Baltimore and Ohio Railroad main line in Maryland
E1301781
UNEXPLORED
The Baltimore and Ohio Railroad main line in Maryland was a historic core route of one of the United States’ earliest railroads, serving as a key 19th-century transportation corridor linking the East Coast to the interior.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Baltimore and Ohio Railroad main line between Washington and Baltimore | 1 |
| Baltimore and Ohio Railroad main line in Maryland canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T18013885 — 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: Baltimore and Ohio Railroad main line in Maryland Context triple: [CSX Old Main Line Subdivision, successorTo, Baltimore and Ohio Railroad main line in Maryland]
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A.
Norfolk Southern Railway main line
The Norfolk Southern Railway main line is a major freight and passenger rail corridor in the eastern United States operated by Norfolk Southern Railway.
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B.
Baltimore rail network
The Baltimore rail network is the interconnected system of freight and passenger rail lines serving the Baltimore, Maryland metropolitan area, linking the city to regional and national rail corridors.
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C.
Washington–Baltimore rail corridor
The Washington–Baltimore rail corridor is a heavily traveled rail route linking the U.S. capital with Baltimore, used by both passenger and freight services and forming a key segment of the Northeast transportation network.
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D.
Ou Main Line
The Ōu Main Line is a major Japanese railway route in the Tōhoku region that runs roughly north–south through Honshu, connecting key cities including Aomori.
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E.
Southern Main Line
The Southern Main Line is a major Swedish railway route that connects key cities in the southern part of the country and serves as an important corridor for both passenger and freight traffic.
- 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: Baltimore and Ohio Railroad main line in Maryland Target entity description: The Baltimore and Ohio Railroad main line in Maryland was a historic core route of one of the United States’ earliest railroads, serving as a key 19th-century transportation corridor linking the East Coast to the interior.
-
A.
Norfolk Southern Railway main line
The Norfolk Southern Railway main line is a major freight and passenger rail corridor in the eastern United States operated by Norfolk Southern Railway.
-
B.
Baltimore rail network
The Baltimore rail network is the interconnected system of freight and passenger rail lines serving the Baltimore, Maryland metropolitan area, linking the city to regional and national rail corridors.
-
C.
Washington–Baltimore rail corridor
The Washington–Baltimore rail corridor is a heavily traveled rail route linking the U.S. capital with Baltimore, used by both passenger and freight services and forming a key segment of the Northeast transportation network.
-
D.
Ou Main Line
The Ōu Main Line is a major Japanese railway route in the Tōhoku region that runs roughly north–south through Honshu, connecting key cities including Aomori.
-
E.
Southern Main Line
The Southern Main Line is a major Swedish railway route that connects key cities in the southern part of the country and serves as an important corridor for both passenger and freight traffic.
- F. None of above. chosen
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
Washington–Baltimore rail corridor
→
historicalPrecursor
→
Baltimore and Ohio Railroad main line between Washington and Baltimore
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linked to: Baltimore and Ohio Railroad main line in Maryland