The following highways are numbered 402:

Canada

• Newfoundland and Labrador Route 402
• Ontario Highway 402

Costa Rica

• National Route 402

Japan

• Japan National Route 402

United States

• Colorado State Highway 402
• Florida:
  • Florida State Road 402
  • County Road 402 (Brevard County, Florida)
• Georgia State Route 402 (unsigned designation for Interstate 20)
• Maryland Route 402
• New York:
  • New York State Route 402 (former)
  • County Route 402 (Albany County, New York)
  • County Route 402 (Erie County, New York)
• North Carolina Highway 402 (former)
• Oregon Route 402
• Pennsylvania Route 402
• Puerto Rico Highway 402
• Rhode Island Route 402
• South Carolina Highway 402
• Texas:
  • Texas State Highway Loop 402 (former)
  • Farm to Market Road 402
• Virginia State Route 402
  • Virginia State Route 402 (former)