Mortlake Constable Rachel Wass was operating a radar on the east side of Mortlake between the township and Darlington when she recorded the excessive reading at 5.10pm.

Constable Wass reported the dark-coloured four-wheel-drive continued speeding towards Mortlake, she tried to take up a position to follow, but the pursuit was called off a by a controlling officer before it even started due to the excessive speed and because the vehicle was heading towards a populated area.

Witnesses reported that the vehicle still being driven dangerously when they saw it heading south on the Hopkins Highway towards Warrnambool.

The vehicle has been described by a number of witnesses as a dark green or black four-wheel-drive, similar to Landrover Defender which had a distinctive yellow Warrnambool sticker.

Anyone with information about the vehicle is requested to contact Constable Wass Mortlake at the Mortlake police station or Crime Stoppers on 1800 333 000.