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 |
|---|---|
| Line 12 Tláhuac–Mixcoac corridor | metro line |
| MRT Grey Line | — |
| Kaluzhsko–Rizhskaya Line | Moscow Metro line |
| MTR Tung Chung Line | — |
| Osaka Metro Sennichimae Line | — |
| M1 line | — |
|
A
surface form:
A Line (Los Angeles Metro)
|
light rail line |
|
C
surface form:
C Line (Los Angeles Metro)
|
light rail line |
| MRT Dark Red Line | mass rapid transit line |
| M2 line | — |
| Metro Blue Line | light rail line |
| Metropolitan West Side Elevated Railroad | — |
| M3 line | — |
| U4 | — |
| U5 | — |
| M4 line | — |
| Shanghai Metro Line 22 | planned metro line |
| BMT West End Line | New York City Subway line |
| Washington Metro Red Line | — |
| Ligne 2 | Paris Métro line |
| Line 2 (Beijing Subway) | metro line |
| Line 4 (Beijing Subway) | — |
| Airport Express (Beijing Subway) | — |
|
Line 1
surface form:
Line 1 (Beijing Subway)
|
metro line |
| Line 13 at Dongzhimen | metro line |
| Braintree branch | — |
| BMT Franklin Avenue Line | New York City Subway line |
| Line 5 (Beijing Subway) | — |
| Line 10 (Beijing Subway) | metro line |
|
Beijing Subway Line 14 (via transfer bus links and area connections)
surface form:
Beijing Subway Line 14
|
— |
|
Nanchang Metro
surface form:
Nanchang Metro Line 1
|
metro line |
| Line 1 (Beijing Subway) | — |
| E Line (Los Angeles Metro) | light rail line |
|
Line 1
surface form:
Line 1 (Athens Metro)
|
— |
|
Line 2
surface form:
Line 2 (Athens Metro)
|
— |
|
Line 4 (U-shaped new metro line)
surface form:
Line 4 (Athens Metro)
|
metro line |
|
M1
surface form:
M1 (Copenhagen Metro)
|
metro line |
|
M2
surface form:
M2 (Copenhagen Metro)
|
metro line |
| M3 | metro line |
| M4 | metro line |
| City Circle Line | metro line |
| Harbour Line | metro line |
| Washington Street Elevated | former rapid transit line |
|
Line 3
surface form:
Line 3 (Athens Metro)
|
metro line |
| B line | S-train line |
| Bx line | S-train line |
|
C line
surface form:
C line (Copenhagen S-train)
|
S-train line |
| H line | S-train line |
|
Copenhagen light rail (Ring 3 Letbane, via interchanges)
surface form:
Copenhagen light rail (Ring 3 Letbane)
|
light rail line |
| C Line (Los Angeles Metro) | light rail line |