Multi-Vehicle Pileups in Oklahoma City Shut Down Interstate 40; Deadly Crash Closes I-35 The Weather Channel 2/8/2021 Ron Brackett Icy roads led to at least two multi-vehicle pileups Monday morning in Oklahoma City as roadways around the city froze over. A 15-car pileup happened at about 7:30 a.m. CST on Interstate 40 at Mustang Road, KOKH reported. A second, 25-vehicle pileup was reported about an hour later on Oklahoma City Boulevard, near I-40 and S. Agnew Avenue, KOKH said. The second pileup involved an Oklahoma Highway Patrol trooper, the station reported. A KOKH reporter for the TV station said people were being taken from the crash on stretchers. KOCO reported that five people were injured, one critically.