Barcelona Metro line 4

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Barcelona Metro Line 4
L3 barcelona.svg
L11 barcelona.svg
L3 barcelona.svg L11 barcelona.svg
Trinitat Nova L4 barcelona.svg end
Via Júlia depot
Via Júlia
Service connexion L5 barcelona.svg
L5 barcelona.svg
L9gris.svg L10gris.svg
Guinardó | Hospital de Sant Pau
L5 barcelona.svg
L2 barcelona.svg L3 barcelona.svg
Passeig de Gràcia Rodalies de Catalunya símbol.svg
Service connexion L4 barcelona.svg (old branch L3 barcelona.svg )
L1 barcelona.svg
Jaume I
Ciutadella | Vila Olímpica
Selva de Mar
El Maresme | Fòrum
Besòs Mar
L2 barcelona.svg
La Pau L4 barcelona.svg end
Service connexion L2 barcelona.svg
Triangle ferroviari depot
L9gris.svg L10gris.svg
Sagrera | TAV
L1 barcelona.svg L5 barcelona.svg L9 barcelona.svg L10 barcelona.svg
La Sagrera Enlargement*
(*) PDI 2009-2018
Barcelona Gran Metro (1934)
Diagonal-Psg de Gràcia (now Diagonal)
Aragó (now Psg. de Gràcia)
now L3 barcelona.svg
now L4 barcelona.svg
Jaume I
Correus (now closed)
The alignments for line 4 under the 1966 plan (in black) and 1974 plan (in grey) as well as the extension to Sagrera-Meridiana under construction (in dashed line)

L4 barcelona.svgLine 4, also known as Trinitat Nova – La Pau, usually called "línia groga" (yellow line), is a line in the Barcelona Metro network operated by TMB, and part of the ATM fare-integrated transport network. It serves the northern districts of the city, and it is being extended to the new major metro and rail stations Estació de la Sagrera and Sagrera-Meridiana.


Opened to the public in 1973, it serves the northern half of Barcelona using part of the infrastructure of Barcelona's first metro line the Gran Metro de Barcelona, covering a wide C-shaped area stretching from La Pau (in la Verneda) to Trinitat Nova, where it is linked with the recent L11. The 16.7 kilometres that make up the whole line are underground.

Although in 1966 it was planned for line 4 to be a loop line connecting Trinitat Nova and La Pau stations with three intermediate stations, in 1974 the plan was subsequently changed such that it became a C-shaped line of today, with provisions for two extensions northeast of Trinitat Nova (to link it with line 3 at the border of Barcelona and Santa Coloma de Gramenet) and La Pau stations (intended to penetrate inside Santa Coloma de Gramenet) that have never been realised.


  • 1973 – Joanic-Jaume I section opened (part of it had been part of L3 previously)
  • 1974 – Joanic-Guinardó section opened
  • 1976 – Jaume I-Barceloneta section opened
  • 1977 – Barceloneta-Selva de Mar section opened
  • 1982 – Guinardó-Via Júlia and Selva de Mar-La Pau sections opened.
  • 1985 – La Pau-Pep Ventura section opened
  • 1999 – Via Júlia-Trinitat Nova section opened.
  • 2002 – La Pau-Pep Ventura section closed (and moved to L2)
  • 2003 – El Maresme-Fòrum station opened.

Technical details[edit]

  • Colour on map: Yellow
  • Number of stations: 22
  • Type: Conventional metro
  • Length: 16.7 km (10.4 mi)
  • Rolling stock: 2100 and 9000 series
  • Journey time: 27 minutes
  • Track gauge: 1,435 mm (4 ft 8 12 in)
  • Traction: Electricity
  • Power supply: Rigid overhead wire
  • Open-air sections: No
  • Mobile phone coverage: Partial
  • Depots: Trinitat Nova, Verneda (Triangle Ferroviari)

Current stations[edit]

Trinitat Nova metro station: lines 4 and 11

Stations or lines shown in italics are under construction.


External links[edit]

Coordinates: 41°26′57″N 2°10′56″E / 41.44917°N 2.18222°E / 41.44917; 2.18222