The following highways are numbered 25:
International Asian Highway 25 European route E25 Arab Mashreq Road 25
Argentina National Route 25
Australia Barton Highway (A25) ( – Under Construction) Palmerston Highway (State Route 25) – (Queensland) – King Island (Tasmania)
Austria Welser Autobahn
Canada Alberta Highway 25 Manitoba Highway 25 Ontario Highway 25 (former) Prince Edward Island Route 25 Quebec Autoroute 25 Saskatchewan Highway 25
China G25 Expressway
Colombia National Route 25
Cuba Highway 2–25
Czech Republic I/25 Highway; Czech: Silnice I/25
Finland Finnish national road 25
Germany Bundesautobahn 25
Greece A25 motorway EO25 road
Iceland Route 25 (Iceland)
India
Ireland N25 road (Ireland)
Israel Highway 25 (Israel)
Italy Autostrada A25
Japan Japan National Route 25 Meihan Expressway Nishi-Meihan Expressway
Jordan
Korea, South Expressway 25 Honam Expressway Nonsan–Cheonan Expressway National Route 25
Malaysia
Mexico Mexican Federal Highway 25
New Zealand New Zealand State Highway 25 New Zealand State Highway 25A
Portugal A25 motorway (Portugal)
Romania Drumul Național 25 (DN25)
United Kingdom British A25 (Addington-Guilford) M25 (London Circular) A25 road (Northern Ireland)
United States Interstate 25 U.S. Route 25 U.S. Route 25W U.S. Route 25E New England Route 25 (former) Alabama State Route 25 County Route 25 (Lee County, Alabama) Arkansas Highway 25 California State Route 25 County Route A25 (California) County Route J25 (California) County Route S25 (California) Colorado State Highway 25 (former) Connecticut Route 25 Florida State Road 25 County Road 25 (Lake County, Florida) County Road 25 (Marion County, Florida) Georgia State Route 25 Idaho State Highway 25 Illinois Route 25 Indiana State Road 25 Iowa Highway 25 K-25 (Kansas highway) Louisiana Highway 25 Maine State Route 25 Maryland Route 25 Massachusetts Route 25 M-25 (Michigan highway) Minnesota State Highway 25 County Road 25 (Hennepin County, Minnesota) County Road 25 (Ramsey County, Minnesota) County Road 25 (Washington County, Minnesota) Mississippi Highway 25 Missouri Route 25 Montana Highway 25 Nebraska Highway 25 Nevada State Route 25 (former) New Hampshire Route 25 New Jersey Route 25 (former) County Route 25 (Monmouth County, New Jersey) New York State Route 25 County Route 25 (Allegany County, New York) County Route 25 (Cattaraugus County, New York) County Route 25 (Chenango County, New York) County Route 25 (Columbia County, New York) County Route 25 (Essex County, New York) County Route 25 (Genesee County, New York) County Route 25 (Jefferson County, New York) County Route 25 (Nassau County, New York) County Route 25 (Niagara County, New York) County Route 25 (Oneida County, New York) County Route 25 (Onondaga County, New York) County Route 25 (Ontario County, New York) County Route 25 (Oswego County, New York) County Route 25 (Otsego County, New York) County Route 25 (Schoharie County, New York) County Route 25 (Suffolk County, New York) County Route 25 (Sullivan County, New York) County Route 25 (Tioga County, New York) County Route 25 (Ulster County, New York) County Route 25 (Washington County, New York) County Route 25 (Westchester County, New York) County Route 25 (Yates County, New York) North Carolina Highway 25 (former) North Dakota Highway 25 Ohio State Route 25 Oklahoma State Highway 25 Redwood Highway No. 25 in Oregon Pennsylvania Route 25 South Carolina Highway 25 (former) South Dakota Highway 25 Tennessee State Route 25 Texas State Highway 25 Texas State Highway Loop 25 Farm to Market Road 25 (former) Texas Park Road 25 Utah State Route 25 Vermont Route 25 State Route 25 (Virginia 1918-1933) (former) Washington State Route 25 West Virginia Route 25 Wisconsin Highway 25
Territories Puerto Rico Highway 25 Puerto Rico Highway 25R
See also List of A25 roads List of highways numbered 25A List of highways numbered 25B List of highways numbered 25C