List of highways numbered 422

The following highways are numbered 422:

Canada

• Manitoba Provincial Road 422
• Newfoundland and Labrador Route 422

Japan

• Route 422 (Japan)

United States

• Interstate 422 (future)
• U.S. Route 422
• Georgia State Route 422 (unsigned designation for Georgia State Route 10 Loop)
• Louisiana Highway 422
• Maryland Route 422
• New York State Route 422 (former)
• Oregon Route 422
  • Oregon Route 422S
• Puerto Rico Highway 422
• Tennessee State Route 422
• Texas State Highway Spur 422

See also

• Special routes of U.S. Route 422

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