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.

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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
U1	—
Capen Street surface form: Mattapan trolley line	light rail line
Line 2	—
Detroit QLine	light rail line
BMT Lexington Avenue elevated	former rapid transit line
METRO D Line	public transit line
Stadtbahn Bielefeld	light rail system
Yellow Line surface form: Yellow Line (Tyne and Wear Metro)	metro line
Dortmund Stadtbahn	light rail system
L2 Randwick Line	light rail line
L3 Kingsford Line	light rail line
Ashland/63rd Branch	rapid transit line branch
Harlem/Lake–Cottage Grove	rapid transit service pattern
Harlem/Lake–Ashland/63rd	rapid transit service pattern
U6 (Vienna U-Bahn)	—
MTR East Rail line	—
MTR Tuen Ma line	heavy-rail metro line
Manila LRT Line 2	—
Moscow Metro Green Line	—
Line 9–Emerald	rapid transit service
Line 17–Gold	public transit line
Athens Metro Line 3	—
Sound Transit Link light rail	light rail system
7 train	rapid transit service
Englewood Branch	—
Shenzhen Metro Line 1	—
Newcastle Light Rail	light rail system
Myrtle Avenue Line	New York City Subway line
E	light rail line
L surface form: L (CTA Blue Line)	—