U.S. Route 66
E89106
U.S. Route 66 is a historic American highway, often called the "Mother Road," that became an iconic symbol of cross-country travel and mid-20th-century car culture.
All labels observed (32)
How this entity was disambiguated
This entity first appeared as the object of triple T173885 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: U.S. Route 66 Context triple: [United States Numbered Highway System, includes, U.S. Route 66]
-
A.
Old U.S. Route 40
Old U.S. Route 40 is a historic transcontinental highway that once connected the U.S. East and West Coasts, serving as a major early 20th-century travel and commerce route across the country.
-
B.
U.S. Route 61
U.S. Route 61 is a major north–south United States highway, often called the "Blues Highway," that runs along the Mississippi River from New Orleans, Louisiana, to the Minnesota–Canada border.
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C.
U.S. Route 6
U.S. Route 6 is a major transcontinental U.S. highway running from Massachusetts to California, historically known as one of the longest highways in the United States.
-
D.
U.S. Route 50
U.S. Route 50 is a major transcontinental U.S. highway running east–west across the country from the Atlantic coast in Maryland to California, passing through numerous states and key cities along the way.
-
E.
Interstate 40
Interstate 40 is a major east–west transcontinental highway in the United States that stretches from California to North Carolina, passing through several key cities and states.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: U.S. Route 66 Target entity description: U.S. Route 66 is a historic American highway, often called the "Mother Road," that became an iconic symbol of cross-country travel and mid-20th-century car culture.
-
A.
Old U.S. Route 40
Old U.S. Route 40 is a historic transcontinental highway that once connected the U.S. East and West Coasts, serving as a major early 20th-century travel and commerce route across the country.
-
B.
U.S. Route 61
U.S. Route 61 is a major north–south United States highway, often called the "Blues Highway," that runs along the Mississippi River from New Orleans, Louisiana, to the Minnesota–Canada border.
-
C.
U.S. Route 6
U.S. Route 6 is a major transcontinental U.S. highway running from Massachusetts to California, historically known as one of the longest highways in the United States.
-
D.
U.S. Route 50
U.S. Route 50 is a major transcontinental U.S. highway running east–west across the country from the Atlantic coast in Maryland to California, passing through numerous states and key cities along the way.
-
E.
Interstate 40
Interstate 40 is a major east–west transcontinental highway in the United States that stretches from California to North Carolina, passing through several key cities and states.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
United States Numbered Highway
ⓘ
historic highway ⓘ |
| alsoKnownAs |
Main Street of America
ⓘ
Mother Road ⓘ U.S. Route 66 ⓘ
surface form:
Route 66
US 66 ⓘ Will Rogers Highway ⓘ |
| commissionedOn | November 11, 1926 ⓘ |
| country | United States of America ⓘ |
| culturalSignificance |
associated with American migration to the West
ⓘ
icon of mid-20th-century car culture ⓘ symbol of American road travel ⓘ |
| decommissionedOn | June 27, 1985 ⓘ |
| endPoint |
Santa Monica, California, United States
ⓘ
surface form:
Santa Monica, California
|
| featuredIn |
John Steinbeck novel "The Grapes of Wrath"
ⓘ
song "Route 66" ⓘ
surface form:
song "(Get Your Kicks on) Route 66"
|
| hasDesignation |
U.S. Route 66
self-linksurface differs
ⓘ
surface form:
Historic Route 66 (various state segments)
|
| hasHeritageStatus |
All-American Road
ⓘ
surface form:
All-American Road (portions)
National Scenic Byway ⓘ
surface form:
U.S. National Scenic Byway (portions)
|
| hasIconicLocation |
Cadillac Ranch
ⓘ
Chain of Rocks Bridge ⓘ Petrified Forest National Park ⓘ
surface form:
Petrified Forest National Park segment
Santa Monica Pier terminus marker ⓘ |
| hasTourismType |
heritage tourism
ⓘ
road trip tourism ⓘ |
| inception | 1926 ⓘ |
| length |
approximately 2,448 miles
ⓘ
approximately 3,940 kilometers ⓘ |
| maintainedBy | state highway agencies (historic segments) ⓘ |
| nicknameCoinedBy | John Steinbeck ⓘ |
| notableEvent | served as a major route for Dust Bowl migrants in the 1930s ⓘ |
| openedToTraffic | 1927 ⓘ |
| originallyMaintainedBy | state highway departments under U.S. Highway System ⓘ |
| partOf | United States Numbered Highway System ⓘ |
| passesThrough |
Arizona
ⓘ
California, United States ⓘ
surface form:
California
Illinois ⓘ Kansas ⓘ Missouri ⓘ New Mexico ⓘ Oklahoma ⓘ Texas ⓘ |
| replacedBy |
Interstate 10
ⓘ
Interstate 15 ⓘ Interstate 40 ⓘ Interstate 44 ⓘ Interstate 55 NERFINISHED ⓘ |
| routeNumber | 66 ⓘ |
| startPoint |
Chicago, Illinois, United States
ⓘ
surface form:
Chicago, Illinois
|
| terminusA |
Chicago, Illinois, United States
ⓘ
surface form:
Chicago, Illinois
|
| terminusB |
Santa Monica
ⓘ
surface form:
Santa Monica, California
|
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: U.S. Route 66 Description of subject: U.S. Route 66 is a historic American highway, often called the "Mother Road," that became an iconic symbol of cross-country travel and mid-20th-century car culture.
Referenced by (162)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Route 66
this entity surface form:
historic U.S. Route 66
this entity surface form:
historic U.S. Route 66
this entity surface form:
historic U.S. Route 66
this entity surface form:
Historic U.S. Route 66
this entity surface form:
U.S. Route 66 near Peach Springs, Arizona
this entity surface form:
U.S. Route 66 (historic)