Station 6-1 and 17-1 (Paulsboro) were dispatched to the area of mile marker 20.8 northbound on Rt 295 for a large spill of diesel fuel after a motor vehicle accident. Engine 613 arrived to a jack knifed tractor trailer off the roadway leak a large amount of diesel fuel from a saddle tank. Operations requested a response from the county Haz-Mat team. Upon their arrival crews assisted them with mitigating the leak. The scene was eventually turned over to the NJSP and private contractors responsible for clean up.