Emergency services are at the scene of a serious crash at Wattle Flat, between Myponga and Yankalilla. on the Fleurieu Peninsula.
Police, paramedics and other emergency services responded to reports of a crash on Main South Road, Wattle Flat just before 2.30pm on Saturday 24 September.
Main South Road is closed to traffic in both directions between Forktree Road and Yankalilla and motorists are detour via Carrickalinga.
Major Crash investigators are making their way to the scene.
Anyone who witnessed the crash or has dashcam footage is asked to contact Crime Stoppers on 1800 333 000 or online at www.crimestopperssa.com.au