CHARITON, Iowa — Authorities say a road construction worker has been killed in southern Iowa.

The accident occurred Tuesday in northern Lucas County. The Iowa State Patrol says a motorist didn’t see 48-year-old Barbarella Moore, who was preparing to flag vehicles while another worker cut concrete.

Moore was pronounced dead at the scene. She lived in Waterloo.

The motorist was identified as 32-year-old Brady Rasmus, who lives in Chariton.