DENVER Drivers in south-central Colorado heading for Thanksgiving with family had to find other ways to get to their destination if traveling near Howard.Thats because a rockslide west of Howard closed US 50 at milepost 231 for an extended amount of time, according to the Colorado State Patrol. Drivers were asked to check CoTrip for up-to-date information.The highway reopened by 9:35 p.m. after crews cleared the road of debris.