U.S. Route 91
E841399
U.S. Route 91 is a historic north–south U.S. Highway in the western United States that once stretched from California to the Canadian border but is now largely superseded by Interstate 15.
All labels observed (2)
| Label | Occurrences |
|---|---|
| U.S. Route 91 canonical | 6 |
| U.S. Route 91 in California | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T8880685 — 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 91 Context triple: [Box Elder County, Utah, contains, U.S. Route 91]
-
A.
State Highway 91
State Highway 91 is a state highway in Colorado that connects the Leadville area in Lake County to Interstate 70 near Copper Mountain, traversing high-altitude mountain terrain.
-
B.
U.S. Route 95
U.S. Route 95 is a major north–south United States highway running from the Mexican border in Arizona to the Canadian border in Idaho, traversing several western states.
-
C.
U.S. Route 81
U.S. Route 81 is a major north–south United States highway running from Texas to the Canadian border, historically following much of the old Meridian Highway route.
-
D.
U.S. Route 191
U.S. Route 191 is a north–south United States highway that runs through the Four Corners region, connecting communities across Arizona, Utah, and surrounding states.
-
E.
U.S. Route 190
U.S. Route 190 is an east–west U.S. Highway running across Texas and Louisiana, connecting cities such as Brady, Austin’s vicinity, and Baton Rouge.
- 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 91 Target entity description: U.S. Route 91 is a historic north–south U.S. Highway in the western United States that once stretched from California to the Canadian border but is now largely superseded by Interstate 15.
-
A.
State Highway 91
State Highway 91 is a state highway in Colorado that connects the Leadville area in Lake County to Interstate 70 near Copper Mountain, traversing high-altitude mountain terrain.
-
B.
U.S. Route 95
U.S. Route 95 is a major north–south United States highway running from the Mexican border in Arizona to the Canadian border in Idaho, traversing several western states.
-
C.
U.S. Route 81
U.S. Route 81 is a major north–south United States highway running from Texas to the Canadian border, historically following much of the old Meridian Highway route.
-
D.
U.S. Route 191
U.S. Route 191 is a north–south United States highway that runs through the Four Corners region, connecting communities across Arizona, Utah, and surrounding states.
-
E.
U.S. Route 190
U.S. Route 190 is an east–west U.S. Highway running across Texas and Louisiana, connecting cities such as Brady, Austin’s vicinity, and Baton Rouge.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
U.S. Highway
ⓘ
former mainline U.S. Highway ⓘ |
| category |
Former U.S. Highways in Arizona
ⓘ
Former U.S. Highways in California ⓘ Former U.S. Highways in Montana ⓘ Former U.S. Highways in Nevada ⓘ U.S. Highways in Idaho ⓘ U.S. Highways in Utah ⓘ |
| connects |
Brigham City, Utah
NERFINISHED
ⓘ
Idaho Falls, Idaho NERFINISHED ⓘ Logan, Utah (via nearby junctions) NERFINISHED ⓘ Pocatello, Idaho (via nearby junctions) NERFINISHED ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| currentNorthernTerminus | Idaho Falls, Idaho NERFINISHED ⓘ |
| currentSouthernTerminus | Brigham City, Utah NERFINISHED ⓘ |
| designation | US 91 NERFINISHED ⓘ |
| established | 1926 ⓘ |
| formerConnects |
Great Falls, Montana
NERFINISHED
ⓘ
Las Vegas, Nevada NERFINISHED ⓘ Los Angeles area NERFINISHED ⓘ Salt Lake City, Utah NERFINISHED ⓘ |
| formerNorthernConnection | Highway 4 (Alberta) NERFINISHED ⓘ |
| formerNorthernTerminus |
Canada–United States border at Sweetgrass, Montana
NERFINISHED
ⓘ
Sweetgrass, Montana NERFINISHED ⓘ |
| formerPassesThrough |
Arizona
NERFINISHED
ⓘ
California NERFINISHED ⓘ Montana NERFINISHED ⓘ Nevada NERFINISHED ⓘ |
| formerSouthernTerminus |
Long Beach, California
NERFINISHED
ⓘ
U.S. Route 101 in Long Beach, California NERFINISHED ⓘ |
| hasJunctionWith |
Interstate 15 in Idaho
NERFINISHED
ⓘ
Interstate 15 in Utah NERFINISHED ⓘ |
| highwaySystem | United States Numbered Highway System ⓘ |
| historicRole | primary north–south route between Southern California and the Canadian border before Interstate 15 ⓘ |
| locatedInRegion | Western United States NERFINISHED ⓘ |
| maintainedBy |
Idaho Transportation Department
NERFINISHED
ⓘ
Utah Department of Transportation NERFINISHED ⓘ |
| orientation | north–south ⓘ |
| parallelTo | Interstate 15 NERFINISHED ⓘ |
| partOf | original 1926 U.S. Highway network ⓘ |
| passesThrough |
Idaho
NERFINISHED
ⓘ
Utah NERFINISHED ⓘ |
| serves |
Bannock County, Idaho
NERFINISHED
ⓘ
Bingham County, Idaho NERFINISHED ⓘ Box Elder County, Utah NERFINISHED ⓘ Cache Valley NERFINISHED ⓘ |
| supersededBy |
Interstate 15
NERFINISHED
ⓘ
Interstate Highway System NERFINISHED ⓘ |
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 91 Description of subject: U.S. Route 91 is a historic north–south U.S. Highway in the western United States that once stretched from California to the Canadian border but is now largely superseded by Interstate 15.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Logan, Utah
this entity surface form:
U.S. Route 91 in California
this entity surface form:
U.S. Route 91 in California