Authorities in the US state of Utah are investigating why railroad crossing arms weren't down and lights and bells were off when a double-decker passenger train violently smashed into the back of a semi-trailer.<br />The two people in the cab of the trailer and the 82 passengers aboard the train weren't seriously injured.<br /><br />COURTESY "NORTH SALT LAKE POLICE DEPARTMENT"<br /><br />RT LIVE http://rt.com/on-air<br /><br />Subscribe to RT! http://www.youtube.com/subscription_center?add_user=RussiaToday<br /><br />Like us on Facebook http://www.facebook.com/RTnews<br />Follow us on Twitter http://twitter.com/RT_com<br />Follow us on Instagram http://instagram.com/rt<br />Follow us on Google+ http://plus.google.com/+RT<br />Listen to us on Soundcloud: https://soundcloud.com/rttv<br /><br />RT (Russia Today) is a global news network broadcasting from Moscow and Washington studios. RT is the first news channel to break the 1 billion YouTube views benchmark.
