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
Queens Boulevard–Archer Avenue corridor New York City Subway trunk route
New York City Subway G line New York City Subway service
E train (nearby at Lexington Avenue–53rd Street and 7th Avenue–53rd Street)
surface form: E train
New York City Subway service
M train (nearby at Lexington Avenue–53rd Street)
surface form: M train
New York City Subway service
Line 2
surface form: Line 2 (Seville Metro)
proposed metro line
Line 4
surface form: Line 4 (Seville Metro)
proposed metro line
Osaka Metro Nankō Port Town Line Osaka Metro line
Beijing Subway Line 15 Beijing Subway line
U1 Berlin U-Bahn line
U2
surface form: U2 (Berlin U-Bahn)
Berlin U-Bahn line
U3 Berlin U-Bahn line
U4 Berlin U-Bahn line
U5 Berlin U-Bahn line
U8 Berlin U-Bahn line
Ramal (Ópera–Príncipe Pío) Madrid Metro line
E
surface form: E (New York City Subway service)
New York City Subway service
J New York City Subway service
Seoul Subway Line 1 Seoul Metropolitan Subway line
A (New York City Subway service) New York City Subway service
Line 9 western branch metro line branch
Seoul Subway Line 4 Seoul Metropolitan Subway line
SEPTA Broad–Ridge Spur
Lambertseter Line Oslo Metro line
C Line New York City Subway service
G Line New York City Subway service
L Line New York City Subway service
Q Line New York City Subway service
3 Line New York City Subway service
5 Line
surface form: 5 (New York City Subway service)
New York City Subway service
B Line New York City Subway service
D Line
surface form: D (New York City Subway service)
New York City Subway service
C train (IND Eighth Avenue Local) New York City Subway service
N Line New York City Subway service
R Line
surface form: R (New York City Subway service)
New York City Subway service
Nagoya Municipal Subway Meijō Line
S5 line Berlin S-Bahn line
Airport Line
surface form: Airport Line (Manchester Metrolink)
Manchester Metrolink line
MetroSur Madrid Metro line
North–South Line project metro line construction project
Holmenkollen Line Oslo Metro line
S (Shuttle) train New York City Subway service
Ramal (Madrid Metro) Madrid Metro line
Broad–Ridge Spur
Line 4A Santiago Metro line
Line 8 (planned) Santiago Metro line
Line 9 (planned) Santiago Metro line
Line 10 (planned) Santiago Metro line
N Judah light rail
surface form: N Judah
Muni Metro line
L10 Sud at Torrassa metro line branch
IND Fulton Local New York City Subway service