Koznitsa (tunnel)

Koznitsa is a railway tunnel under the Koznitsa ridge in the Stara planina (Balkan Mountains), the longest tunnel in Bulgaria. The tunnel is located between the Bulgarian towns of Koprivshtitsa and Klisura and is 5,808 m long.[1][2] It is the seventh tunnel on the SofiaKarlovo line, starting at the exit of Koprivshtitsa station and ending just before Stryama station. Along its entire length the tunnel is straight and at Koprivshtitsa the lights of the locomotive are visible a long distance into the tunnel.

Koznitsa
Overview
LineSofiaKarlovo
Operation
Constructed1949–1951
OpenedJune 6, 1951 (1951-06-06)
OwnerNational Railway Infrastructure Company
Technical
Length5,808.5 m
No. of trackssingle track
Track gauge1,435 mm (4 ft 8 12 in) (standard gauge)
Electrified25 kV
Highest elevation818 m
Lowest elevation798 m
Grade2.0‰ / 6.4‰
Route map
Koznitsa (tunnel) (Bulgaria)

References

  1. Рулев, Димитър; Марков, Минчо (2007). Електрифицираните железници на България, т. 1 (1903-1995) (in Bulgarian). София. p. 276.
  2. Деянов, Димитър (2005). Железопътната мрежа в България 1866-1975 (in Bulgarian). София: изд. "Булхаус" Стара Загора. p. 224. ISBN 954-9364-05-4.


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.