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 |
|---|---|
| J (New York City Subway service) | rapid transit service |
| L (New York City Subway service) | rapid transit service |
|
Purple Line
surface form:
Purple Line (METRORail)
|
light rail line |
| Z (New York City Subway service) | rapid transit service |
| Berlin U-Bahn line U5 | — |
| Green Line Lake Branch | — |
| Zamoskvoretskaya Line | Moscow Metro line |
|
Blue Line
surface form:
Blue Line (TRAX)
|
light rail line |
| D (New York City Subway service) | rapid transit service |
|
Orange Line
surface form:
Orange Line (Montreal Metro)
|
— |
| Älvsnabben ferry line | public transport line |
|
E branch of Boston’s MBTA Green Line light rail service
surface form:
Green Line E branch
|
light rail line |
| South Side Elevated branch | — |
|
Blue Line
surface form:
Blue Line (Calgary)
|
light rail line |
| Green Line Ashland/63rd Branch | rapid transit line branch |
| RER A | Réseau Express Régional line |
| S-train line E | S-train line |
| Orlyval automated shuttle | light metro line |
|
METRORail light rail
surface form:
METRORail
|
light rail system |
| Sviatoshynsko–Brovarska line | metro line |
| Syretsko–Pecherska line | metro line |
|
Sviatoshynsko–Brovarska line – red
surface form:
Sviatoshynsko–Brovarska line
|
metro line |
|
Syretsko–Pecherska line – green
surface form:
Syretsko–Pecherska line
|
metro line |
| Milan Metro Line 1 | — |
| Arbatsko–Pokrovskaya Line | Moscow Metro line |
| Obolonsko–Teremkivska line | metro line |
|
Xiamen Metro
surface form:
Xiamen Metro Line 1
|
metro line |
| Línea Dorada | Mexico City Metro line |
| Shenzhen Metro Line 3 | — |
| Line A (Mexico City Metro) | — |
| Shenzhen Metro Line 4 | metro line |
|
Green Line
surface form:
Green Line (Namma Metro)
|
metro line |
| Shenzhen Metro Line 7 | — |
|
Green Line
surface form:
Green Line (Chennai Metro)
|
metro line |
|
Green Line
surface form:
Green Line (Hyderabad Metro)
|
metro line |
|
Green Line
surface form:
Green Line (Sacramento RT)
|
light rail line |
| Washington Metro Silver Line | — |
| Beijing Subway Line 16 | — |
| Koltsevaya Line | Moscow Metro line |
| Green Line (Dubai Metro) | metro line |
| Shenzhen Metro Line 12 | metro line |
|
Red Line
surface form:
Red Line (MBTA)
|
— |
| Airport Express Line | — |
| Line 19 (Beijing Subway) | — |
|
Line 1
surface form:
Line 1 (Shenzhen Metro)
|
— |
|
Line 2
surface form:
Line 2 (Shenzhen Metro)
|
metro line |
|
Line 4
surface form:
Line 4 (Shenzhen Metro)
|
— |
|
Line 6
surface form:
Line 6 (Shenzhen Metro)
|
— |
|
Line 7
surface form:
Line 7 (Shenzhen Metro)
|
— |
|
Line 10
surface form:
Line 10 (Shenzhen Metro)
|
— |