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