The following highways are numbered 66:

International

• European route E66

Australia

• Barkly Highway (Northern Territory)

• Riddoch Highway

Canada

• Alberta Highway 66

• Highway 66 (Ontario)

Cuba

• Autopista Sancti Spiritus (4-66)

Finland

• Kantatie 66 (Orivesi — Lapua)

France

• A66 autoroute

Germany

• Bundesautobahn 66

Greece

• Greek National Road 66, between Nemea station and Levidi via Skoteini

Hungary

• 66-os főút (Kaposvár – Pécs)

India

• National Highway 66 (India)

Ireland

• N66

Israel

• Highway 66 (Israel)

Malaysia

• Malaysia Federal Route 66

Philippines

• N66 highway (Philippines)

Slovakia

• Road 66 (Slovakia), from Slovak – Hungarian border at Šahy to Tatras mountain

Spain

• Autovía A-66 (Silver Route)

United Arab Emirates

• E 66

United Kingdom

• A66 road

• M66 motorway

United States

Interstate 66, a highway connecting Interstate 81 in Virginia, to Washington, DC

• Interstate 66 (Kansas–Kentucky), a former proposed highway to connect Kansas with Kentucky

• U.S. Route 66, the most common meaning. Since 1985, when US66 was decommissioned, several states where US66 passed have re-commissioned part of the former route in that state as a state route 66. In the list of state routes 66 below, those marked with an asterisk (*) have a connection with the former US66.

• Alabama State Route 66

• Arizona State Route 66*

• Arkansas Highway 66

California State Route 66*

• County Route 66 (San Bernardino County, California)*

• Colorado State Highway 66

• Connecticut Route 66

• Florida State Road 66

• Georgia State Route 66

• Hawaii Route 66

• Idaho State Highway 66

• Illinois Route 66 (former)

• Indiana State Road 66

• Iowa Highway 66

• K-66 (Kansas highway)*

• Kentucky Route 66

• Louisiana Highway 66

• Maryland Route 66

• Massachusetts Route 66

• M-66 (Michigan highway)

Minnesota State Highway 66

• County Road 66 (Hennepin County, Minnesota)

Missouri Route 66*

• Missouri Route 66 (1922) (former)

• Montana Highway 66

Nebraska Highway 66

• Nebraska Spur 66A

• Nebraska Spur 66C

• Nebraska Spur 66D

• Nebraska Spur 66E

• Nevada State Route 66 (former)

• New Jersey Route 66

New York State Route 66

County Route 66A (Cayuga County, New York)

• County Route 66B (Cayuga County, New York)

• County Route 66 (Chautauqua County, New York)

• County Route 66 (Dutchess County, New York)

• County Route 66 (Jefferson County, New York)

• County Route 66 (Monroe County, New York)

• County Route 66 (Onondaga County, New York)

• County Route 66 (Putnam County, New York)

• County Route 66 (Rensselaer County, New York)

• County Route 66 (Saratoga County, New York)

• County Route 66 (Schoharie County, New York)

• County Route 66 (Suffolk County, New York)

• County Route 66 (Sullivan County, New York)

• County Route 66A (Westchester County, New York)

• North Carolina Highway 66

• North Dakota Highway 66

• Ohio State Route 66

Oklahoma State Highway 66*

• Oklahoma State Highway 66B*

• Oregon Route 66

• Pennsylvania Route 66

• Puerto Rico Highway 66

• South Carolina Highway 66

• Tennessee State Route 66

Texas State Highway 66

• Texas State Highway Loop 66 (former)

• Texas State Highway Spur 66

• Farm to Market Road 66

• Texas Park Road 66

• U.S. Virgin Islands Highway 66

• Utah State Route 66

• Vermont Route 66

• Virginia State Route 66 (former)

• West Virginia Route 66

• Wisconsin Highway 66

See also

• A66 (disambiguation)