• Thailand Route 401

  United States

• U.S. Route 401
• Florida:
• * Florida State Road 401
• * County Road 401
• Georgia State Route 401
• Kentucky Route 401
• Nevada State Route 401
• New York:
• * New York State Route 401
• * County Route 401
• 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