The Augusta Highway is closed for traffic in both directions at Napperby due to a crash.
Emergency services rushed to the scene after a police car and truck collided on the Augusta Highway, Napperby just after 4pm on Wednesday 29 September.
The collision is blocking north and southbound traffic and motorists are asked to avoid the area if possible.
Fortunately, there are no reports of serious injuries.
Police thank the public who stopped at the scene to provide assistance.
Anyone who witnessed the collision but was unable to stop can provide their details via Crime Stoppers on 1800 333 000.