BNSF San Bernardino Subdivision

E706271

freight rail line railway line

The BNSF San Bernardino Subdivision is a major freight rail line in Southern California operated by BNSF Railway, serving as a key corridor for transcontinental rail traffic.

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All labels observed (5)

Label	Occurrences
BNSF Railway San Bernardino Subdivision	2
BNSF San Bernardino Subdivision canonical	1
BNSF main line through Cajon Pass	1
BNSF main line toward Los Angeles Basin	1
Los Angeles Basin to the east via BNSF	1

How this entity was disambiguated

This entity first appeared as the object of triple T8030180 — 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: BNSF San Bernardino Subdivision
Context triple: [San Bernardino–Santa Fe Depot, partOf, BNSF San Bernardino Subdivision]

A. BNSF Seligman Subdivision
BNSF Seligman Subdivision is a major freight and passenger rail line in northern Arizona that forms part of the transcontinental route between Southern California and the Midwest.
B. BNSF Scenic Subdivision
The BNSF Scenic Subdivision is a major BNSF Railway line through Washington state’s Cascade Mountains, known for its steep grades, tunnels, and use by both freight and passenger trains.
C. BNSF Railway Monticello Subdivision
The BNSF Railway Monticello Subdivision is a freight and passenger rail corridor in Minnesota that carries BNSF trains as well as Metro Transit's Northstar commuter rail service between Minneapolis and its northwestern suburbs.
D. Union Pacific Railroad Mojave Subdivision
The Union Pacific Railroad Mojave Subdivision is a freight rail line in Southern California that runs through the Mojave Desert, serving as a key east–west corridor for Union Pacific’s operations in the region.
E. BNSF La Junta Subdivision
BNSF La Junta Subdivision is a major freight and passenger rail line in the BNSF Railway network running through southeastern Colorado and surrounding regions.
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: BNSF San Bernardino Subdivision
Target entity description: The BNSF San Bernardino Subdivision is a major freight rail line in Southern California operated by BNSF Railway, serving as a key corridor for transcontinental rail traffic.

A. BNSF Seligman Subdivision
BNSF Seligman Subdivision is a major freight and passenger rail line in northern Arizona that forms part of the transcontinental route between Southern California and the Midwest.
B. BNSF Scenic Subdivision
The BNSF Scenic Subdivision is a major BNSF Railway line through Washington state’s Cascade Mountains, known for its steep grades, tunnels, and use by both freight and passenger trains.
C. BNSF Railway Monticello Subdivision
The BNSF Railway Monticello Subdivision is a freight and passenger rail corridor in Minnesota that carries BNSF trains as well as Metro Transit's Northstar commuter rail service between Minneapolis and its northwestern suburbs.
D. Union Pacific Railroad Mojave Subdivision
The Union Pacific Railroad Mojave Subdivision is a freight rail line in Southern California that runs through the Mojave Desert, serving as a key east–west corridor for Union Pacific’s operations in the region.
E. BNSF La Junta Subdivision
BNSF La Junta Subdivision is a major freight and passenger rail line in the BNSF Railway network running through southeastern Colorado and surrounding regions.
F. None of above. chosen

Statements (31)

Predicate	Object
instanceOf	freight rail line ⓘ railway line ⓘ
connectsTo	BNSF Cajon Subdivision ⓘ BNSF Needles Subdivision ⓘ BNSF Transcon main line ⓘ linked to: BNSF Southern Transcon
country	United States ⓘ linked to: United States of America
electrification	none ⓘ
function	key corridor for transcontinental rail traffic ⓘ
hasEndpoint	San Bernardino area (approximate western/central anchor) ⓘ linked to: Downtown San Bernardino
hasTrackConfiguration	double track (in significant portions) ⓘ
hasTrainControl	Positive Train Control (PTC) (implemented on BNSF main lines) ⓘ linked to: Positive Train Control
importance	major freight artery in Southern California ⓘ
infrastructureType	heavy rail ⓘ
interchangesWith	other Class I railroads in Southern California (via connecting yards and junctions) ⓘ
locatedIn	Southern California ⓘ
locatedInState	California ⓘ linked to: California, United States
openTo	freight traffic only (primarily) ⓘ
operator	BNSF Railway ⓘ
owner	BNSF Railway ⓘ
partOf	BNSF Railway network ⓘ linked to: BNSF Railway North American freight rail network ⓘ linked to: North American rail network
partOfCorridor	BNSF Southern Transcon ⓘ
primaryUse	freight transportation ⓘ
railGauge	standard gauge ⓘ
regionServed	Greater Los Angeles area ⓘ linked to: Greater Los Angeles Area Inland Empire ⓘ
signallingSystem	Centralized Traffic Control ⓘ
trafficType	intermodal freight ⓘ manifest freight ⓘ unit trains ⓘ
usedBy	BNSF Railway freight trains ⓘ

How these facts were elicited