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explosion (collision (multitasking due to hot wheel (attention narrowing…
explosion
collision
multitasking due to hot wheel
different response from the detector
communication
attention narrowing (or tunneling)
386 response to signal but no reaction
370 no response to signal
cellphone use
human error
(didn't have line-up)
alcohol and drug control
no regular test
last test after collision
uninstalled equipment
no cab-signalling systems in use
no PDD(proximity detection device)
flammable
propane from tank
potash from Train 671
place
propane tank nearby track
late arrival
far from city