The following highways are numbered 145:
Australia Lower Barrington Road, Paloona Road, Melrose Road, Bellamy Road, Forthside Road (Tasmania) Inverleigh–Winchelsea Road (Victoria)
Canada Winnipeg Route 145 New Brunswick Route 145 Prince Edward Island Route 145
Costa Rica National Route 145
Japan Japan National Route 145 Fukuoka Prefectural Route 145 Nara Prefectural Route 145
Malaysia Malaysia Federal Route 145
United Kingdom road B145 road
United States Alabama State Route 145 Arkansas Highway 145 California State Route 145 County Route 145 (California) Colorado State Highway 145 Connecticut Route 145 Florida State Road 145 County Road 145 (Hamilton County, Florida) Georgia State Route 145 Hawaii Route 145 Illinois Route 145 Indiana State Road 145 Iowa Highway 145 (former) Kentucky Route 145 Louisiana Highway 145 Maine State Route 145 Maryland Route 145 Massachusetts Route 145 M-145 (Michigan highway) (former) Mississippi Highway 145 Missouri Route 145 New Hampshire Route 145 New Mexico State Road 145 New York State Route 145 County Route 145 (Broome County, New York) County Route 145 (Fulton County, New York) County Route 145 (Herkimer County, New York) County Route 145 (Rensselaer County, New York) County Route 145 (Schenectady County, New York) North Carolina Highway 145 Ohio State Route 145 Oklahoma State Highway 145 Pennsylvania Route 145 South Carolina Highway 145 Tennessee State Route 145 Texas State Highway 145 (former) Texas State Highway Loop 145 Texas State Highway Spur 145 (former) Farm to Market Road 145 Utah State Route 145 Utah State Route 145 (1933-1969) (former) Virginia State Route 145 Wisconsin Highway 145
Territories Puerto Rico Highway 145