The purchase of rail passenger rolling stock to operate the regional connection
on the line of Warsaw Commuter Rail in the Warsaw Metropolitan Area
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Change of sound signals on EN97 vehicles

From 12 July 2013 the EN97 series vehicles are being equipped with a new sound signal system to warn drivers against trains approaching a level crossing. The current two-tone signal – the first high and short and then a low signal – was replaced by one siren of low frequency and lower volume – closer to the signal emitted by the EN95 vehicle on the WCR line since 2004.

The first to be equipped with the new signals are EN97-002 and EN97-014 vehicles which were put into operation on 12 July 2013.