A woman from Joplin was killed in a two-vehicle accident along Interstate 49 Tuesday morning. The Missouri State Highway Patrol says 23-year-old Lydia Beaver was traveling on I-49, about five miles south of Joplin, when she lost control of her car and crossed the center median and hit a semi head on. She was pronounced dead at the scene. The driver of the semi has been identified as 41-year-old Leroy Lyles of Natchez, Mississippi. He suffered minor injuries.