subway line

C641
concept

A subway line is a fixed route within an urban rail transit system, consisting of a sequence of stations and tracks over which trains operate according to a scheduled service.

All labels observed (73)

Label Occurrences
New York City Subway service 139
subway line canonical 66
Beijing Subway line 41

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: subway line
Generated description
A subway line is a fixed route within an urban rail transit system, consisting of a sequence of stations and tracks over which trains operate according to a scheduled service.

Instances (520)

Instance Via concept surface
Bakerloo line deep-level tube line
Línea 6 Circular Madrid Metro line
A train (Rockaway branch) New York City Subway service
Line 7A
surface form: Line 7A (Madrid Metro)
metro line branch
Oslo Metro Grorud Line Oslo Metro line
New York City Subway 2 line New York City Subway service
Røa Line Oslo Metro line
Oslo Metro Furuset Line Oslo Metro line
Oslo Metro Østensjø Line Oslo Metro line
Oslo Metro Lambertseter Line Oslo Metro line
Oslo Metro Røa Line Oslo Metro line
부산 도시철도 2호선 도시철도 노선
부산 도시철도 3호선 부산 도시철도 노선
Hanzōmon Line
Oslo Metro Sognsvann Line Oslo Metro line
Oslo Metro Kolsås Line Oslo Metro line
Oslo Metro Østerås Line Oslo Metro line
Melbourne Underground Rail Loop underground railway system
MURL underground railway system
Piccadilly line deep-level tube line
Oslo Metro Holmenkollen Line Oslo Metro line
S8 line Berlin S-Bahn line
S45 line Berlin S-Bahn line
Waterloo & City line deep-level tube line
S46 line Berlin S-Bahn line
New York City Subway C line New York City Subway service
7 New York City Subway service
Berlin U-Bahn line U2 Berlin U-Bahn line
M service New York City Subway service
Line 1
surface form: Line 1 (Beijing Subway)
Beijing Subway line
Line 6
surface form: Line 6 (Beijing Subway)
Beijing Subway line
Batong Line Beijing Subway line
Capital Airport Express Beijing Subway line
J line New York City Subway service
Z line New York City Subway service
L line New York City Subway service
New York City Subway B line New York City Subway service
Osaka Metro Midosuji Line
Line 4
surface form: Line 4 (Beijing Subway)
Beijing Subway line
Line 13
surface form: Line 13 (Beijing Subway)
Beijing Subway line
New York City Subway D line New York City Subway service
New York City Subway 4 line New York City Subway service
S1 Line Beijing Subway line
Line 7
surface form: Line 7 (Beijing Subway)
Beijing Subway line
Line 8
surface form: Line 8 (Beijing Subway)
Beijing Subway line
B (IND Concourse Line) New York City Subway service
2 (IRT White Plains Road Line) New York City Subway service
Line 9
surface form: Line 9 (Beijing Subway)
Beijing Subway line
Fangshan Line Beijing Subway line
Suburban Line
surface form: Suburban Line (Beijing)
Beijing Subway line