UPDATE: The crash was cleared after 7.50am.
Kwinana Freeway was experiencing delays northbound after a crash this morning.
Traffic was banked up from Mortimer Road to Mundijong Road and both emergency lanes were closed.
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READ NOWDrivers were asked to exercise “extreme caution”.
The full extent of lane closures was unknown, but Main Roads said there was heavy congestion in the area.
The accident occurred after 6.30am.
This comes after trains experienced delays on four Perth lines this morning.