California State Route 203
E440356
California State Route 203 is a state highway in eastern California that provides access to the town of Mammoth Lakes and the Mammoth Mountain ski area from U.S. Route 395.
All labels observed (2)
| Label | Occurrences |
|---|---|
| California State Route 203 canonical | 1 |
| SR 203 (California) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2573447 — 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: California State Route 203 Context triple: [District 9, maintainsRoute, California State Route 203]
-
A.
California State Route 238
California State Route 238 is a state highway in the San Francisco Bay Area that serves as a major north–south arterial route through cities including Hayward in Alameda County.
-
B.
California State Route 237
California State Route 237 is an east–west freeway in the San Francisco Bay Area that connects the cities of Mountain View and Milpitas, serving as a key commuter and tech-corridor route near Silicon Valley.
-
C.
California State Route 241
California State Route 241 is a toll freeway in Orange County that serves as part of the Foothill Transportation Corridor, providing an alternative north–south route to Interstate 5.
-
D.
California State Route 247
California State Route 247 is a state highway in Southern California that runs through the Mojave Desert, connecting the Lucerne Valley area with other desert communities and major routes.
-
E.
California State Route 29
California State Route 29 is a north–south state highway in Northern California that connects the Napa Valley wine region with Lake County and the North Coast via a mix of freeway and rural two-lane roadway.
- 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: California State Route 203 Target entity description: California State Route 203 is a state highway in eastern California that provides access to the town of Mammoth Lakes and the Mammoth Mountain ski area from U.S. Route 395.
-
A.
California State Route 238
California State Route 238 is a state highway in the San Francisco Bay Area that serves as a major north–south arterial route through cities including Hayward in Alameda County.
-
B.
California State Route 237
California State Route 237 is an east–west freeway in the San Francisco Bay Area that connects the cities of Mountain View and Milpitas, serving as a key commuter and tech-corridor route near Silicon Valley.
-
C.
California State Route 241
California State Route 241 is a toll freeway in Orange County that serves as part of the Foothill Transportation Corridor, providing an alternative north–south route to Interstate 5.
-
D.
California State Route 247
California State Route 247 is a state highway in Southern California that runs through the Mojave Desert, connecting the Lucerne Valley area with other desert communities and major routes.
-
E.
California State Route 29
California State Route 29 is a north–south state highway in Northern California that connects the Napa Valley wine region with Lake County and the North Coast via a mix of freeway and rural two-lane roadway.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
road transportation infrastructure
ⓘ
state highway ⓘ |
| abbreviation |
CA 203
ⓘ
SR 203 ⓘ |
| category |
Roads in the Sierra Nevada (United States)
ⓘ
State highways in California ⓘ Transportation in Mono County, California ⓘ |
| connectsWith | U.S. Route 395 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| designation |
SR 203 (California)
ⓘ
linked to:
California State Route 203
|
| easternTerminus | U.S. Route 395 ⓘ |
| hasDirectionA | West ⓘ |
| hasDirectionB | East ⓘ |
| hasJunctionWith | Minaret Road (local continuation toward ski area) ⓘ |
| hasSeasonalConditions | subject to winter weather impacts ⓘ |
| highwaySystem |
California State Route system
ⓘ
linked to:
California state highway system
|
| locatedIn |
Mono County, California
ⓘ
eastern California ⓘ |
| maintainedBy |
California Department of Transportation
ⓘ
linked to:
Caltrans
Caltrans District 9 ⓘ
linked to:
Caltrans
|
| near |
Inyo National Forest
ⓘ
Mammoth Yosemite Airport (via U.S. 395 connection) ⓘ |
| officialName | State Route 203 ⓘ |
| openTo | motor vehicles ⓘ |
| partOf |
California state highway network
ⓘ
linked to:
California state highway system
|
| passesThrough |
Mammoth Lakes, California
ⓘ
linked to:
Mammoth Lakes area
|
| providesAccessTo |
Mammoth Lakes, California
ⓘ
linked to:
Mammoth Lakes area
Mammoth Mountain ski area ⓘ
linked to:
Mammoth Mountain Ski Area
|
| region |
Eastern Sierra Nevada
ⓘ
linked to:
Eastern Sierra
|
| routeNumber | 203 ⓘ |
| routeType | east–west highway ⓘ |
| serves |
town of Mammoth Lakes, California
ⓘ
linked to:
Mammoth Lakes area
|
| state |
California
ⓘ
linked to:
California, United States
|
| surface | paved road ⓘ |
| traverses |
Sierra Nevada (California)
ⓘ
linked to:
Sierra Nevada
|
| usedFor |
access to ski resort
ⓘ
local access to Mammoth Lakes ⓘ tourist access ⓘ |
| westernTerminus |
Mammoth Mountain Main Lodge area
ⓘ
linked to:
Mammoth Mountain Ski Area
Mammoth Mountain ski area ⓘ
linked to:
Mammoth Mountain Ski Area
|
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: California State Route 203 Description of subject: California State Route 203 is a state highway in eastern California that provides access to the town of Mammoth Lakes and the Mammoth Mountain ski area from U.S. Route 395.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: California State Route 203