Both emergency lanes have been blocked.
A crash has blocked the right and left emergency lanes northbound just before Beeliar Drive at Success.
Towing service are on site with Incident Response Service en route /
Main Roads said traffic is slow on approach in conjunction with morning peak and for motorists to drive with caution.
Mandurah Crab Fest boasts huge range of free, family friendly entertainment
Fuel prices surge in Perth, Mandurah
Teen boys charged over Mandurah burglaries
Tragic update in search for missing man Robert Snyder
Premier Roger Cook to leave Kwinana electorate, move to Perth
Mandurah Marine Rescue's new vessel named in memory of nun who survived 1959 boating accident
Teen dies in motorbike crash at Waroona Dam
Shark alert issued after whale carcass reported at Preston Beach
Kwinana businesses to refuse serving students during school hours