HOLT COUNTY —A Kansas City teenager was killed during the early morning hours Wednesday when she walked from the median of Interstate 29 in Holt County and in front of a semi tractor-trailer.The Missouri State Highway Patrol reports 17-year-old Autumn Buckmaster
died at the scene, about five miles south of Oregon.The patrol says Buckmaster
was standing in the median and walked in the path of the southbound semi.Buckmaster was pronounced dead at the scene and transported to Forensic Medical.&nbsp;

17-year-old dies after she walks in front of semi on I-29