The following highways are numbered 302:

Canada

• Manitoba Provincial Road 302
• Nova Scotia Route 302
• Prince Edward Island Route 302
• Saskatchewan Highway 302

China

• China National Highway 302

India

• National Highway 302 (India)

Japan

• Japan National Route 302

Philippines

• N302 highway (Philippines)

Thailand

• Thailand Route 302

United States

• U.S. Route 302
• Connecticut Route 302
• Georgia State Route 302
  • Georgia State Route 302 Spur
• Kentucky Route 302
• Louisiana Highway 302
• Maryland Route 302
• Minnesota State Highway 302 (former)
• Mississippi Highway 302
• Montana Secondary Highway 302
• New York State Route 302
• North Carolina Highway 302 (former)
• Ohio State Route 302
• Pennsylvania Route 302 (former)
• South Carolina Highway 302
• Tennessee State Route 302
• Texas:
  • Texas State Highway 302
  • Texas State Highway Spur 302
  • Farm to Market Road 302
• Utah State Route 302
• Virginia State Route 302
  • Virginia State Route 302 (former)
• Washington State Route 302
  • 
    Washington State Route 302 Spur

Other areas:

• Puerto Rico Highway 302
• U.S. Virgin Islands Highway 302