Detailed text transcripts for TV channel - FOXNEWS - 20171219:14:35:00
Zone. whether speed caused yesterday's derailment or contributed to it remains unknown. investigators say they're examining a number of possible factors. >> they will be looking at the operation, the track itself, the mechanics of the train, survival factors, human performance. looking at all of that simultaneously and trying to also get more information off the recorders. >> now the track, which had been used by freight trains for years had recently undergone a $181 million upgrade to enable high speed passenger service between seattle and portland. technology that can slow or stop a speeding...