List of highways numbered 42

The following highways are numbered 42. For a list of road called N42 see List of N42 roads.

Canada

Alberta

• Alberta Highway 42

Manitoba

• Manitoba Highway 42
• Winnipeg Route 42

Ontario

• Chatham-Kent Road 42
• Elgin County Road 42
• County Road 42 (Essex County, Ontario)
• Greater Sudbury Road 42
• Halton Regional Road 42
• Leeds and Grenville County Road 42
• Middlesex County Road 42
• Muskoka Road 42
• Niagara Regional Road 42
• Norfolk County Road 42
• Ottawa Road 42
• Renfrew County Road 42
• Simcoe County Road 42
• Wellington County Road 42

Saskatchewan

• Saskatchewan Highway 42

Israel

• Highway 42 (Israel)

Japan

• Route 42 (Japan)

Poland

• National Road 42 (Poland)

United Kingdom

• British A42 (Appleby Magna-Kegworth)
• British M42 (Appleby Magna-Bromsgrove)

United States

• U.S. Route 42
• Alabama State Route 42 (former)
• Arkansas Highway 42
• California State Route 42 (former)
• Colorado State Highway 42
• Connecticut Route 42
• Delaware Route 42
• County Road 42 (Florida) (former Florida State Road 42)
• Georgia State Route 42
• Illinois Route 42 (former)
  • Illinois Route 42A (former)
• Indiana State Road 42
• Iowa Highway 42 (former)
• K-42 (Kansas highway)
• Louisiana Highway 42
• Maryland Route 42
• M-42 (Michigan highway)
• Minnesota State Highway 42
• Mississippi Highway 42
• Missouri Route 42
• Montana Highway 42
• Nebraska Highway 42 (former)
• Nevada State Route 42 (former)
• File:New Jersey 42.svg New Jersey Route 42
• New Mexico State Road 42
• New York State Route 42
• North Carolina Highway 42
• North Dakota Highway 42
• Oklahoma State Highway 42
• Oregon Route 42
• Pennsylvania Route 42
• South Dakota Highway 42
• Tennessee State Route 42 (former)
• Texas Park Road 42
  • Texas State Highway 42
• Utah State Route 42
• Virginia State Route 42
• West Virginia Route 42
• Wisconsin Highway 42

Other areas:

• U.S. Virgin Islands Highway 42