List of highways numbered 231

The following highways are numbered 231:

Canada

 * Manitoba secondary 231.svg Manitoba Provincial Road 231
 * NL Route 231.svg Newfoundland and Labrador Route 231
 * PEI_Highway_231.svg Prince Edward Island Route 231
 * Qc231.svg Quebec Route 231

Costa Rica

 * CR RNS 231.svg National Route 231

India

 * NH231-IN.svg National Highway 231 (India)

Japan

 * Japanese National Route Sign 0231.svg Japan National Route 231

Nigeria

 * NGA road A231.svg A231 highway (Nigeria)

United States

 * US 231.svg U.S. Route 231
 * Arkansas 231.svg Arkansas Highway 231
 * California 231.svg California State Route 231 (former)
 * Colorado 231.svg Colorado State Highway 231
 * Florida 231.svg Florida State Road 231
 * Georgia 231.svg Georgia State Route 231
 * K-231.svg K-231 (Kansas highway)
 * Elongated circle 231.svg Kentucky Route 231 (former)
 * MA Route 231.svg Maine State Route 231
 * MD Route 231.svg Maryland Route 231
 * M-231.svg M-231 (Michigan highway)
 * MN-231.svg Minnesota State Highway 231 (former)
 * MO-231.svg Missouri Route 231
 * MT-sec-231.svg Montana Secondary Highway 231
 * Nevada 231.svg Nevada State Route 231
 * New Mexico 231.svg New Mexico State Road 231
 * NY-231.svg New York State Route 231
 * NC 231.svg North Carolina Highway 231
 * OH-231.svg Ohio State Route 231
 * OR 231 1948.svg Oregon Route 231 (former)
 * PA-231.svg Pennsylvania Route 231
 * SD 231.svg South Dakota Highway 231
 * Secondary Tennessee 231.svg Tennessee State Route 231
 * Texas 231.svg Texas State Highway 231
 * Texas Loop 231.svg Texas State Highway Loop 231
 * Texas Spur 231.svg Texas State Highway Spur 231
 * Utah SR 231.svg Utah State Route 231
 * Virginia 231.svg Virginia State Route 231
 * WY-231.svg Wyoming Highway 231