# List of highways numbered 20

Route 20, or Highway 20, may refer to:

## International

* E20 European route E20

## Australia

* Sturt Highway (NSW/VIC/SA)
* Yarra Bank Highway

## Brazil

* BR-020

## Canada

* Alberta Highway 20
* British Columbia Highway 20
* Manitoba Highway 20
* New Brunswick Route 20 (former)
* Newfoundland and Labrador Route 20
* Ontario Highway 20
* Prince Edward Island Route 20
* Quebec Autoroute 20
* Saskatchewan Highway 20

## China

* G20 Expressway

## Cuba

* Highway 6–20

## Czech Republic

* I/20 Highway; Czech: Silnice I/20

## Ecuador

* Ecuador Highway 20

## Greece

* EO20 road

## India

* National Highway 20 (India)

## Israel

* Ayalon Highway

## Italy

* Autostrada A20

## Ireland

* M20 motorway (Ireland)
* N20 road (Ireland)

## Japan

* Japan National Route 20
* Chūō Expressway

## Korea, South

* Iksan–Pohang Expressway
* National Route 20
* Gukjido 20

## New Zealand

* New Zealand State Highway 20 (Auckland Southwestern Motorway)
** New Zealand State Highway 20A
** New Zealand State Highway 20B

## Paraguay

* National Route 20

## Turkey

* O-20, a motorway in Turkey as the ring road in Ankara.

## United Kingdom

* British A20 (London-Dover)
* British M20 (Swanley-Folkestone)
* A20 road (Northern Ireland)

## United States

* Interstate 20
* U.S. Route 20
** U.S. Route 20N (former)
** U.S. Route 20S (former)
* New England Route 20 (former)
* Alabama State Route 20
* Arkansas Highway 20
* California State Route 20
** County Route A20 (California)
** County Route E20 (California)
** County Route G20 (California)
** County Route J20 (California)
** County Route S20 (California)
* Connecticut Route 20
* Delaware Route 20
* Florida State Road 20
* Georgia State Route 20
** Georgia State Route 20 (former)
** Georgia State Route 20 (former)
* Illinois Route 20 (former)
* K-20 (Kansas highway)
* Kentucky Route 20
* Louisiana Highway 20
** Louisiana State Route 20
* Maryland Route 20
* Massachusetts Route 20
* M-20 (Michigan highway)
* Minnesota State Highway 20
** County Road 20 (Goodhue County, Minnesota)
* Missouri Route 20
* Nevada State Route 20 (former)
* New Jersey Route 20
** County Route 20 (Monmouth County, New Jersey)
* New Mexico State Road 20
* New York State Route 20 (1924–1927) (former)
** New York State Route 20N (former)
** New York State Route 20SY (former)
** County Route 20 (Allegany County, New York)
** County Route 20 (Clinton County, New York)
** County Route 20 (Columbia County, New York)
** County Route 20 (Delaware County, New York)
** County Route 20 (Dutchess County, New York)
** County Route 20 (Genesee County, New York)
** County Route 20 (Livingston County, New York)
** County Route 20 (Niagara County, New York)
** County Route 20 (Ontario County, New York)
** County Route 20 (Orange County, New York)
** County Route 20 (Oswego County, New York)
** County Route 20 (Otsego County, New York)
** County Route 20 (Putnam County, New York)
** County Route 20 (Rensselaer County, New York)
** County Route 20 (Rockland County, New York)
** County Route 20 (Suffolk County, New York)
** County Route 20 (Ulster County, New York)
** County Route 20 (Washington County, New York)
** County Route 20 (Yates County, New York)
* North Carolina Highway 20
* North Dakota Highway 20
* Ohio State Route 20 (1923-1927) (former)
* Oklahoma State Highway 20
* South Carolina Highway 20
* South Dakota Highway 20
* Tennessee State Route 20
* Texas State Highway 20
** Texas State Highway Loop 20
** Farm to Market Road 20
** Texas Park Road 20
* Utah State Route 20
* Virginia State Route 20
* Washington State Route 20
* West Virginia Route 20
* Wisconsin Highway 20

### Territories

* Puerto Rico Highway 20
* U.S. Virgin Islands Highway 20

## Vietnam

* National Route 20 (Vietnam)

## Zambia

* M20 road (Zambia)