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 |
|---|---|
| M service | rapid transit route |
| M9 line | — |
|
Line 1
surface form:
Line 1 (Nanjing Metro)
|
— |
|
Line 2
surface form:
Line 2 (Nanjing Metro)
|
metro line |
|
Line 3
surface form:
Line 3 (Nanjing Metro)
|
— |
|
Line 10
surface form:
Line 10 (Nanjing Metro)
|
— |
| S1 Line | — |
| S3 Line | — |
| S7 Line | — |
| S9 Line | — |
| Tianjin Metro Line M7 | — |
| M11 line | — |
|
Line 1
surface form:
Line 1 (Beijing Subway)
|
— |
|
Line 2
surface form:
Line 2 (Beijing Subway)
|
— |
|
Line 6
surface form:
Line 6 (Beijing Subway)
|
— |
|
Line 10
surface form:
Line 10 (Beijing Subway)
|
metro line |
| Batong Line | — |
| Capital Airport Express | — |
|
IND Eighth Avenue Line and IND Sixth Avenue Line
surface form:
IND Eighth Avenue Line
|
New York City Subway trunk line |
| J line | rapid transit service |
| L line | — |
|
Line 4
surface form:
Line 4 (Nanjing Metro)
|
— |
| S8 Line | — |
| Changsha Metro Line 2 | — |
| New York City Subway B line | — |
| Osaka Metro Midosuji Line | — |
| Tianjin Metro Line M8 | — |
| M13 line | — |
| S6 Line | — |
| Changsha Metro Line 3 | — |
| Paris Métro Line 6 | — |
| M14 line | metro line |
| Frognerseteren Line | metro line |
|
Line 4
surface form:
Line 4 (Beijing Subway)
|
— |
|
Line 13
surface form:
Line 13 (Beijing Subway)
|
metro line |
|
S4 Line
surface form:
S4 Line (Nanjing Metro)
|
— |
| Changsha Metro Line 4 | — |
| New York City Subway D line | — |
| Changsha Metro Line 5 | — |
| Tianjin Metro Line Z1 | planned metro line |
|
South Brooklyn Line (now part of Culver Line)
surface form:
South Brooklyn Line
|
— |
|
Linha Vermelha
surface form:
Linha Vermelha (Lisbon Metro)
|
metro line |
| S-Bahn Ringbahn | urban rail line |
|
tramway of Aubagne
surface form:
Tramway of Aubagne
|
light rail system |
| M16 line | — |
| M29 line | metro line |
| New York City Subway 4 line | rapid transit service |
| North South Line | Mass Rapid Transit line |
| Thomson–East Coast Line | — |
| Tianjin Metro Line Z5 | planned metro line |