The McGowan Government is cracking down on drivers who think they can outsmart speed cameras with laser jammers or electronic scramblers.
Speed is a significant factor in road fatalities in Western Australia and the changes are being introduced to stop people who use the technology to drive at excessive speed.
Amendments made to the Road Traffic Code 2000 now make it an offence for any person to drive a motor vehicle fitted with any device that would disrupt the operation of a speed camera.
Anyone caught with such a device fitted to their vehicle or any physical barrier preventing detection now faces a $1,200 fine and the loss of seven demerit points, doubling to 14 demerit points on a holiday weekend.
The penalty increases to $1,500 for those driving a heavy vehicle.
The changes to the law also allows police to issue an infringement for drivers who try to avoid a speed camera by driving in a way that will affect the operation of the camera, such as tail-gating or driving off road.
The new laws come into effect on December 12, 2017.