Three cars have collided with a truck, causing delays for motorists heading to the airport from Manukau.
Emergency services were called to the collision, on the corner of Puhinui and Campana Rds at 4.06pm.
A fire communications spokesman said all emergency services were in attendance but no one was trapped in any of the vehicles.
A St John ambulance service spokeswoman said four people with minor injuries were being treated at the scene.
