The driver was slowing all the way down to merge into one other lane as a result of roadworks on the Hume Highway close to O’Herns Road in Epping when it moved in entrance of a truck about 9.30pm.
The truck driver didn’t cease and drove away from the scene.
The lady driving the automotive was assisted by roadworkers and was not injured.
Police are calling for witnesses or anybody with dashcam footage to return ahead.