Police understand the incidents took place around 10.30am and involved a 19-year-old man.

Drivers of a Mitsubishi Triton, a Holden Jackaroo and a van, all of whom left the area before police arrived, are particularly encouraged to make contact with police.

A 19-year-old Bishops Bridge man is currently assisting police with inquiries into the incidents.

Anyone with any information is urged to call Maitland Police on 49340200 or Crime Stoppers on 1800 333 000.