A large truck broken down on State Highway 1 in Wellsford is blocking traffic heading north.
The northbound lanes on SH1 just north of School Rd in Wellsford were completely blocked by the truck, which was having mechanical issues, police said this afternoon.
Traffic is being diverted onto School Rd, turning onto Valley Road, Whakapirau Rd and onto the SH1 continuing north.
Southbound traffic hasn't been interrupted, but motorists should expect delays.
Police are on the scene.
