A tractor trailer crash caused a fuel spill early Wednesday morning on I-78 in Summit, according to New Jersey State Police.

Troopers said the truck was traveling east when it went off the roadway and hit a parked tractor trailer.

The crash happened around 4 a.m. Crews said it took about four hours to clean up the spill.

No injuries were reported. The cause of the crash remains under investigation, police said.