List of highways numbered 143

The following highways are numbered 143:

Canada

• Prince Edward Island Route 143
• Quebec Route 143

Japan

• Japan National Route 143

United States

• U.S. Highway 143 (former)
• Alabama State Route 143
• Arizona State Route 143
• Arkansas Highway 143
• California State Route 143
• Florida State Road 143
• Georgia State Route 143 (former)
• Illinois Route 143
• Indiana State Road 143
• Iowa Highway 143
• K-143 (Kansas highway)
• Kentucky Route 143
• Louisiana Highway 143
• Maine State Route 143
• Maryland Route 143
• Massachusetts Route 143
• M-143 (Michigan highway)
• Missouri Route 143
• New Jersey Route 143
• New Mexico State Road 143
• New York State Route 143
• Ohio State Route 143
• Pennsylvania Route 143
• Tennessee State Route 143
• Texas State Highway 143 (former)
  • Texas State Highway Loop 143
• Utah State Route 143
• Vermont Route 143
• Virginia State Route 143
• Wisconsin Highway 143