All lanes were closed near Exit 34 - NJ 15 as of 10:30 a.m., according to 511nj.org. The incident occurred around 4:45 a.m.
Photos show the trailer hanging off the guardrail.
Delays of 90 minutes were reported.
Motorists urged to plan alternate routes during rush hours.
Click here to follow Daily Voice Paterson and receive free news updates.