Green line (Stockholm metro)
This article was accepted into the corpus but its outbound wikilinks were never NER-processed — typical at the deepest BFS hop or when the run's entity cap was reached. No expansion funnel to show.
| Green line (Stockholm metro) | |
|---|---|
.png) | |
| Name | Green line |
| Native name | Gröna linjen |
| Color | 00843D |
| Type | Rapid transit |
| System | Stockholm metro |
| Locale | Stockholm, Sweden |
| Start | Alvik |
| End | Hagsätra / Farsta strand / Skarpnäck |
| Stations | 49 |
| Open | 1950 (tram to metro conversion earlier sections 1930s–1940s) |
| Owner | Storstockholms lokaltrafik |
| Operator | MTR Nordic |
| Character | Underground, elevated, at-grade |
| Linelength | 41.3 km |
| Electrification | 650 V DC (third rail) |
| Map state | collapsed |
Green line (Stockholm metro) The Green line is one of three main lines of the Stockholm metro, serving central and southern districts of Stockholm, Sweden. It links major hubs including Slussen, T-Centralen, Odenplan and suburban termini at Hagsätra, Fruängen, Skarpnäck and Farsta strand, integrating with commuter rail at Stockholm Central Station and light rail at Alvik. The line is operated by MTR Nordic under contract to SL and forms part of the Stockholm rapid transit network established during the mid-20th century.
History
Early rail transport in Stockholm involved tramway conversions associated with the interwar era, including projects by the Stockholm tramways and municipal planning by the City of Stockholm. The Green line traces roots to 1930s suburban tram routes and to decisions by the Stockholm City Council and Svenska Dagbladet-era debates about mass transit, culminating in metro construction during the 1940s and 1950s. Key milestones include the opening of the first metro tunnel sections linking Slussen and T-Centralen and the conversion of suburban routes to metro standard under directives from Storstockholms Lokaltrafik. Expansion phases were influenced by postwar housing policies from Miljonprogrammet and urban planners such as Sven Markelius and institutions like the Stockholm Building Department. Subsequent decades saw upgrades under Swedish transport agencies, procurement policies with manufacturers like ASEA and Bombardier, and operational contracts awarded to MTR. The Green line has been impacted by regional planning at the Stockholm County Council level and by events such as Stockholm International Exhibition-era urban renewal.
Route and operations
The Green line runs through central Stockholm via the city centre tunnel, connecting western branches at Alvik and Åkeshov with eastern and southern spurs to Skarpnäck, Farsta strand and Hagsätra. It interchanges with the Red line at T-Centralen and with the Blue line at T-Centralen and Fridhemsplan adjacency through pedestrian links. Operational control is coordinated by SL's traffic management and utilizes depots such as Högdalen depot and Vällingby depot while maintenance is conducted by contractors including MTR and suppliers like Siemens. Integration with regional networks includes transfers to Pendeltåg at Stockholm City Station and to tram services at Nockebybanan and Lidingöbanan.
Stations
Stations on the Green line include central interchanges like T-Centralen, historic hubs such as Slussen and suburban stops like Bagarmossen, Hökarängen and Söderby. Many stations feature art installations from the Stockholm art in the subway program, with contributions by artists linked to institutions like the Royal Institute of Art and exhibitions organised by the Stockholm Culture Administration. Architectural design reflects influences from figures including Lars-Erik Larsson-era planners, municipal architects and the National Board of Public Building. Accessibility improvements comply with Swedish regulations overseen by agencies such as the Swedish Transport Administration. Stations interface with municipal services, shopping areas tied to Gallerian and cultural sites like Kulturhuset.
Rolling stock
Rolling stock historically included early metro units supplied by ASEA and later modernised fleets from SL Cx series produced by manufacturers such as Adtranz and Bombardier. Present-day trains operating on the Green line are part of SL's Cx family, maintained under contract by MTR and serviced at depots like Högdalen. Technical partnerships for traction, braking and signalling involve companies including Siemens, Alstom, and component suppliers from the European rail industry. Procurement and lifecycle management are governed by SL procurement frameworks and influenced by directives from the European Union on interoperability and safety.
Service patterns and frequency
Service on the Green line is organized into three numbered routes that split into multiple branches, offering frequent peak and off-peak intervals coordinated with SL's network timetable. Frequencies vary from high-density central segments near T-Centralen to reduced intervals on peripheral branches to Skarpnäck and Hagsätra, with scheduling integrated with feeder buses operated by contractors such as Keolis and Transdev in regional partner agreements. Ridership levels are monitored by SL and reported to the Stockholm County Council, informing capacity planning and rolling stock allocation during events like Stockholm Marathon and peak commuter flows to employment centres in Kungsholmen and Norrmalm.
Infrastructure and signalling
The Green line uses third-rail electrification at 650 V DC and track infrastructure built to Swedish standards overseen by agencies like the Swedish Transport Administration and maintained in collaboration with contractors including NCC and Skanska. Signalling systems have evolved from legacy block systems to modern train control technologies provided by firms such as Bombardier and Siemens, with safety regulation under the Swedish Transport Agency. Tunnel construction employed techniques familiar to Stockholm Tunnel Construction Office projects, and stations include platform screen doors only in selective modernisations. Asset management incorporates condition monitoring and investment planning coordinated with regional infrastructure projects like the City Line.
Future plans and expansions
Future plans involve capacity upgrades, signalling renewals and proposals for branch extensions influenced by regional development strategies from the Stockholm County Administrative Board and municipal planning in Söderort. Studies by SL and consultants such as Sweco and Trafikverket evaluate potential infill stations, platform adaptations for longer trains, and interoperability projects tied to the Greater Stockholm growth strategy. Funding and approvals intersect with national transport budgets administered through Ministry of Infrastructure (Sweden) processes and EU cohesion funding mechanisms, while public consultations engage local boroughs like Enskede-Årsta-Vantör and stakeholders including commuter organisations and trade unions represented by Unionen.
Category:Stockholm metro lines