A California man was killed after a single-vehicle accident Tuesday night in Flagstaff. Police say Roger Somes was heading westbound on University Heights Drive North from Lake Mary Road at a high rate of speed at around 11 p.m. Witnesses say Somes left the road and hit a tree in the median at around the 600 block of West University Heights Drive North. Somes was pronounced dead at the scene. The accident is under investigation.