Perth traffic: Monday morning madness as crashes, bushfires cause road closures and delays

Monday morning commuters are in for a rough start to the week, with a cluster of crashes and emergencies on major Perth roads causing heavy delays.

A bushfire in Mundijong has resulted in both directions of South Western Highway being closed between Norman Road and Jarrahdale Road.

A Watch and Act warning has been issued for those in the area due to the smoke and flames.

Emergency services continue to battle the blaze as congestion remains heavy.

Motorists are urged to turn headlights on and drive slowly.

If motorists are unable to see clearly, they are advised to pull over and wait for the smoke to clear.

A crash on Kwinana Freeway southbound before Thomas Road has resulted in traffic being reduced to a single lane.

Motorists are outside of their vehicles.

Traffic remains heavy on approach, with drivers urged to remain vigilant and allow for a safe merge.

The left lanes of Tonkin Highway northbound near Rowley Road have been closed following a crash in Oakford.

Emergency and towing services remain on site, with traffic heavy in the area.

At 5am on Monday, a tree across the road in Serpentine had impacted southbound lanes of traffic on South Western Highway.

Authorities confirmed the tree had been moved from the road about 7.50am and traffic had recommenced flowing.

Motorists are still advised to remain vigilant.

Traffic updates can be found here.