List of highways numbered 434

Canada

• Manitoba [Provincial Road 434]
• Newfoundland and Labrador Route 434

  Japan

• Japan [National Route 434]

  United States

• Florida [State Road 434]
• Montana [Secondary Highway 434]
• New York [State Route 434]
• * New York State Route 434
• Pennsylvania Route 434
• Puerto Rico Highway 434
• Texas:
• * Texas [State Highway Loop 434]
• * Farm to Market [Road 434]
• Wyoming Highway 434