DEPTFORD — Two people were killed in a crash involving a dump truck and an SUV on the 42 Freeway early Saturday morning.

A dump truck traveling north overturned after it was struck by a Nissan Sentra merging onto northbound Route 42 from Route 55 around 3:20 a.m,  according to Sgt. Lawrence Peele, a spokesman for the State Police.

As the dump truck laid in the left lane it was hit by a Chevrolet Suburban, according to Peele, killing two of the SUV's four occupants.

Driver Tom Martinez-Cruz, 27,and Reina Ortiz-Rodriguez, 21, both of Philadelphia were pronounced dead at the scene, according to Peele.  The two other passengers were taken to Cooper University Hospital for treatment of serious injuries. The driver of truck was also hospitalized for moderate injuries while the Nissan driver was not hurt.

The cause of the crash remained under investigation and no charges have been filed.

All northbound lanes were closed  for clean up and investigation for over four hours before reopening around 9:15 a.m. The dump truck's load of asphalt also had to be removed from the roadway.

Early morning northbound traffic was being diverted at Route 41. Police also closed Route 55 northbound approaching Route 42.

Contact reporter Dan Alexander at Dan.Alexander@townsquaremedia.com or via Twitter @DanAlexanderNJ