A crash on Kwinana Freeway this morning has caused heavy traffic with motorists backed up for several kilometres.

Motorists are backed up for several kilometres after a crash on Kwinana Freeway northbound this morning.

A crash on Great Eastern Highway has been cleared but traffic remains heavy on approach.

Motorists are stuck in heavy traffic this morning after a crash on Kwinana Freeway northbound before Rowley Road.

A car rollover on Kwinana Freeway has brought traffic to a standstill this morning.

Motorists have been urged to take a detour this morning where possible after a crash on Graham Farmer Freeway eastbound.

Crashes on Mitchell Freeway and Reid Highway this morning have caused peak-hour traffic congestion.

A van driver has critical injuries after colliding with a truck in the southbound lanes of State Highway 1.

A car breakdown on Kwinana Freeway has been cleared but traffic remains backed up for several kilometres this morning.

An update on an early morning crash involving a vehicle and a pedestrian west of Bancroft. The pedestrian involved has been transported to hosptial by...