The right lane northbound has been blocked.
Traffic has slowed on the Kwinana Freeway this morning following a crash.
It's believed a car and motorcycle have collided.
The right lane northbound is blocked at Beeliar Drive in Success.
Incident Response Services are en route, towing and emergency services are on site.
Traffic is slow on approach.
Main Roads has advised motorists to seek an alternate route and proceed with extreme caution.
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