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The maiden voyage of the new high speed service and how ironic and sad they perished in a train accident just one week before christmas. the mangled passenger cars that spilled onto the freeway have been hauled away for further examination as amtrak comes under fire for launching its new line before activating speed control technology that they say might have prevented monday's derailment. meantime a four-mile stretch of interstate 5 remains closed. moments ago state highway officials said they still need to move a lock motive out of the way and make sure the roadway is safe before they reopen...

>> jon: fox news alert now. federal investigators in the deadly amtrak wreck wanted to know whether the engineer might have been distracted by a second person in his cab as the train hit the curve as more than twice the speed limit. we have details on this from dupont, washington another concern for investigators. >> the big question is here why amtrak launched the high speed service before activating speed control technology that might have prevented a derailment like we saw here monday. this technology is known as positive train control. it is able to stop or slow down a speeding train and a...

Radialway road. this train accident technical speculation is indicating that possibly the train ran into something. and that's what caused the tumbling cars. also, there was speed involved so we have a lot of momentum involved in here which tossed the cars off the elm bankment and then most importantly this was going into historic bridge. and had very little embankment control for having the cars to tumble off. >> laura: there is the infrastructure. trump is right again. that's the case. question trump and maybe he is right again, oliver. so, oliver, you have the en embankment issue with the b...

Radialway road. this train accident technical speculation is indicating that possibly the train ran into something. and that's what caused the tumbling cars. also, there was speed involved so we have a lot of momentum involved in here which tossed the cars off the elm bankment and then most importantly this was going into historic bridge. and had very little embankment control for having the cars to tumble off. >> laura: there is the infrastructure. trump is right again. that's the case. question trump and maybe he is right again, oliver. so, oliver, you have the en embankment issue with the b...

Eight people were killed and more than 200 were seriously injured, including the engineer. now the federal government is calling for nationwide changes for passenger trains including warning signs where speed limits drop more than 20 miles per hour. if the train doesn't have automatic braking technology, requiring the crew member to stay in contact with the engineer through danger rourks high-speed areas. and if the trains do have that technology they must be checked and calibrated for speed. another key development will be installation of speed control technology throughout the busy northeast...