CNN CNN Newsroom December 7, 2013 21:29:00
Academy and talked to instructor david wrangle. >> today the passenger locomotive engineer is being asked to do so much more than ever before, he's being asked to do the job of two or three people. this is the canal of the locomotiv locomotive. >> reporter: okay. but there's no amount of training that can prepare the engineer for fatigue. >> we are dealing with humans in the cab of locomotives and we have frailties. >> reporter: on the return trip to chicago klein said he has too much to worry about to be distracted. >> again, there's always something going on, the alerters going off, everythi...