A man was killed and a woman was hospitalized in a head on collision on Empire Grade Road. The accident happened about 2 p.m. Saturday when a 44 year old Aptos man in a pick up crossed the double yellow lines and struck a van driven by a 20 year old woman. The woman was air lifted to a trauma center with severe leg injuries. The man was pronounced at the scene, the cause of the accident remains under investigation pending the results of a toxicology report.