The following highways are numbered 209:

• Manitoba Provincial Road 209
• Nova Scotia Route 209
• Prince Edward Island Route 209
• Quebec Route 209
• Saskatchewan Highway 209

• China National Highway 209

• National Route 209

• National Highway 209 (India)

• Japan National Route 209

• A209 road
• B209 road

• U.S. Route 209 —Pennsylvania and New York
• Alabama State Route 209
• California State Route 209 (former)
• Colorado State Highway 209
• Connecticut Route 209
• Florida State Road 209 (former)
• Georgia State Route 209 (former)
• K-209 (Kansas highway)
• Kentucky Route 209
• Maine State Route 209
• Massachusetts Route 209 (former)
• M-209 (Michigan highway) (former)
• Montana Secondary Highway 209
• New Mexico State Road 209
• New York State, U.S. Route 209
• North Carolina Highway 209
• Ohio State Route 209
• Oklahoma State Highway 209
• Oregon Route 209 (former)
• Tennessee State Route 209
• Texas State Highway 209 (former)
  • Texas State Highway Loop 209
• Utah State Route 209
• Virginia State Route 209
• Washington State Route 209 (former)