Old U.S. Route 40
E42262
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.
All labels observed (3)
| Label | Occurrences |
|---|---|
| National Old Trails Road | 1 |
| Old U.S. Route 40 canonical | 1 |
| U.S. Route 40 (historic) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T71105 — 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: Old U.S. Route 40 Context triple: [Donner Pass, traversedBy, Old U.S. Route 40]
-
A.
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.
-
B.
Generals Highway
Generals Highway is a scenic mountain road in California that winds through Sequoia and Kings Canyon National Parks, providing access to giant sequoia groves and major park attractions.
-
C.
U.S. Route 2
U.S. Route 2 is a major east–west United States highway that runs across the northern part of the country, stretching from the Great Lakes region to northern New England.
-
D.
Katy Trail
Katy Trail is a popular urban hike-and-bike trail in Dallas, Texas, converted from an old railroad line and known for jogging, cycling, and connecting several city neighborhoods.
-
E.
North Road
North Road was an early football ground in Newton Heath, Manchester, historically used by the club that later became Manchester United.
- 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: Old U.S. Route 40 Target entity description: 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.
-
A.
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.
-
B.
Generals Highway
Generals Highway is a scenic mountain road in California that winds through Sequoia and Kings Canyon National Parks, providing access to giant sequoia groves and major park attractions.
-
C.
U.S. Route 2
U.S. Route 2 is a major east–west United States highway that runs across the northern part of the country, stretching from the Great Lakes region to northern New England.
-
D.
Katy Trail
Katy Trail is a popular urban hike-and-bike trail in Dallas, Texas, converted from an old railroad line and known for jogging, cycling, and connecting several city neighborhoods.
-
E.
North Road
North Road was an early football ground in Newton Heath, Manchester, historically used by the club that later became Manchester United.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
former U.S. Highway
ⓘ
historic highway ⓘ |
| associatedWith | development of roadside businesses such as motels and diners ⓘ |
| connects |
East Coast of the United States
ⓘ
surface form:
U.S. East Coast
West Coast of the United States ⓘ
surface form:
U.S. West Coast
|
| country |
United States of America
ⓘ
surface form:
United States
|
| culturalSignificance | symbol of early coast‑to‑coast motoring in the U.S. ⓘ |
| economicImpact | facilitated regional trade across multiple states ⓘ |
| follows | historic National Road in the East ⓘ |
| hasHeritageStatus | recognized in places as a historic or scenic route ⓘ |
| hasRemnant |
frontage roads along Interstate corridors
ⓘ
local main streets in many towns ⓘ |
| hasRoadType |
four‑lane divided highway in some upgraded sections
ⓘ
two‑lane highway in many original sections ⓘ |
| hasSegmentDesignation |
Business U.S. 40 in some towns
ⓘ
U.S. Route 40 ⓘ |
| historicalEra | early 20th century ⓘ |
| infrastructureType | paved highway ⓘ |
| networkRole | part of early national highway grid ⓘ |
| notableFor |
linking multiple major U.S. cities
ⓘ
supporting early automobile tourism ⓘ supporting freight movement across the U.S. ⓘ |
| orientation | generally east–west ⓘ |
| partOf | United States Numbered Highway System ⓘ |
| passesThrough |
California, United States
ⓘ
surface form:
California
Colorado ⓘ Province of Delaware ⓘ
surface form:
Delaware
Illinois ⓘ Indiana ⓘ Kansas ⓘ Maryland ⓘ Missouri ⓘ Nevada ⓘ New Jersey, United States ⓘ
surface form:
New Jersey
Ohio ⓘ Pennsylvania ⓘ Utah ⓘ West Virginia ⓘ |
| replacedBy | Interstate Highway System ⓘ |
| roadNumber | 40 ⓘ |
| role | major early transcontinental automobile route ⓘ |
| status | largely decommissioned ⓘ |
| tourism | driving historic alignments as scenic byways ⓘ |
| transportMode | road transport ⓘ |
| use |
intercity commerce
ⓘ
long‑distance travel ⓘ |
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: Old U.S. Route 40 Description of subject: 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.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
U.S. Route 40 (historic)
this entity surface form:
National Old Trails Road