piston effect, which is unpleasant to passengers in the stations, built as double-track. Station Kobylisy is the first and as of 2008 only single-vaulted bored station in the prague metro. This segment holds several records in the Prague metro: Longest distance between two stations – Nádraží Holešovice and Kobylisy, 2,748 m Highest above-sea-level station – Ládví, deepest station below surface on line C – Kobylisy, Highest climb between two stations – Nádraží Holešovice and Kobylisy, Segment IV.C2 After opening of the previous segment, the construction immediately continued in the direction of Prosek and Letňany. The construction lasted almost 4 years until it was opened on May 8, 2008. The segment from Ládví to Prosek is built using cut-and-cover methods, while the segment from Prosek to Letňany is mostly bored. It is long and contains 3 stations. Summary Rolling stock Ечс: 1974 - 1997 81-71: 1978 - 2003 81-71M: 1996 - 2005 Siemens M1: 2000 - present Name changes References External links Architecture photo series of all stations of C line (Prague Metro) Prague Metro Railway lines opened in 1974