# List of highways numbered 66

The following highways are numbered 66:

## 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, a national highway connecting Nemea with 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, D.C.
** Interstate 66 (Kansas–Kentucky), a former proposed highway to connect Kansas with Kentucky
* U.S. Route 66, the most common meaning. Since 1985, when US 66 was decommissioned, several states where US 66 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 US 66.
* 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