Cintura line

The Cintura line (Portuguese: Linha de Cintura, formerly called Linha de Circumvalação de Lisboa) is a railway line in Lisbon, Portugal. The half circle route was opened in 1888 and serves as a connection between all railway lines in Lisbon: The Cascais, Sul, Sintra, and Norte Lines. There are two railway triangles, one in Sete Rios, and another in Xabregas. It crosses all four Lisbon Metro lines, and connects to three of those at four stations.

Cintura line
Overview
StatusOperational
OwnerInfraestruturas de Portugal
LocaleLisbon, Portugal
Termini
Connecting linesNorte line, Cascais line, Sintra line, Sul line
Stations7 (1 planned)
Service
Depot(s)Campolide Depot
Technical
Line length12 km (7.5 mi)
Number of tracksSingle-track (From Port of Lisbon to Campolide), Double-track (From Campolide to Sete-Rios, from Roma-Areeiro to Braço de Prata), and Quadruple-track (From Sete-Rios to Roma-Areeiro
Track gauge1,668 mm (5 ft 5+2132 in) Iberian gauge
Electrification25 kV / 50 Hz Overhead line (from Alcântara-Terra to Braço de Prata)
Route map
Linha de Cintura
km
Port of Lisbon
Linha de Cascais
0.000
Alcântara-Terra
Campolide A
3.027
4.050
Sete Rios
5.377
Entrecampos-Poente
5.930
Entrecampos
7.014
Roma-Areeiro
Xabregas junction
to Linha do Norte
9.684
Marvila
10.500
Braço de Prata
Detailed diagram
km
Alcântara Dock
R. Doca de Alcântara
Alcântara North Dock
Alcântara flyover
Santo Amaro Dock
Port of Lisbon
Terminal das Areias
Av. Brasília
Linha de Cascais original route
Linha de Cascais to Cascais
2.668
Av. Índia
Alcântara flyover
R. Cascais
Alcântara overpass
Carris tram
C. Sré–C. Qb. . Av. 24 J.│R. O. Mig.
0.000
Alcântara-Terra
↑ freight only
electrified section
Alcântara tunnel (514 m)
R. Arco Carvalhão
0.443
0.521
Alcântara tunnel II (78 m) (daylighted)
slip ramp
IC 15 / A 5 (
Duarte Pacheco
viaduct
)
slip ramp
Alcântara flyover
Av. Gulbenkian
Cç. Estação
Campolide A
EMEF Campolide
Linha de Sintra to Sintra
freight-only connection
3.027
Benfica–Campolide A Junction
Av. Correia Barreto
Sete Rios Junction wye track
original route
CP Lisboa layover tracks
R. Campolide
Av. Columbano
4.050
Sete Rios
R. Lima Basto
4.522
siding removed c. 2001
Laranjeiras
Av. Combatentes
R. Benif.
5.092
Rego
R. Rego
freight bypass
5.377
Entrecampos-Poente
5.700
5 de Outubro
(199x–1999)
Av. 5 de Outubro
Municipal
Slaughterhouse
(
closed
c.1960
)
5.930
Entrecampos
Avenida da República
route until 1968
Variante
(cancelled)
overpass
6.200
Entrecampos phase break:85
6.500
Avenida de Roma
(
proposed
cancelled 1945
)
7.014
Roma-Areeiro
Nova Estação
Central de Lisboa
(cancelled)
Av. Gago Coutinho
7.700
Terminal Técnico de Chelas
Variante
(cancelled)
Chelas
(projposed)  Red line 
Av. Carlos Pinhão
8.689
Chelas
8.632
Chelas Junction
8.698
Chelas Cç. Pich.
Xabregas Junction
to Linha do Norte
Estr. Chelas
R. Cima Chelas
Ramal do Montijo
via Montijo–Grilos Bridge
(
cancelled
extension
)
Az. Salgada
9.684
Marvila
Az. Alfinetes
R. Q. Mq. Abrantes
10.183
R. J. Patrocínio
R. V. Formoso Cima
Av. Inf. D. Henrique
10.500
Braço de Prata
Lisboa-Gare do Oriente
km
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