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The name line 9 (L9) can refer either to the whole project of L9/L10 or to the common trunk plus the L9 branches. The total system will have a length of 47.8 km (29.7 mi), of which 43.71 km (27.16 mi) will be underground and 4.09 km (2.54 mi) will be on viaducts.[3] L9/L10 will be the deepest line in the Barcelona network, with tunnels up to 80 metres (262 ft 6 in) below the surface, and some stations with platforms up to 60 metres (196 ft 10 in) below.[4]
Line 9 shares its route with L10 for a large part. Its commercial speed is 37 kilometres per hour (23 mph).[5]
Construction
Train arriving at Airport T1 station.Elevators offering access to platforms from the lobby at Fondo station.Llefià station.
Autoritat del Transport Metropolità approved the plan for metro and light rail lines in the Barcelona metropolitan area that included line 9 in 1999. The next year ATM began planning and design with construction starting in 2002.[6][7]
Originally expected to be ready by 2008, ongoing problems with its construction delayed its expected completion until as late as 2013–2014. It was subsequently further delayed to 2016.[8]
On 13 December 2009,[9] the section between Can Peixauet and Can Zam, with the exception of Santa Rosa station, opened to the public. A further station, Bon Pastor, opened on 18 April 2010; as the first section of L10 was opened. The section from La Sagrera to Bon Pastor (except Sagrera | TAV station) opened on 26 June 2010.
Line 9 is being bored by a single 11.95 metres (39 ft 2 in) tunnel boring machine (TBM) – where other metros bore a pair of tunnels, one for each direction,[11] Line 9's wider tunnel is broad enough to stack two lines of tracks and for the route's stations.
Because the route passes through different geological conditions, the TBM is designed to replace the cutterheads with heads suited for the current conditions.[11] In June 2010 the TBM's hard rock cutterhead was replaced with its original cutterhead, designed to bore through clay.
Accessing either of the airport stations requires a valid ticket, as announced on the ticket vending machines and inside the trains. An Airport Ticket is available for 5.15 euros.
Entering or exiting the metro line from the airport stations in Terminal 1 and Terminal 2 requires a valid ticket. A Single Ticket (Bitllet Senzill), a T-casual (formerly T-10), or a T-familiar are not considered valid, and will not allow exiting the line through these stations. An Airport Ticket at a charge of 5.15 euros can be purchased before exiting the metro.
All time-based tickets with unlimited journeys (daily, monthly, quarterly or Hola BCN! tickets) are considered valid, and passengers travelling with them do not need to purchase any additional tickets to access these stations.[12]
References
^"Què és la L9?" [What is the L9 / L10?]. L9 (in Catalan). Generalitat de Catalunya. Archived from the original on 26 July 2015. Retrieved 18 September 2015.
^Institut d'Estudis Catalans (2006). Anuari territorial de Catalunya 2005 (in Catalan). Barcelona: Societat Catalana d'Ordenació del Territori. ISBN84-7283-881-1.
^ ab"Second cutterhead change for Barcelona TBM". Tunnel talk. June 2010. Retrieved 28 January 2016. The 11.95m diameter machine has been working on the Metro's Line 9 project for the UTE LINIA 9 consortium of the Spanish and Catalan companies FCC / FERROVIAL / OHL / COPSICA / COPISA since 2003.
