A 41-year-old Meadow Springs man was allegedly clocked driving 150kmh in a 90kmh zone in Lakelands this morning.
Police will also allege he returned a blood alcohol content reading of more than 0.08.
Just after 4am, officers were checking speeds eastbound on Mandjoogoordap Drive and Stock Road, when they allegedly detected a Mitsubishi Lancer travelling 60kmh over the limit.
The 41-year-old was pulled over and his vehicle was impounded for 28 days.
He will be summonsed to appear in the Mandurah Magistrates Court for reckless driving and excess 0.08.