A crash has closed two lanes southbound just before Gibbs Road.
The left lane and right emergency lane on the Kwinana Freeway are blocked prior to Gibbs Road in Atwell.
Emergency services are on site/
Traffic is slow on approach, backed up to Armadale Road.
Mainroads said drivers need to use extra caution.
Mandurah teacher who raped student to remain on bail
Man charged after allegedly exposing himself to girl on Transperth bus in Lakelands
Fire rips through Golden Bay home
Firefighters battle bushfire near Nambeelup
Alcoa Children's Festival cancelled due to severe weather
Man charged over crime rampage from Furnissdale to Kwinana
Damaging winds forecast for Harvey, Dwellingup, Pinjarra
Southern suburbs man claims $15 million Lotto win after eventually answering life-changing call from Lotterywest
Two women taken to hospital after Kwinana Freeway crash