List of highways numbered 434 explained

The following highways are 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 (former)
• Pennsylvania Route 434
• Puerto Rico Highway 434
• Texas:
  • Texas State Highway Loop 434
  • Farm to Market Road 434
• Wyoming Highway 434