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Wanna know the status of a particular train?  Ask Julie!  Give the computer, which is masquerading as Julie, the train number, station, and date, and she (it) will tell you a train's status, i.e. the time of scheduled arrival or departure for the station, whether the train is on-time, or if it is not the expected arrival time. In a worse case scenario, as happened to the Texas Eagle this week, the caller is switched to a customer representative for a status report.  In the case of the Eagle, it had been suspended south of Fort Worth due to an accident.  As far as I can determine, it was a hoist railroad accident that did not involve the Eagle. How does the computer know where the train is in relation to the next station and whether it is running on time. I can think of two ways.  The locomotive is equipped with GPS capability and reports periodically its location, including the train number, to the operations center computer, which also hoists Julie, that reports the status of the train to the caller. Or one of the crew members uses a cell phone to report the departure from a station, and the information is fed into the computer, which adjusts the arrival and departure times up or down the line. Any information or thoughts on how Julie works?
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