Two men charged over alleged nail gun road rage incident on M1

Two men have been charged after police allege a nail fired from a ute struck an SUV driver in the face.

The ute rolled after the vehicles collided, and a 37-year-old passenger was taken to Wollongong Hospital with a shoulder injury.

Police are appealing for witnesses.

Two men have been charged over an alleged road rage incident in which police say an SUV driver was struck in the face by a nail fired from a ute on the M1 Princes Motorway.

Emergency services were called to a two-vehicle crash near Appin Road at Maddens Plains about 7am on Thursday.

Police allege a nail gun was fired from the ute towards the SUV.

They say one nail struck the 25-year-old driver in the face and at least five others hit the vehicle.

The vehicles collided, and the ute rolled onto the median strip.

Paramedics treated the SUV driver at the scene.

They also treated a 37-year-old passenger in the ute who was taken to Wollongong Hospital with a shoulder injury.

Police arrested two other men from the ute at the scene.

Both were charged with using an offensive weapon with intent to commit an indictable offence and assault occasioning actual bodily harm in company.

A 21-year-old Chester Hill man was refused bail and is due to face court today

A 23-year-old Auburn man was granted conditional bail and is due to appear in Wollongong Local Court on December 15.

Police say inquiries are continuing.

Investigators are asking anyone with dash-cam, CCTV or mobile phone footage to come forward, particularly if it shows vehicles being driven erratically around the time of the crash.