# List of highways numbered 45

The following highways are numbered 45:

## International

* AH45 Asian Highway 45
* E45 European route E45

## Burma

* National Road 45 (Burma)

## Canada

* Alberta Highway 45
* Manitoba Highway 45
* Ontario Highway 45
* Saskatchewan Highway 45

## China

* G45 Expressway
* Asian Highway 45A

## Dominican Republic

* DR-45 (known locally as the International Highway) straddling the border with Haiti

## Finland

* Finnish national road 45

## France

* A45 autoroute (proposed)

## Germany

* Bundesautobahn 45

## India

* National Highway 45 (India) (Grand Southern Trunk Road)

## Iran

* Road 45

## Japan

* Japan National Route 45

## Korea, South

* Jungbu Naeryuk Expressway
* National Route 45

## Mexico

* Mexican Federal Highway 45

## New Zealand

* New Zealand State Highway 45

## United Kingdom

* British A45 (Birmingham-Thrapston)
* British M45 (Watford Gap-Thurlaston)

## United States

* Interstate 45
* U.S. Route 45
** U.S. Route 45E
** U.S. Route 45W
* Alabama State Route 45
* Arkansas Highway 45
* California State Route 45
* Colorado State Highway 45
* Connecticut Route 45
* Florida State Road 45
** Florida State Road 45A
* Georgia State Route 45
** Georgia State Route 45 (former)
* Idaho State Highway 45
* Illinois Route 45 (former)
* Indiana State Road 45
* Iowa Highway 45 (former)
* K-45 (Kansas highway) (former)
* Louisiana Highway 45
* Maryland Route 45
** Maryland Route 45A
** Maryland Route 45B
** Maryland Route 45C
** Maryland Route 45D
** Maryland Route 45E
* Massachusetts Route 45 (former)
* M-45 (Michigan highway)
* Minnesota State Highway 45
* Missouri Route 45
* Nebraska Highway 45
** Nebraska Link 45B
** Nebraska Spur 45A
* Nevada State Route 45 (former)
* New Hampshire Route 45
* New Jersey Route 45
** County Route 45 (Monmouth County, New Jersey)
* New Mexico State Road 45
* New York State Route 45
** County Route 45 (Cattaraugus County, New York)
** County Route 45A (Cayuga County, New York)
*** County Route 45B (Cayuga County, New York)
** County Route 45 (Erie County, New York)
** County Route 45 (Genesee County, New York)
** County Route 45 (Greene County, New York)
** County Route 45 (Herkimer County, New York)
** County Route 45 (Jefferson County, New York)
** County Route 45 (Niagara County, New York)
** County Route 45 (Oswego County, New York)
** County Route 45 (Otsego County, New York)
** County Route 45 (Putnam County, New York)
** County Route 45 (Rensselaer County, New York)
** County Route 45 (Saratoga County, New York)
** County Route 45 (St. Lawrence County, New York)
** County Route 45 (Steuben County, New York)
** County Route 45 (Suffolk County, New York)
** County Route 45 (Sullivan County, New York)
*** County Route 45A (Sullivan County, New York)
** County Route 45 (Ulster County, New York)
** County Route 45 (Washington County, New York)
* North Carolina Highway 45
* North Dakota Highway 45
* Ohio State Route 45
* Oklahoma State Highway 45
* Pennsylvania Route 45
* South Carolina Highway 45
* South Dakota Highway 45
* Tennessee State Route 45
* Texas State Highway 45
** Texas State Highway Spur 45
** Farm to Market Road 45
** Texas Park Road 45
* Utah State Route 45
* Virginia State Route 45
* West Virginia Route 45
* Wisconsin Highway 45 (former)