List of highways numbered 242

Canada

• Manitoba Provincial Road 242
• Nova Scotia Route 242
• Prince Edward Island Route 242

  Costa Rica

• National Route 242

  Germany

• Bundesstraße 242

  Japan

• Japan National Route 242

  United States

• Arkansas Highway 242
• California State Route 242
• Georgia State Route 242
• Illinois Route 242
• Iowa Highway 242
• Kentucky Route 242
• Maryland Route 242
• Minnesota State Highway 242
• Missouri Route 242
• Montana Secondary Highway 242
• New York State Route 242
• North Carolina Highway 242
• Ohio State Route 242
• Oregon Route 242
• Pennsylvania Route 242
• Tennessee State Route 242
• Texas State Highway 242
• * Texas State Highway Spur 242
• * Farm to Market Road 242
• Utah State Route 242
• Vermont Route 242
• Virginia State Route 242