Tatra T2 tram
E1029989
The Tatra T2 tram is a mid-20th-century Czechoslovak streetcar model that adapted and localized the American PCC design for use across Eastern European urban transit systems.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Tatra T2 tram canonical | 3 |
| Tatra T2 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T13233360 — 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: Tatra T2 tram Context triple: [PCC streetcar, influenced, Tatra T2 tram]
-
A.
Tatra T1 tram
The Tatra T1 tram is an early postwar Czechoslovak streetcar model that adapted American PCC technology into a robust, standardized design widely used across Eastern Europe.
-
B.
Tatra T3 tram
The Tatra T3 tram is a widely produced and iconic Czechoslovakian streetcar model, renowned for its robust design and extensive use across Eastern Europe and the former Soviet bloc.
-
C.
Tatra K2 tram
The Tatra K2 tram is a high-capacity articulated tramcar of Czechoslovak design that has been widely used in several Central and Eastern European cities.
-
D.
Tatra KT8D5 tram
The Tatra KT8D5 tram is a high-floor, articulated tramcar model produced in Czechoslovakia in the 1980s, widely used in several Central and Eastern European cities.
-
E.
T-68 tram
The T-68 tram was a type of light rail vehicle used on Greater Manchester’s Metrolink system in the UK before being replaced by newer models.
- 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: Tatra T2 tram Target entity description: The Tatra T2 tram is a mid-20th-century Czechoslovak streetcar model that adapted and localized the American PCC design for use across Eastern European urban transit systems.
-
A.
Tatra T1 tram
The Tatra T1 tram is an early postwar Czechoslovak streetcar model that adapted American PCC technology into a robust, standardized design widely used across Eastern Europe.
-
B.
Tatra T3 tram
The Tatra T3 tram is a widely produced and iconic Czechoslovakian streetcar model, renowned for its robust design and extensive use across Eastern Europe and the former Soviet bloc.
-
C.
Tatra K2 tram
The Tatra K2 tram is a high-capacity articulated tramcar of Czechoslovak design that has been widely used in several Central and Eastern European cities.
-
D.
Tatra KT8D5 tram
The Tatra KT8D5 tram is a high-floor, articulated tramcar model produced in Czechoslovakia in the 1980s, widely used in several Central and Eastern European cities.
-
E.
T-68 tram
The T-68 tram was a type of light rail vehicle used on Greater Manchester’s Metrolink system in the UK before being replaced by newer models.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
rail vehicle
ⓘ
streetcar ⓘ tramcar model ⓘ |
| axleArrangement | Bo′+Bo′ ⓘ |
| bodyConstruction | all-steel welded body ⓘ |
| bogieConfiguration | two-axle bogies ⓘ |
| carLength | approximately 14.5 m ⓘ |
| collectionMethod | pantograph ⓘ |
| controlSystem | PCC-based electric control ⓘ |
| countryOfOrigin | Czechoslovakia ⓘ |
| designedFor | standard gauge tram networks ⓘ |
| designInfluence | PCC streetcar design ⓘ |
| doorConfiguration | three double-leaf doors on right side ⓘ |
| driverCab | single-ended ⓘ |
| electricSystem | 600 V DC overhead line ⓘ |
| floorType | high-floor ⓘ |
| followedBy | Tatra T3 ⓘ |
| height | approximately 3.1 m ⓘ |
| heritageOperation |
Brno historic tram services
ⓘ
Prague historic tram services ⓘ
linked to:
Prague trams
|
| inception | 1955 ⓘ |
| introducedToService | mid-1950s ⓘ |
| manufacturer | ČKD Tatra ⓘ |
| maximumSpeed | 65 km/h ⓘ |
| notableFeature |
resilient PCC-style running gear
ⓘ
rounded streamlined body design ⓘ |
| numberBuilt | 771 ⓘ |
| operator |
Bratislava tram system
ⓘ
linked to:
Bratislava public transport network
Brno tram system ⓘ
linked to:
Brno tram network
Košice tram system ⓘ
linked to:
Košice public transport network
Most and Litvínov tram system ⓘ Ostrava tram system ⓘ
linked to:
Ostrava public transport network
Prague Public Transit Company ⓘ
linked to:
Prague public transport network
Riga tram system ⓘ
linked to:
Riga tram lines
Soviet urban tram systems ⓘ |
| powerOutput | 4 x 40 kW ⓘ |
| precededBy | Tatra T1 ⓘ |
| presentUse | heritage and museum operations ⓘ |
| primaryUse | urban public transport ⓘ |
| productionEnd | 1962 ⓘ |
| productionStart | 1955 ⓘ |
| status | mostly withdrawn from regular service ⓘ |
| trackGauge | 1435 mm ⓘ |
| usedInCountry |
Czechoslovakia
ⓘ
Latvia ⓘ Russia ⓘ Soviet Union ⓘ Ukraine ⓘ |
| variant |
T2R
ⓘ
T2SU ⓘ |
| variantOf | PCC concept adapted for Czechoslovakia ⓘ |
| width | approximately 2.5 m ⓘ |
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: Tatra T2 tram Description of subject: The Tatra T2 tram is a mid-20th-century Czechoslovak streetcar model that adapted and localized the American PCC design for use across Eastern European urban transit systems.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.