List of highways numbered 231

• 20px Manitoba Provincial Road 231
• 20px Newfoundland and Labrador Route 231
• 20px Prince Edward Island Route 231
• 15px Quebec Route 231

• 25px National Route 231

• 20px National Highway 231 (India)

• 25px Japan National Route 231

• 30px A231 highway (Nigeria)

• {{jct|country=GBR|A|231}} road
• B231 road

• 25px U.S. Route 231
• 25px Arkansas Highway 231
• 25px California State Route 231 (former)
• 20px Colorado State Highway 231
• 25px Florida State Road 231
• 25px Georgia State Route 231
• 25px K-231 (Kansas highway)
• 25px Kentucky Route 231 (former)
• 25px Maine State Route 231
• 25px Maryland Route 231
• 20px M-231 (Michigan highway)
• 20px Minnesota State Highway 231 (former)
• 25px Missouri Route 231
• 20px Montana Secondary Highway 231
• 20px Nevada State Route 231
• 20px New Mexico State Road 231
• 25px New York State Route 231
• 20px North Carolina Highway 231
• 20px Ohio State Route 231
• 25px Oregon Route 231 (former)
• 25px Pennsylvania Route 231
• 25px South Dakota Highway 231
• 25px Tennessee State Route 231
• 20px Texas State Highway 231
• 20px Texas State Highway Loop 231
• 20px Texas State Highway Spur 231
• 20px Utah State Route 231
• 25px Virginia State Route 231
• 20px Wyoming Highway 231

{{Sequence

| prev = 230

| list = Lists of highways

| curr = 231

| next = 232

}}

{{List of highways numbered index}}

{{Authority control}}

{{Road index|231}}