New Jersey State police are searching for a man wanted in a road rage incident in South Jersey.

Police say the suspect had an altercation with a United States postal worker along State Highway 50 in Upper Township, Cape May County. They say the incident happened on Feb. 6 around 12:30 p.m.

Police say that the suspect brandished a gun during the altercation and then drove away in his black Cadillac SUV. The postal worker was not injured.

The suspect is described as a white man, approximately 6 feet tall and between 40 and 50 years old. He has dirty blonde hair and a scruffy beard and was last seen wearing a dark-colored T-shirt.

Assaulting a postal worker is a felony which carries severe fines and prison time.

State police are asking anyone who may have information about this case to call Troop 'A' Woodbine Station – Criminal Investigation Office at 609-861-5698.