Route 6, or Highway 6, may refer to routes in the following countries:
International Asian Highway 6 European route E6 European route E006
Albania National Road SH6
Argentina Buenos Aires Provincial Route 6
Australia New South Wales A6 (Sydney)
Queensland Logan Motorway Flinders Highway, Queensland
Tasmania Huon Highway
Proposals F6 Extension (Proposed)
Austria Nordost Autobahn
Bolivia National Route 6 (Bolivia)
Bulgaria A6 motorway (Bulgaria) I-6 road (Bulgaria)
Cambodia National Highway 6 (Cambodia)
Canada Alberta Highway 6 British Columbia Highway 6 Manitoba Highway 6 New Brunswick Route 6 (1927–1965) New Brunswick Route 6 (1965–1984) Northwest Territories Highway 6 Nova Scotia Trunk 6 Ontario Highway 6 Prince Edward Island Route 6 Quebec Route 6 (former) Saskatchewan Highway 6 Yukon Highway 6 (Canol Road)
China G6 Expressway
Costa Rica National Route 6
Czech Republic D6 Motorway I/6 Highway
Djibouti RN-6 (Djibouti)
Dominican Republic DR-12
France Autoroute_A6 (french)
Germany Bundesautobahn 6
Greece A6 motorway (Attiki Odos) EO6 road
Hong Kong Route 6 (Hong Kong)
Hungary M6 motorway (Hungary) Main road 6 (Hungary)
India National Highway 6 (India)
Indonesia Indonesian National Route 6
Iran Freeway 6 (Iran)
Iraq Highway 6 (Iraq)
Ireland M6 motorway (Republic of Ireland) N6 road (Ireland)
Israel Highway 6 (Israel)
Italy Autostrada A6 RA 6
Japan
Route 6 (Nagoya Expressway)
Korea, South National Route 6
Malaysia
Malaysia Federal Route 6 Johor State Route J6 Negeri Sembilan State Route N6
New Zealand State Highway 6 (New Zealand)
Nigeria Nigeria Trunk Road A6
Paraguay National Route 6
Philippines Circumferential Road 2 Radial Road 6 N6 highway (Philippines) E6 expressway (Philippines)
Romania Drumul Naţional 6 A6 motorway (Romania)
Russia M6 highway (Russia)
Taiwan National Freeway 6
Thailand Motorway 6 (Thailand) Ukraine Highway M06 (Ukraine)
United Kingdom M6 motorway M6 Toll A6 road (England) A6 road (Isle of Man) A6 road (Northern Ireland)
United States U.S. Route 6 New England Interstate Route 6 (former) New England Route 6B Alabama State Route 6 (former) County Route 6 (Lee County, Alabama) Alaska Route 6 Arkansas Highway 6 (former) California State Route 6 (former) County Route A6 (California) County Route D6 (California) County Route E6 (California) County Route G6 (California) County Route J6 (California) County Route J6 (California) County Route S6 (California) Delaware Route 6 Florida State Road 6 County Road 6 (Columbia County, Florida) Georgia State Route 6 Idaho State Highway 6 Illinois Route 6 Indiana State Road 6 (former) K-6 (Kansas highway) Kentucky Route 6 Louisiana Highway 6 Louisiana State Route 6 (former) Maine State Route 6 Maryland Route 6 M-6 (Michigan highway) Minnesota State Highway 6 County Road 6 (Dakota County, Minnesota) County Road 6 (Goodhue County, Minnesota) County Road 6 (Hennepin County, Minnesota) County Road 6 (Ramsey County, Minnesota) County Road 6 (St. Louis County, Minnesota) County Road 6 (Washington County, Minnesota) Mississippi Highway 6 Missouri Route 6 Nevada State Route 6 (former) Nevada State Route 6B (former) Nevada State Route 6C (former) New Jersey Route 6 (former) County Route 6 (Monmouth County, New Jersey) County Route 6B (Monmouth County, New Jersey) New Mexico State Road 6 New York State Route 6 (1924–1927) (former) County Route 6 (Albany County, New York) County Route 6 (Allegany County, New York) County Route 6 (Cattaraugus County, New York) County Route 6 (Chautauqua County, New York) County Route 6 (Chenango County, New York) County Route 6 (Dutchess County, New York) County Route 6 (Erie County, New York) County Route 6 (Franklin County, New York) County Route 6 (Genesee County, New York) County Route 6 (Greene County, New York) County Route 6 (Hamilton County, New York) County Route 6 (Jefferson County, New York) County Route 6 (Madison County, New York) County Route 6 (Niagara County, New York) County Route 6 (Oneida County, New York) County Route 6 (Ontario County, New York) County Route 6 (Orange County, New York) County Route 6 (Oswego County, New York) County Route 6 (Rensselaer County, New York) County Route 6 (Schoharie County, New York) County Route 6 (Schuyler County, New York) County Route 6 (St. Lawrence County, New York) County Route 6 (Steuben County, New York) County Route 6 (Suffolk County, New York) County Route 6 (Tioga County, New York) North Carolina Highway 6 (former) North Dakota Highway 6 Ohio State Route 6 (1923-1927) (former) Ohio State Route 6 (1927) (former) Ohio State Route 6 (pre-1931) (former) Oklahoma State Highway 6 Oregon Route 6 Pennsylvania Route 6 (former) Rhode Island Route 6 South Carolina Highway 6 Tennessee State Route 6 Texas State Highway 6 Texas State Highway Loop 6 (former) Texas State Highway Spur 6 Farm to Market Road 6 Texas Park Road 6 Texas Recreational Road 6 Utah State Route 6 Virginia State Route 6 Washington State Route 6 Washington State Highway 6 (former) West Virginia Route 6
Territories American Samoa Highway 006 Guam Highway 6 Puerto Rico Highway 6
Uruguay Route 6 Joaquín Suárez
Zambia T6 road (Zambia) M6 road (Copperbelt)
See also List of A6 roads List of highways numbered 6A