GOLDEN, Colo. – Eastbound lanes on Interstate 70 reopened after a crash closed them early Sunday morning involving two semi-trucks and two other vehilces. Jefferson County Sheriff’s Office said at 5:18 a.m. that authorities were on scene at the Lookout Mountain exit (mile marker 256) near Genesee. By 9 a.m., COtrip.org showed lanes were back open.