List of highways numbered 242
The following highways are numbered 242:
Canada
- Manitoba Provincial Road 242
- Nova Scotia Route 242
- Prince Edward Island Route 242
Costa Rica
- National Route 242
Cuba
- Puerta de Golpe–Alonso Rojas Road
Germany
- Bundesstraße 242
Japan
- Japan National Route 242
United Kingdom
- road
- B242 road
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