Baltimore Transit Company
E111015
The Baltimore Transit Company was a private operator that ran streetcar and bus services in Baltimore, Maryland, before public transit was taken over by the state-run Maryland Transit Administration.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Baltimore Transit Company canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T943729 — 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 Transit Company Context triple: [Maryland Transit Administration, hasPredecessor, Baltimore Transit Company]
-
A.
Montebello Bus Lines
Montebello Bus Lines is a public transit agency serving the city of Montebello and surrounding communities in Los Angeles County with local and express bus services.
-
B.
Chicago Rapid Transit Company
The Chicago Rapid Transit Company was the private operator of Chicago’s elevated “L” rail system in the early 20th century before public transit was consolidated under the Chicago Transit Authority.
-
C.
Maryland Transit Administration
The Maryland Transit Administration is the state agency responsible for operating and overseeing public transportation services in Maryland, including bus, rail, and commuter transit systems.
-
D.
Chicago Surface Lines
Chicago Surface Lines was a privately operated streetcar and bus system that provided most of Chicago’s surface public transportation in the first half of the 20th century.
-
E.
Bee-Line Bus System
The Bee-Line Bus System is a public transit network operating local and express bus routes throughout Westchester County, New York, and into parts of New York City.
- 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 Transit Company Target entity description: The Baltimore Transit Company was a private operator that ran streetcar and bus services in Baltimore, Maryland, before public transit was taken over by the state-run Maryland Transit Administration.
-
A.
Montebello Bus Lines
Montebello Bus Lines is a public transit agency serving the city of Montebello and surrounding communities in Los Angeles County with local and express bus services.
-
B.
Chicago Rapid Transit Company
The Chicago Rapid Transit Company was the private operator of Chicago’s elevated “L” rail system in the early 20th century before public transit was consolidated under the Chicago Transit Authority.
-
C.
Maryland Transit Administration
The Maryland Transit Administration is the state agency responsible for operating and overseeing public transportation services in Maryland, including bus, rail, and commuter transit systems.
-
D.
Chicago Surface Lines
Chicago Surface Lines was a privately operated streetcar and bus system that provided most of Chicago’s surface public transportation in the first half of the 20th century.
-
E.
Bee-Line Bus System
The Bee-Line Bus System is a public transit network operating local and express bus routes throughout Westchester County, New York, and into parts of New York City.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
defunct company
ⓘ
public transit operator ⓘ |
| areaServed |
Baltimore
ⓘ
surface form:
Baltimore City
Baltimore suburbs ⓘ |
| category |
Companies based in Baltimore
ⓘ
Defunct public transport operators of the United States ⓘ Streetcars in Maryland ⓘ Transport in Baltimore ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| dissolvedIn | 1970s ⓘ |
| endDate | 1970 ⓘ |
| fareSystem | flat fare urban transit ⓘ |
| followedBy |
Maryland Transit Administration
ⓘ
Mass Transit Administration ⓘ |
| formedFrom | United Railways and Electric Company assets ⓘ |
| headquartersLocation | Baltimore ⓘ |
| historicalRole | primary transit provider in Baltimore before state takeover ⓘ |
| industry | public transportation ⓘ |
| locatedIn |
Baltimore
ⓘ
Maryland ⓘ |
| modeOfTransport |
motor bus
ⓘ
tram ⓘ trolleybus ⓘ |
| operated |
buses in Baltimore
ⓘ
streetcars in Baltimore ⓘ |
| operatedIn |
Baltimore–Washington metropolitan area
ⓘ
surface form:
Baltimore metropolitan area
|
| operatedRailGauge | 5 ft 4 1⁄2 in ⓘ |
| owner | National City Lines ⓘ |
| precededBy | United Railways and Electric Company ⓘ |
| regulatingAuthority |
Maryland
ⓘ
surface form:
State of Maryland
|
| replacedBy | state-run transit system ⓘ |
| serviceType |
bus service
ⓘ
streetcar service ⓘ |
| significantEvent | conversion of streetcar lines to bus routes ⓘ |
| startDate | 1935 ⓘ |
| successorOrganization |
Baltimore Metro planning entities
ⓘ
Maryland Transit Administration ⓘ
surface form:
Maryland Transit Administration bus system
|
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: Baltimore Transit Company Description of subject: The Baltimore Transit Company was a private operator that ran streetcar and bus services in Baltimore, Maryland, before public transit was taken over by the state-run Maryland Transit Administration.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.