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<P>Way back in the days of Pacific Rail News (anybody remember them?), one of the RR editorial writers was predicting that the day of the "conductorless" freight train was not too far into the future.  I believe, but am not sure, that it is already possible to run a driverless light-rail train controlled by electricity.  With all of the new innovations in technology, how far away are we from a "crewless" train?  What stumbling blocks, if any, remain for such a train?  What would be the good points and bad points? (and on a side note, have any readers out there seen Ed Ripley's by-line on anything train-related? He would write for PRN regularly, but after their demise I haven't seen anything by him (I've tried to Google his name))</P> <P>Riprap</P>
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