MĚSTSKÁ DRÁHA (CITYBANAN) - VÝSTAVBA TUNELU POD KOSTELEM GUSTAVA VASY UNDERGROUND MASS TRANSIT SYSTEM (CITYBANAN) - TUNNEL CONSTRUCTION UNDER GUSTAV VASA CHURCH

The Transport Authority (Trafikverket) has been developing an underground mass transit system (Citybanan) in central Stockholm. The works commenced in 2008 by sinking of access shafts and the commissioning of the system is planned for 2017. The project is the largest deed of the modern time in the area of Swedish infrastructure. It comprises, among other structures, a 6km long railway tunnel including a service tunnel running under a central Stockholm.