List of highways numbered 427

Canada

• Manitoba [Provincial Road 427]
• Ontario Highway 427

  India

• National Highway 427 (India)

  Japan

• Japan [National Route 427]

  United States

• County Road 427 (Seminole County, Florida)
• Indiana [State Road 427]
• * County Road 427 (DeKalb County, Indiana)
• Nevada [State Route 427]
• New [York State Route 427]
• * New York State Route 427
• Pennsylvania Route 427
• Puerto Rico Highway 427
• Texas [State Highway Loop 427]