Police continue to hunt a man who reached speeds in excess of 160km/h on the Western Freeway.
Police say they attempted to intercept a vehicle on Jonathon Drive in Bacchus Marsh just before 2pm on Thursday.
The driver of the dark blue Commodore sedan took off and a pursuit was initiated, heading north on Grey Street, to Bacchus Marsh Road and onto the Western Freeway.
The vehicle travelled west along the freeway, reaching speeds of 160km/ph.
The pursuit was terminated by police due to speed when the driver reached the Ballan township.
The pursuit is believed to have lasted less than 10 minutes.
The driver is believed to be a male aged in his 20s (sole occupant) and police are appealing for witnesses.
Anyone with information is urged to contact Crimestoppers on 1800 333 000 or Bacchus Marsh Police Station on 5366 4500.