On Tuesday, a 17-year-old male P-licence driver was assaulted by a female motorist in Castle Hill.
The Baulkham Hills youth told police he was driving a grey Honda sedan south in Windsor Road about 2pm.
He said the woman’s car entered his lane directly in front of his vehicle, causing him to brake twice.
He then said the other car suddenly stopped and his car collided with it.
The woman left her vehicle and allegedly punched the young driver several times while swearing, causing minor injuries.
She then drove away.
The woman was described as Caucasian in appearance, 170cm tall and with blonde hair.
Her car was described as a black Toyota RAV.
Anyone with any information about the incident is urged to contact The Hills police on 9680 5399 or Crime Stoppers on 1800 333 000.