Drivers face delays across several major Perth roads this morning due to multiple breakdowns and crashes.

A truck has broken down on Mitchell Freeway southbound before Shenton Avenue in Joondalup, with the vehicle reported in the left emergency lane at 7.10am.

Main Roads WA has since cleared the scene but advises traffic remains slow on approach. Loading Tweet

A truck breakdown has also affected motorists travelling northbound on Roe Highway, with the vehicle partially blocking the left lane just before Clayton Street.

Traffic remains heavy in the area. Loading Tweet

The right lane of Tonkin Highway southbound was closed earlier on Thursday following a crash after Morley Drive in Embleton.

Vision from the scene showed a black vehicle obstructing the lane, with DFES crews dispatched

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