Storms which resulted in heavy rains and a signal failure on the rail network have led to chaos for Perth commuters this morning.
Live powerlines were brought down in Welshpool at about 5am after a taxi collided with a four-wheel drive on Leach Highway.
The northbound lanes of Leach Highway were blocked this morning as authorities worked to clear the powerlines.
In Northbridge at 7.30am, a truck hit a light pole, leaving the pole hanging precariously over traffic on Newcastle Street.
Police blocked the westbound lanes of Newcastle Street as Western Power cut the pole free.
Main Roads WA reported that the light pole had been cleared and lanes reopened just before 11am.
At 8.20am in Karnup, a Suzuki Swift blew a tyre and hit a truck, rolling several times before coming to a stop on the Kwinana Freeway median strip near Paganoni Road.
The driver of the Suzuki was able to walk away from the crash, but a passenger was taken to Rockingham Hospital for treatment.
At 8.50am a five-vehicle crash on William Street in Beckenham left one young girl with lacerations to her head.
Mr Dinnison said it appeared the five cars had rear-ended each other.
Then at 9am in Murdoch, a car crashed into a pole on Farrington Road near the Kwinana Freeway.
The pole was left lying across both lanes of Farrington Road, blocking traffic onto the freeway.
Meanwhile, trains on the Joondalup line were brought to a standstill after a lightning strike.
Lightning in Leederville caused a palm tree burst into flames just after 8am in West Leederville. Firefighters extinguished the blaze.
A Transperth spokewoman said the signal failure had been fixed but bus replacement services were helping clear a backlog of commuters between Stirling and Perth.
Mandurah Line services were also delayed.
Hundreds of passengers were stranded and trains stuck between stations had to be "radioed through" to the next station from just before 8.30am.
The fault was fixed just after 9am.
On Monday morning a signal failure caused commuter chaos on the Fremantle line. Trains between Loch Street and Fremantle were affected.
For more information, please call the Transperth InfoLine on 13 62 13 (TIS: 13 14 50).
If you are hearing or speech impaired, call via NRS 133 677 and ask for 13 62 13.