# List of highways numbered 15

Route 15, or Highway 15, can refer to: For roads named A15, see A15 roads.

## International

* AH15 Asian Highway 15
* E15 European route E15
* E015 European route E015

## Australia
### New South Wales

* Hunter Expressway
* New England Highway and other local Newcastle routes (New South Wales)

### Northern Territory

* Tiger Brennan Drive

### Queensland

* Cunningham Highway (Queensland)
* New England Highway (Queensland)

### South Australia

* – South Australia

### Tasmania

* Castra Road

## Canada

* Alberta Highway 15
* British Columbia Highway 15
* Manitoba Highway 15
* New Brunswick Route 15
* Ontario Highway 15
* Prince Edward Island Route 15
* Quebec Autoroute 15
* Saskatchewan Highway 15

## China

* G15 Expressway
** G15$_w$ Expressway (G15's branch)

## Cuba

* 2–15

## Czech Republic

* I/15 Highway; Czech: Silnice I/15

## Djibouti

* RN-15 (Djibouti)

## Greece

* EO15 road

## India

* National Highway 15 (India)
* State Highway 15 (Tamil Nadu)
* State Highway 15 (West Bengal)

## Iran

* Road 15

## Ireland

* N15 road (Ireland)

## Italy

* Autostrada A15
* RA 15

## Japan

* Japan National Route 15

## Jordan

* Highway 15

## Korea, South

* Seohaean Expressway
* National Route 15
* Gukjido 15

## Mexico

* Mexican Federal Highway 15
* Mexican Federal Highway 15D

## New Zealand

* New Zealand State Highway 15

## Paraguay

* National Route 15

## Poland

* National road 15 (Poland) runs northeast from Trzebnica to Ostróda, 395 km

## Ukraine

* Highway M15 (Ukraine)

## United Kingdom

* British A15 (Norman Cross-Hessle)

## United States

* Interstate 15
* U.S. Route 15
* New England Route 15 (former)
* Alabama State Route 15 (former)
* Arkansas Highway 15
* California State Route 15
** County Route A15 (California)
** County Route E15 (California)
** County Route G15 (California)
** County Route J15 (California)
** County Route S15 (California)
* Colorado State Highway 15
* Connecticut Route 15
* Delaware Route 15
* Florida State Road 15
** County Road 15 (Orange County, Florida)
** County Road 15 (Seminole County, Florida)
* Georgia State Route 15
* Hawaii Route 15 (former)
* Illinois Route 15
* Indiana State Road 15
* Iowa Highway 15
* K-15 (Kansas highway)
* Kentucky Route 15
* Louisiana Highway 15
** Louisiana State Route 15 (former)
* Maine State Route 15
* Massachusetts Route 15
* M-15 (Michigan highway)
* Minnesota State Highway 15
** County Road 15 (Hennepin County, Minnesota)
** County Road 15 (Ramsey County, Minnesota)
** County Road 15 (Scott County, Minnesota)
** County Road 15 (Washington County, Minnesota)
* Mississippi Highway 15
* Missouri Route 15
* Nebraska Highway 15
** Nebraska Recreation Road 15B
** Nebraska Recreation Road 15C
* Nevada State Route 15 (former)
* New Jersey Route 15
** County Route 15 (Monmouth County, New Jersey)
* New Mexico State Road 15
* New York State Route 15
** County Route 15 (Allegany County, New York)
*** County Route 15B (Allegany County, New York)
** County Route 15 (Cattaraugus County, New York)
** County Route 15 (Chautauqua County, New York)
** County Route 15 (Franklin County, New York)
** County Route 15 (Genesee County, New York)
** County Route 15 (Hamilton County, New York)
** County Route 15 (Jefferson County, New York)
** County Route 15 (Monroe County, New York)
** County Route 15 (Niagara County, New York)
** County Route 15 (Oneida County, New York)
** County Route 15 (Ontario County, New York)
** County Route 15 (Orange County, New York)
** County Route 15 (Orleans County, New York)
** County Route 15 (Oswego County, New York)
** County Route 15 (Putnam County, New York)
** County Route 15 (Rensselaer County, New York)
** County Route 15 (Rockland County, New York)
** County Route 15 (Schuyler County, New York)
** County Route 15 (Steuben County, New York)
** County Route 15 (Suffolk County, New York)
** County Route 15 (Tioga County, New York)
** County Route 15 (Ulster County, New York)
** County Route 15 (Westchester County, New York)
** County Route 15 (Wyoming County, New York)
** County Route 15 (Yates County, New York)
* North Carolina Highway 15 (former)
* North Dakota Highway 15
* Ohio State Route 15
* Oklahoma State Highway 15
* Oregon Route 15 (former)
* Pennsylvania Route 15 (former)
* Rhode Island Route 15
* South Dakota Highway 15
** South Dakota Highway 15Y (former)
* Tennessee State Route 15
* Texas State Highway 15
** Texas State Highway Loop 15
** Farm to Market Road 15
** Texas Park Road 15
* Utah State Route 15 (former)
* Vermont Route 15
* State Route 15 (Virginia 1918-1923) (former)
** State Route 15 (Virginia 1923-1933) (former)
* Washington State Road 15 (former)
** Primary State Highway 15 (Washington) (former)
** Secondary State Highway 15B (Washington) (former)
** Secondary State Highway 15C (Washington) (former)
** Secondary State Highway 15D (Washington) (former)
* West Virginia Route 15
* Wisconsin Highway 15

### Territories

* Guam Highway 15
* Puerto Rico Highway 15

## Uruguay

* Route 15 Javier Barrios Amorín

## Zambia

* M15 road (Zambia)