Three people critically injured in spate of bad crashes over four hour span

Three people have been critically injured in three separate car accidents on WA roads only four hours apart.

A 17-year-old girl was taken to Royal Perth Hospital with critical injuries after a car hit a tree on Saturday afternoon.

The accident occurred at the intersection of Thomas Road and Briggs Road in Byford about 12.55pm. Three other people were injured.

A man in his 40’s was taken to Armadale Hospital while a man and woman, both in their 30’s, were taken to Fiona Stanley Hospital.

Another crash in Jarrahdale, involving a car and motorbike, left a man in his 30’s in critical condition.

The accident occurred on the corner of Jarrahdale Road and Blue Rock Road just before 5pm.

In the third accident, a man in his 20’s suffered critical injuries in a truck rollover on Waratah Cresce