Union Pacific Railroad Sacramento Subdivision

E1515403 UNEXPLORED

The Union Pacific Railroad Sacramento Subdivision is a key freight rail line in Northern California that carries Union Pacific traffic through the Sacramento area as part of its transcontinental network.

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All labels observed (1)

Label	Occurrences
Union Pacific Railroad Sacramento Subdivision canonical	2

How this entity was disambiguated

This entity first appeared as the object of triple T22004733 — 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: Union Pacific Railroad Sacramento Subdivision
Context triple: [Union Pacific Railroad Martinez Subdivision, followedBy, Union Pacific Railroad Sacramento Subdivision]

A. Union Pacific Railroad Fresno Subdivision
The Union Pacific Railroad Fresno Subdivision is a key freight and passenger rail corridor in California’s Central Valley that carries both Union Pacific trains and Altamont Corridor Express commuter services.
B. Union Pacific Railroad Coast Subdivision
The Union Pacific Railroad Coast Subdivision is a key rail corridor in California that carries both freight and commuter services, including trains operated by the Altamont Corridor Express.
C. Union Pacific Railroad Oakland Subdivision
The Union Pacific Railroad Oakland Subdivision is a key freight and passenger rail corridor in Northern California that connects the East Bay with the Central Valley and is used by services such as the Altamont Corridor Express.
D. Union Pacific Valley Subdivision
The Union Pacific Valley Subdivision is a railroad line operated by Union Pacific that serves as a key freight corridor within its regional rail network.
E. Union Pacific Railroad Niles Subdivision
The Union Pacific Railroad Niles Subdivision is a freight and passenger rail corridor in California’s East Bay and Tri-Valley region that carries both Union Pacific trains and commuter services such as the Altamont Corridor Express.
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: Union Pacific Railroad Sacramento Subdivision
Target entity description: The Union Pacific Railroad Sacramento Subdivision is a key freight rail line in Northern California that carries Union Pacific traffic through the Sacramento area as part of its transcontinental network.

A. Union Pacific Railroad Fresno Subdivision
The Union Pacific Railroad Fresno Subdivision is a key freight and passenger rail corridor in California’s Central Valley that carries both Union Pacific trains and Altamont Corridor Express commuter services.
B. Union Pacific Railroad Coast Subdivision
The Union Pacific Railroad Coast Subdivision is a key rail corridor in California that carries both freight and commuter services, including trains operated by the Altamont Corridor Express.
C. Union Pacific Railroad Oakland Subdivision
The Union Pacific Railroad Oakland Subdivision is a key freight and passenger rail corridor in Northern California that connects the East Bay with the Central Valley and is used by services such as the Altamont Corridor Express.
D. Union Pacific Valley Subdivision
The Union Pacific Valley Subdivision is a railroad line operated by Union Pacific that serves as a key freight corridor within its regional rail network.
E. Union Pacific Railroad Niles Subdivision
The Union Pacific Railroad Niles Subdivision is a freight and passenger rail corridor in California’s East Bay and Tri-Valley region that carries both Union Pacific trains and commuter services such as the Altamont Corridor Express.
F. None of above. chosen

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Union Pacific Railroad Martinez Subdivision → followedBy → Union Pacific Railroad Sacramento Subdivision ⓘ

Union Pacific Railroad Martinez Subdivision → connectsTo → Union Pacific Railroad Sacramento Subdivision ⓘ

All labels observed (1)

How this entity was disambiguated Show

Referenced by (2)

How this entity was disambiguated