MAJOR repair works are underway following a truck rollover in Neerabup yesterday afternoon.
The truck lost control on Wanneroo Road, flipping over and spilling large limestone boulders onto the road.
The repair works have closed the left turning lane on Wanneroo Road at Hester Avenue this morning.
Drivers are urged to plan ahead to avoid delays.
The driver of the truck, a man in his 40s, was taken to hospital after the incident with minor injuries.