{{Short description|none}} {{redirect|SR-45|the flying boat|Saunders-Roe SR.45 Princess}}
The following highways are numbered '''45''': {{TOC right}}
{{Incomplete list|date=August 2008}}
==International== *{{Jct|country=ASIA|AH|45}} Asian Highway 45 *{{Jct|country=EUR|E|45}} European route E45
==Burma== *National Road 45 (Burma)
==Canada== *25px Alberta Highway 45 *25px Manitoba Highway 45 *25px Ontario Highway 45 *25px Saskatchewan Highway 45
==China== * 30px G45 Expressway * Asian Highway 45A
==Dominican Republic==
*DR-45 (known locally as the International Highway) straddling the border with Haiti
==Finland== *25px Finnish national road 45
==France== *45px A45 autoroute (proposed)
==Germany== *20px Bundesautobahn 45
==India== * 25px National Highway 45 (India) (Grand Southern Trunk Road)
==Iran== *18px Road 45
==Japan== *20px Japan National Route 45
==Korea, South== *25px Jungbu Naeryuk Expressway *25px National Route 45
==Mexico== *20px Mexican Federal Highway 45
==New Zealand== *20px New Zealand State Highway 45
==United Kingdom== *25px British A45 (Birmingham-Thrapston) *30px British M45 (Watford Gap-Thurlaston)
==United States== *20px Interstate 45 *20px U.S. Route 45 **20px U.S. Route 45E **20px U.S. Route 45W *20px Alabama State Route 45 **20px County Route 45 (Lee County, Alabama) *20px Arkansas Highway 45 *20px California State Route 45 *20px Colorado State Highway 45 *20px Connecticut Route 45 *20px Florida State Road 45 **25px Florida State Road 45A *20px Georgia State Route 45 **20px Georgia State Route 45 (former) *20px Idaho State Highway 45 *20px Illinois Route 45 (former) *20px Indiana State Road 45 *20px Iowa Highway 45 (former) *20px K-45 (Kansas highway) (former) *20px Louisiana Highway 45 *20px Maryland Route 45 **Maryland Route 45A **Maryland Route 45B **Maryland Route 45C **Maryland Route 45D **Maryland Route 45E *20px Massachusetts Route 45 (former) *20px M-45 (Michigan highway) *20px Minnesota State Highway 45 *20px Missouri Route 45 *20px Nebraska Highway 45 **20px Nebraska Link 45B **20px Nebraska Spur 45A *20px Nevada State Route 45 (former) *20px New Hampshire Route 45 *20px New Jersey Route 45 **20px County Route 45 (Monmouth County, New Jersey) *20px New Mexico State Road 45 *20px New York State Route 45 **20px County Route 45 (Cattaraugus County, New York) **20px County Route 45A (Cayuga County, New York) ***County Route 45B (Cayuga County, New York) **20px County Route 45 (Erie County, New York) **20px County Route 45 (Genesee County, New York) **20px County Route 45 (Greene County, New York) **20px County Route 45 (Herkimer County, New York) **20px County Route 45 (Jefferson County, New York) **20px County Route 45 (Niagara County, New York) **20px County Route 45 (Oswego County, New York) **20px County Route 45 (Otsego County, New York) **20px County Route 45 (Putnam County, New York) **20px County Route 45 (Rensselaer County, New York) **20px County Route 45 (Saratoga County, New York) **20px County Route 45 (St. Lawrence County, New York) **20px County Route 45 (Steuben County, New York) **20px County Route 45 (Suffolk County, New York) **20px County Route 45 (Sullivan County, New York) ***20px County Route 45A (Sullivan County, New York) **20px County Route 45 (Ulster County, New York) **20px County Route 45 (Washington County, New York) *20px North Carolina Highway 45 *20px North Dakota Highway 45 *20px Ohio State Route 45 *20px Oklahoma State Highway 45 *20px Pennsylvania Route 45 *25px South Carolina Highway 45 *20px South Dakota Highway 45 *20px Tennessee State Route 45 *20px Texas State Highway 45 **20px Texas State Highway Spur 45 **20px Farm to Market Road 45 **20px Texas Park Road 45 *20px Utah State Route 45 *20px Virginia State Route 45 *20px West Virginia Route 45 *20px Wisconsin Highway 45 (former)
==See also== *A45 (disambiguation)#Roads
{{Sequence | prev = 44 | list = Lists of highways | curr = 45 | next = 46 }} {{List of highways numbered index}} {{Authority control}}
{{Road index|045}}