Emergency services are at a crash on Tamatea Arikinui Dr between Bethlehem and the Waihi Rd off ramp southbound.
A Tauranga City Council spokesman said delays were expected between Bethlehem township and Cambridge Rd on ramp.
Motorists should exercise caution passing the scene, he said.
A police spokeswoman said a vehicle had crashed into the barrier and there were no reports of injuries.
