NBC February 28, 2019 4:15 pm I-15 Big Rig Crash Closes Lanes, Causes Delays A semi-truck collided with at least four other cars on Interstate 15 near Carmel Mountain Road. NBC 7’s Danica McAdam has more. US & World Videos 0:28 A Vermont state trooper plunges into icy pond to rescue 8-year-old girl 2:59 Keep these travel etiquette tips in mind this holiday season 2:20 Bodies of Missing Men Found in Rubber Bins Inside Storage Unit 1:42 Hundreds of Golden Retrievers Walk a Mile for the Official Boston Marathon Dog 1:51 Typewriter Shop Owner Receives Gift From Tom Hanks