The vehicle was found off the right shoulder of the eastbound side near milepost 5.0 in Greenwich Township shortly after 6:50 a.m., Trooper Charles Marchan told DailyVoice.com.
A follow-up investigation determined that the vehicle had been stolen out of Reading, PA, Marchan said.
NJSP Aviation and K9 team conducted a search of the area with negative results, authorities said.
The incident remained under investigation, and additional details were not released.
Click here to follow Daily Voice Saddle Brook-Elmwood Park and receive free news updates.