UPDATE, 8.20am: the truck breakdown in Armadale has cleared.
UPDATE, 7.30am: the fog on the freeway has cleared.
Earlier: MAIN Roads have advised drivers to take “extreme caution” on the Kwinana Freeway this morning with fog causing low visibility.
It is at its worst for motorists travelling past Mortimer Road and Anketell Road between Casuarina and Anketell.
6.30am: In Balga, a damaged water main is causing traffic issues on Wanneroo Road southbound prior to Camberwell Road.
It will affect drivers heading into the city from anywhere north of Hamersley.
And in Armadale, a truck breakdown has blocked the centre lane eastbound on Albany Highway.