# List of highways numbered 31

The following highways are numbered 31:

## International

* AH31 Asian Highway 31
* E31 European route E31

## Australia

* Hume Highway
** Hume Motorway
** Hume Freeway
* – South Australia
** Gorge Road
** Little Para Road
** South Para Road
** Lyndoch Valley Road

## Austria

* Burgenland Schnellstraße
* Ybbstal Straße

## Burma

* National Highway 31 (Burma)

## Canada

* Alberta Highway 31
* British Columbia Highway 31
* Manitoba Highway 31
* Ontario Highway 31 (former, now Ottawa Road 31)
* Quebec Autoroute 31
* Saskatchewan Highway 31

## Cuba

* Highway 3–31

## Czech Republic

* part of I/31 Highway; Czech: Silnice I/31

## France

* A31 autoroute

## Germany

* Bundesautobahn 31
* Bundesstraße 31

## Greece

* EO31 road

## Iceland

* Route 31 (Iceland)

## India

* NH 31

## Iran

* Road 31

## Ireland

* N31 road (Ireland)

## Israel

* Highway 31 (Israel)

## Italy

* Autostrada A31 (Italy)

## Japan

* Japan National Route 31
* Hiroshima-Kure Road

## Korea, South

* National Route 31

## Netherlands

* A31 motorway (Netherlands)

## New Zealand

* New Zealand State Highway 31

## South Africa

* M31 road (Johannesburg)

## Sri Lanka

* A31 A31 highway (Sri Lanka)

## Thailand

* Thailand Route 31 (Vibhavadi Rangsit Road)

## Turkey

* O-31, a motorway in Turkey running from İzmir to Aydın.

## United Kingdom

* British A31 (Bere Regis-Guilford)
* A31 road (Isle of Man)

## United States

* Interstate 31 (former)
* U.S. Route 31
** U.S. Route 31W
** U.S. Route 31E
* Arkansas Highway 31
* California State Route 31
** County Route J31 (California)
** County Route S31 (California)
* Connecticut Route 31
* Florida State Road 31
* Georgia State Route 31
* Hawaii Route 31
* Idaho State Highway 31
* Illinois Route 31
* Iowa Highway 31
* K-31 (Kansas highway)
* Louisiana Highway 31
* Maryland Route 31
* Massachusetts Route 31
* M-31 (Michigan highway) (former)
* Minnesota State Highway 31
** County Road 31 (Anoka County, Minnesota)
** County Road 31 (Dakota County, Minnesota)
** County Road 31 (Hennepin County, Minnesota)
** County Road 31 (Ramsey County, Minnesota)
* Missouri Route 31
* Nebraska Highway 31
* Nevada State Route 31 (former)
* New Hampshire Route 31
* New Jersey Route 31
** County Route 31 (Bergen County, New Jersey)
*** County Route S31 (Bergen County, New Jersey)
** County Route 31 (Monmouth County, New Jersey)
** County Route 31 (Ocean County, New Jersey)
* New Mexico State Road 31
* New York State Route 31
** New York State Route 31F
** County Route 31 (Dutchess County, New York)
** County Route 31 (Franklin County, New York)
** County Route 31 (Greene County, New York)
** County Route 31 (Livingston County, New York)
** County Route 31 (Montgomery County, New York)
** County Route 31 (Niagara County, New York)
** County Route 31 (Orleans County, New York)
** County Route 31 (Otsego County, New York)
** County Route 31 (Suffolk County, New York)
** County Route 31 (Ulster County, New York)
** County Route 31 (Wyoming County, New York)
* North Carolina Highway 31 (former)
* North Dakota Highway 31
* Ohio State Route 31
* Oklahoma State Highway 31
* Oregon Route 31
* Pennsylvania Route 31
* South Carolina Highway 31
* Tennessee State Route 31
* Texas State Highway 31
** Texas State Highway Spur 31
** Farm to Market Road 31
** Texas Park Road 31
* Utah State Route 31
* Vermont Route 31
* Virginia State Route 31
** Virginia State Route 31 (1923-1933) (former)
* Washington State Route 31
* West Virginia Route 31
* Wisconsin Highway 31
* Wyoming Highway 31

### Territories

* Puerto Rico Highway 31