Hidden tracks of the Kiev Metro

The Kiev Metro is a relatively simple system – three independent metro lines running across the city, with passengers changing between them at one of three interchange stations. However trains do have a way of making their way between the lines, using hidden tracks that passenger services do not use.

Train arriving Khreshchatyk (Хрещатик) station on Line 1 of the Kiev Metro

Known as «Служебная соединительная ветвь» (service connecting branches) these single-track tunnels connect three Kiev Metro lines via a series of tight curves – their 150 metre radius is far shaper than the usual 300 metre minimum radius – resulting in a 40 km/h speed limit, with a recommended speed of 18 km/h.


Photo via zametkin.kiev.ua

The first connection to open was «ССВ-1» in the mid-1970s, linking Khreshchatyk (Хрещатик) station on line 1 with the under construction line 2 at Maidan Nezalezhnosti (Майдан Незалежності) station; followed by «ССВ-2» in the late-1980s, connecting the new line 3 at Klovska (Кловська) station to the rest of the network via the «ССВ-1» tunnel.


Diagram by Олег Тоцкий

Trains using the connecting tunnels include:

  • transfers to the carriage repair plant at «ТЧ-1» Darnytsia from other depots;
  • delivery of new trains to «ТЧ-2» Obolon or «ТЧ-3» Kharkivske depots;
  • transport of new rail from the welding workshop at «ТЧ-2» Obolon depot;
  • until 2007, line 3 had no depot so trains were serviced at «ТЧ-2» Obolon depot;
  • until 1988, line 2 had no depot so trains were serviced at «ТЧ-1» Darnytsia depot;

Sources

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