Why the Eastbound Train Meet the Westbound Train?

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German Train Crash Investigation Focus ‘On Signalling Error’

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Investigations are looking at signal controller for clues on the Bavarian train disaster that killed 10 people.  The trains crashed head-on while both were travelling at about 100km/h (62mph) east of Bad Aibling, a spa town about 60km south-east of Munich.

Question that needs answer:

Investigators will have to find out why a train that left Holzkirchen travelling east to Rosenheim was on the single track at 06:48, four minutes after it was due to reach its next stop at Kolbermoor, where it would have met the westbound train on a double track.

The westbound train from Rosenheim to Holzkirchen would have left Kolbermoor at 06:45 and would have been expected to be on the single track at the time of the accident.

Signal controller’s role:

  • Safety system had been switched off to allow the eastbound train through on the single track line because it was several minutes late
  • PZB braking system is supposed to kick in when a train runs through a red light, provided the safety system is switched on

A police spokesman rejected the theory as “pure speculation”.

BBC Credit Link

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