ANDREWS – Investigators are still attempting to determine why the driver of a Ford F-350 pickup was traveling the wrong way on Interstate 20 near Big Spring the afternoon of Nov. 19, according to the Texas Department of Public Safety (DPS) troopers.The pickup eventually crashed head-on with an Andrews Independent School District (AISD) activities bus that was transporting band students to an area-round football playoff game at Sweetwater.The 4:02 p.m. crash two miles east of Bring Spring killed three adults, including the Ford F-350’s driver and two adults aboard the AISD bus.DPS personnel continues to investigate why 59-year-old Nathan Paul ...