Police and ambulance services were summoned to the scene.
The flow of traffic has been severely impeded, with many trying to get to Sea Cows Bay for the horse races at Ellis Thomas Downs.
It is unclear if there are any injuries.
Our news centre will bring more details as they come in.
One of the vehicles involved in the accident at Slaney, today, August 2, 2022.
Police and ambulance services were summoned to the scene following the collision.