List of highways numbered 143
The following highways are numbered 143:
Canada
- Prince Edward Island Route 143
- Quebec Route 143
Costa Rica
- National Route 143
Germany
- Bundesautobahn 143
Japan
- Japan National Route 143
- Fukuoka Prefectural Route 143
- Nara Prefectural Route 143
Malaysia
- Malaysia Federal Route 143
United Kingdom
- road
United States
- U.S. Highway 143
- Alabama State Route 143
- Arizona State Route 143
- Arkansas Highway 143
- California State Route 143
- Florida State Road 143
- * County Road 143
- Georgia State Route 143
- Illinois Route 143
- Indiana State Road 143
- Iowa Highway 143
- K-143
- Kentucky Route 143
- Louisiana Highway 143
- Maine State Route 143
- Maryland Route 143
- Massachusetts Route 143
- M-143
- Missouri Route 143
- New Jersey Route 143
- New Mexico State Road 143
- New York State Route 143
- * County Route 143
- * County Route 143
- * County Route 143
- * County Route 143
- North Carolina Highway 143
- Ohio State Route 143
- Oklahoma State Highway 143
- Pennsylvania Route 143
- Tennessee State Route 143
- Texas State Highway 143
- * Texas State Highway Loop 143
- * Texas State Highway Spur 143
- * Farm to Market Road 143
- Utah State Route 143
- Vermont Route 143
- Virginia State Route 143
- * Virginia State Route 143
- * Virginia State Route 143
- Washington State Route 143
- Wisconsin Highway 143