rapid transit line
C640
concept
A rapid transit line is a high-capacity, high-frequency urban rail route operating on an exclusive or mostly separated right-of-way to provide fast, reliable public transportation between key areas of a city or metropolitan region.
All labels observed (78)
| Label | Occurrences |
|---|---|
| rapid transit line canonical | 982 |
| metro line | 494 |
| light rail line | 275 |
| rapid transit service | 116 |
| light rail system | 114 |
| planned metro line | 72 |
| public transport line | 58 |
| New York City Subway line | 51 |
| public transit line | 44 |
| Paris Métro line | 30 |
| Los Angeles Metro Rail line | 24 |
| heavy rail line | 24 |
| London Underground line | 19 |
| urban rail line | 19 |
| MBTA Green Line branch | 18 |
| Moscow Metro line | 18 |
| light metro line | 16 |
| public transportation route | 16 |
| Mexico City Metro line | 15 |
| Washington Metro line | 14 |
| Tokyo Metro line | 11 |
| New York City Subway trunk line | 10 |
| Chicago 'L' line | 9 |
| mass rapid transit line | 9 |
| Mass Rapid Transit line | 6 |
| Shenzhen Metro line | 6 |
| light metro system | 6 |
| line of the Moscow Metro | 6 |
| rapid transit line branch | 6 |
| transit line | 6 |
| Delhi Metro line | 5 |
| S-train line | 5 |
| MTR line | 4 |
| former rapid transit line | 4 |
| rapid transit service pattern | 4 |
| Chicago Transit Authority line | 3 |
| MBTA Red Line branch | 3 |
| Réseau Express Régional line | 3 |
| fully automated metro line | 3 |
| rapid transit route | 3 |
| rapid transit service route | 3 |
| urban transit line | 3 |
| BTS Skytrain line | 2 |
| Bay Area Rapid Transit line | 2 |
| Bay Area Rapid Transit service | 2 |
| Chicago "L" line | 2 |
| Montreal Metro line | 2 |
| SkyTrain line | 2 |
| component of the New York City Subway | 2 |
| high-speed metro line | 2 |
| intercity rapid transit line | 2 |
| orbital metro line | 2 |
| urban rail corridor | 2 |
| 'L' line | 1 |
| London Underground line extension | 1 |
| Mass Transit Railway line | 1 |
| Metro Rail line | 1 |
| Metrorail line | 1 |
| Metrorail service | 1 |
| Noida Metro corridor | 1 |
| S-Bahn trunk route | 1 |
| heavy rail metro line | 1 |
| heavy rail transit line | 1 |
| heavy-rail metro line | 1 |
| high-speed urban rail line | 1 |
| maglev rapid transit line | 1 |
| metro rail transit line | 1 |
| metro-style rail system | 1 |
| metropolitan railway service | 1 |
| rapid transit branch | 1 |
| rapid transit lines | 1 |
| rapid transit service branch | 1 |
| rapid transit trunk line | 1 |
| suburban rapid transit line | 1 |
| subway-style railway | 1 |
| tuyến đường sắt đô thị | 1 |
| underground rail line | 1 |
| urban rail transit route | 1 |
Description generation (CDg)
The one-sentence description above was generated by prompting gpt-5.1 with the class name and this instruction.
Instruction
generate a one-sentence description for a given conceptual class. # Response Format Return only the sentence: "Description: [one-sentence description of the conceptional class]"
Input
Class: rapid transit line
Generated description
A rapid transit line is a high-capacity, high-frequency urban rail route operating on an exclusive or mostly separated right-of-way to provide fast, reliable public transportation between key areas of a city or metropolitan region.
Instances (1,930)
| Instance | Via concept surface |
|---|---|
| Fourth Avenue subway corridor | rapid transit route |
| Purple Line light rail corridor | light rail line |
| Berlin U-Bahn line U1 | — |
| South Manchester Line | light rail line |
| N | rapid transit service |
| Q | rapid transit service |
|
R
surface form:
R (New York City Subway service)
|
rapid transit service |
| W | rapid transit service |
|
DLR
surface form:
Docklands Light Railway
|
light metro system |
| Busan Metro Line 4 | metro line |
| Maskoŭskaja line | metro line |
| Fulton Street subway corridor | New York City Subway trunk line |
| TRAM d’Alacant light rail connection | light rail system |
| Aŭtazavodskaja line | metro line |
| Zielonalužskaja line | — |
| Orange Line northbound | rapid transit service |
|
RER line A (nearby at Conflans-Fin-d’Oise)
surface form:
RER line A
|
Réseau Express Régional line |
| Xochimilco Light Rail | light rail line |
| TRAM de Castellón | light rail system |
| Frankfurt U1 | — |
| Frankfurt U2 | — |
| Tramway d’Île-de-France | light rail system |
| Frankfurt U3 | — |
|
Kakhovskaya line (historical) / Line 11K
surface form:
Kakhovskaya line (historical)
|
line of the Moscow Metro |
|
ALN
surface form:
Line 2 (Mexico City Metro)
|
metro line |
| Tramway line T11 Express | public transport line |
| Frankfurt U8 | — |
|
Line 7
surface form:
Line 7 (Moscow Metro)
|
— |
| North East Line | Mass Rapid Transit line |
| Line 8A | Moscow Metro line |
| Frankfurt U9 | — |
| Gimpo Gold Line | light metro line |
| Mattapan High-Speed Line | light rail line |
| BART Pittsburg/Bay Point line (historical) | rapid transit service route |
| Expo Line (Los Angeles Metro) | light rail line |
|
A Line
surface form:
A Line (Los Angeles Metro)
|
light rail line |
|
B Line
surface form:
B Line (Los Angeles Metro)
|
— |
|
C Line
surface form:
C Line (Los Angeles Metro)
|
light rail line |
|
Red Line as B Line and D Line
surface form:
Red Line (Los Angeles Metro)
|
— |
|
New York City Subway J line
surface form:
J (New York City Subway service)
|
rapid transit service |
| R service (Queens Boulevard Line terminal) | rapid transit service |
| Purple Line (CTA) | — |
| MBTA Mattapan High-Speed Line | light rail line |
| D Line | Los Angeles Metro Rail line |
|
E Line
surface form:
E Line (Los Angeles Metro)
|
light rail line |
|
Green Line as C Line
surface form:
Green Line (Los Angeles Metro)
|
light rail line |
|
Tokyo Metro Hibiya Line (nearby via Kasumigaseki)
surface form:
Tokyo Metro Hibiya Line
|
— |
| Yellow Line (CTA) | — |
| Kakhovskaya Line | — |
| K Line | light rail line |