# List of highways numbered 12

Route 12 or Highway 12 can refer to:
For a list of roads named A12, see A12 roads.

## International

* AH12 Asian Highway 12
* E12 European route E12
* E012 European route E012

## Argentina

* National Route 12

## Australia
### NSW

* Western Sydney Airport Motorway (proposed)

### NT

* Plenty Highway

### VIC/SA

* Mallee Highway
* South Gippsland Highway

## Austria

* Inntal Autobahn

## Bulgaria

* Републикански път I-12

## Canada

* Alberta Highway 12
* British Columbia Highway 12
* Manitoba Highway 12
* Nova Scotia Trunk 12
* Ontario Highway 12
* Prince Edward Island Route 12
* Quebec Route 12 (former)
* Saskatchewan Highway 12

## China

* G12 Expressway

## Cuba

* Highway 2–12
* Highway 4–12

## Czech Republic

* I/12 Highway; Czech: Silnice I/12

## Dominican Republic

* DR-12

## Greece

* EO12 road

## India

* National Highway 12 (India)

## Iran

* Road 12

## Iraq

* Highway 12 (Iraq)

## Ireland

* N12 road (Ireland)

## Israel

* Highway 12 (Israel)

## Italy

* Autostrada A12
* RA 12
* State road 12

## Japan

* Japan National Route 12

## Korea, South

* Expressway 12
** Muan–Gwangju Expressway
** Gwangju–Daegu Expressway

## Malaysia

* FT 12 Tun Razak Highway

## New Zealand

* New Zealand State Highway 12

## Nigeria

* A12 highway (Nigeria)

## Pakistan

* M-12 motorway Sambrial-Kharian

## Paraguay

* National Route 12

## Poland

* Motorway A12 (former; 1986–2000/2001)
* Expressway S12
* National road 12

## Romania

* DN12 - Drumul Național 12
* A12 - Pitești–Craiova Expressway

## South Africa

* N12 road (South Africa)

## Taiwan

* Prov 12 Provincial Highway 12 (Taiwan)

## United Kingdom

* British A12 (London-Great Yarmouth)
* Northern Irish M12 (Craigavon)
* A12 road (Northern Ireland)

## United States

* Interstate 12
* U.S. Route 12
* New England Interstate Route 12 (former)
* Alabama State Route 12 (former)
* Arkansas Highway 12
* California State Route 12
** County Route A12 (California)
** County Route E12 (California)
** County Route G12 (California)
** County Route J12 (California)
** County Route S12 (California)
* Colorado State Highway 12
* Connecticut Route 12
* Delaware Route 12
* Florida State Road 12
** County Road 12 (Gadsden County, Florida)
** County Road 12 (Leon County, Florida)
* Georgia State Route 12
* Illinois Route 12 (former)
* Iowa Highway 12
** County Route C12 (Humboldt County, Iowa)
* K-12 (Kansas highway) (former)
* Kentucky Route 12
* Louisiana Highway 12
** Louisiana State Route 12 (former)
* Maryland Route 12
* Massachusetts Route 12
* M-12 (Michigan highway) (former)
* Mississippi Highway 12
* Missouri Route 12
* Nebraska Highway 12
* Nevada State Route 12 (former)
* New Hampshire Route 12
* New Jersey Route 12
** County Route 12 (Monmouth County, New Jersey)
* New Mexico State Road 12
* New York State Route 12
** County Route 12 (Allegany County, New York)
** County Route 12 (Cattaraugus County, New York)
** County Route 12 (Chemung County, New York)
** County Route 12 (Chenango County, New York)
** County Route 12 (Clinton County, New York)
** County Route 12 (Genesee County, New York)
** County Route 12 (Greene County, New York)
** County Route 12 (Jefferson County, New York)
** County Route 12 (Nassau County, New York)
** County Route 12 (Niagara County, New York)
** County Route 12 (Onondaga County, New York)
** County Route 12 (Otsego County, New York)
** County Route 12 (Putnam County, New York)
** County Route 12 (Schuyler County, New York)
** County Route 12 (St. Lawrence County, New York)
** County Route 12 (Steuben County, New York)
** County Route 12 (Suffolk County, New York)
** County Route 12 (Ulster County, New York)
** County Route 12 (Warren County, New York)
* North Carolina Highway 12
* Ohio State Route 12
* Pennsylvania Route 12
* Rhode Island Route 12
* South Carolina Highway 12
* South Dakota Highway 12 (former)
* Tennessee State Route 12
* Texas State Highway 12
** Texas State Highway Loop 12
** Ranch to Market Road 12
** Texas Park Road 12
* Utah State Route 12
* Vermont Route 12
* State Route 12 (Virginia 1918-1933) (former)
** State Route 12 (Virginia 1933-1935) (former)
** State Route 12 (Virginia 1935-1953) (former)
* State Road 12 (Washington 1905–1919) (former)
** Washington State Route 12 (1964-1967) (former)
** Primary State Highway 12 (Washington) (former)
** Secondary State Highway 12G (Washington) (former)
** Secondary State Highway 12H (Washington) (former)
* West Virginia Route 12
* Wisconsin Highway 12 (former)
* Wyoming Highway 12

### Territories

* Guam Highway 12
* Puerto Rico Highway 12

## Uruguay

* Route 12 Dr. Luis Alberto de Herrera

## Zambia

* M12 road (Zambia)