The Caltrain circuit card is going to approve a multi - million - dollar projection , wind up by the closing of 2008 , that add GPS and vane - based tracking functionality for their trains . Caltrain , the SF Bay Area ’s commuter train , will then apply the “ Real Time Train Predictive Arrival GPS System ” in nine train stops , allowing users to monitor the string ’s emplacement / arrival via the site 511.org , and clip their trot down to the train consequently . [ MercuryNews ]
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