List of highways numbered 45

The following highways are numbered 45:

International

 * Asian Highway 45
 * European route E45

Burma

 * National Road 45 (Burma)

Canada

 * Alberta Highway 45.svg Alberta Highway 45
 * Manitoba Highway 45.svg Manitoba Highway 45
 * Ontario King's Highway 45.svg Ontario Highway 45
 * Saskatchewan Highway 45 (jct).svg Saskatchewan Highway 45

China

 * China_Expwy_G45_sign_with_name.svg G45 Expressway
 * Asian Highway 45A

Finland

 * Finland road sign F30-45.svg Finnish national road 45

France

 * A45 (France) Route marker.svg A45 autoroute (proposed)

Germany

 * Bundesautobahn 45 number.svg Bundesautobahn 45

India

 * NH45-IN.svg National Highway 45 (India) (Grand Southern Trunk Road)

Iran

 * Iran First Level Road 45.png Road 45

Japan

 * Japanese National Route Sign 0045.svg Japan National Route 45

Korea, South

 * Korea Expressway No.45.svg Jungbu Naeryuk Expressway
 * Korea National Route No.45.svg National Route 45

Mexico

 * Carretera federal 45.svg Mexican Federal Highway 45

New Zealand

 * State Highway 45 NZ.svg New Zealand State Highway 45

United Kingdom

 * UK road A45.svg British A45 (Birmingham-Thrapston)
 * UK-Motorway-M45.svg British M45 (Watford Gap-Thurlaston)

United States

 * I-45.svg Interstate 45
 * US 45.svg U.S. Route 45
 * US 45E.svg U.S. Route 45E
 * US 45W.svg U.S. Route 45W
 * Alabama 45.svg Alabama State Route 45
 * Arkansas 45.svg Arkansas Highway 45
 * California 45.svg California State Route 45
 * Colorado 45.svg Colorado State Highway 45
 * Connecticut Highway 45.svg Connecticut Route 45
 * Florida 45.svg Florida State Road 45
 * Florida 45A.svg Florida State Road 45A
 * Georgia 45.svg Georgia State Route 45
 * Georgia 45.svg Georgia State Route 45 (former)
 * ID-45.svg Idaho State Highway 45
 * Illinois 45.svg Illinois Route 45 (former)
 * Indiana 45.svg Indiana State Road 45
 * Iowa 45.svg Iowa Highway 45 (former)
 * K-45 (1962).svg K-45 (Kansas highway) (former)
 * Louisiana 45.svg Louisiana Highway 45
 * MD Route 45.svg Maryland Route 45
 * Maryland Route 45A
 * Maryland Route 45B
 * Maryland Route 45C
 * Maryland Route 45D
 * Maryland Route 45E
 * MA Route 45.svg Massachusetts Route 45 (former)
 * M-45.svg M-45 (Michigan highway)
 * MN-45.svg Minnesota State Highway 45
 * MO-45.svg Missouri Route 45
 * N-45.svg Nebraska Highway 45
 * N LINK 45B.svg Nebraska Link 45B
 * N SPUR 45A.svg Nebraska Spur 45A
 * Nevada 45.svg Nevada State Route 45 (former)
 * NH Route 45.svg New Hampshire Route 45
 * Circle sign 45.svg New Jersey Route 45
 * Monmouth County Route 45 NJ.svg County Route 45 (Monmouth County, New Jersey)
 * New Mexico 45.svg New Mexico State Road 45
 * NY-45.svg New York State Route 45
 * Cattaraugus County 45.svg County Route 45 (Cattaraugus County, New York)
 * CR 45A jct.svg County Route 45A (Cayuga County, New York)
 * County Route 45B (Cayuga County, New York)
 * Erie County Route 45 NY.svg County Route 45 (Erie County, New York)
 * CR 45 jct.svg County Route 45 (Genesee County, New York)
 * CR 45 jct.svg County Route 45 (Greene County, New York)
 * CR 45 jct.svg County Route 45 (Herkimer County, New York)
 * CR 45 jct.svg County Route 45 (Jefferson County, New York)
 * CR 45 jct.svg County Route 45 (Niagara County, New York)
 * CR 45 jct.svg County Route 45 (Oswego County, New York)
 * CR 45 jct.svg County Route 45 (Otsego County, New York)
 * Putnam County Route 45 NY.svg County Route 45 (Putnam County, New York)
 * Rensselaer County Route 45 NY.svg County Route 45 (Rensselaer County, New York)
 * Saratoga County Route 45 NY.svg County Route 45 (Saratoga County, New York)
 * CR 45 jct.svg County Route 45 (St. Lawrence County, New York)
 * CR 45 jct.svg County Route 45 (Steuben County, New York)
 * Suffolk County Route 45 NY.svg County Route 45 (Suffolk County, New York)
 * Sullivan County Route 45 NY.svg County Route 45 (Sullivan County, New York)
 * Sullivan County Route 45A NY.svg County Route 45A (Sullivan County, New York)
 * CR 45 jct.svg County Route 45 (Ulster County, New York)
 * Washington County Route 45 NY.svg County Route 45 (Washington County, New York)
 * NC 45.svg North Carolina Highway 45
 * ND-45 (2015).svg North Dakota Highway 45
 * OH-45.svg Ohio State Route 45
 * Oklahoma State Highway 45.svg Oklahoma State Highway 45
 * PA-45.svg Pennsylvania Route 45
 * South Carolina 45.svg South Carolina Highway 45
 * SD 45.svg South Dakota Highway 45
 * Secondary Tennessee 45.svg Tennessee State Route 45
 * Texas 45.svg Texas State Highway 45
 * Texas Spur 45.svg Texas State Highway Spur 45
 * Texas FM 45.svg Farm to Market Road 45
 * Texas Park Road 45.svg Texas Park Road 45
 * Utah SR 45.svg Utah State Route 45
 * Virginia 45.svg Virginia State Route 45
 * WV-45.svg West Virginia Route 45
 * WIS 45.svg Wisconsin Highway 45 (former)