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List of highways numbered 66

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJun 2, 2026
Entity authorityQ58818277
Source-derived summary

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 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.

Editorial summary

This brief starts where responsible research should: with the source description of “List of highways numbered 66” as wikimedia list article. Everything that follows is an evidence route, not borrowed authority.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current lead gives the account dated anchors—1985—that can be checked directly. The selected authority fields contribute no independent date. The account is most persuasive where List, highways and numbered can be independently traced.
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The subject matters to the general reference register because the source frames it as wikimedia list article. Its deeper value depends on whether names, dates, institutions and citations support that framing.

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Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Jun 2, 2026. The linked authority identifier is Q58818277. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1985.

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Source & attribution

This entry incorporates text from List of highways numbered 66” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.