List of highways numbered 142

The following highways are numbered 142:

Canada

• Nova Scotia Highway 142
• Prince Edward Island Route 142

Japan

• Japan National Route 142

United States

• Alabama State Route 142
• California State Route 142
• Colorado State Highway 142
• Connecticut Route 142
• Georgia State Route 142
• Illinois Route 142
  • Illinois Route 142A (former)
• Indiana State Road 142
• Iowa Highway 142 (former)
• Kentucky Route 142
• Louisiana Highway 142
• Maine State Route 142
• Massachusetts Route 142
• M-142 (Michigan highway)
• Missouri Route 142
• New Hampshire Route 142
• New Mexico State Road 142
• New York State Route 142
• North Carolina Highway 142
• Ohio State Route 142
• Oklahoma State Highway 142
• Pennsylvania Route 142 (former)
• Rhode Island Route 142 (former)
• Tennessee State Route 142
• Texas State Highway 142
  • Texas State Highway Loop 142
• Utah State Route 142
• Vermont Route 142
• Virginia State Route 142
• Washington State Route 142
• Wisconsin Highway 142