TVFD units were alerted to the area of 176 and 23 for an accident involving a tractor trailer. Chief 69 arrived and advised incoming units to shut down 176 southbound and also there was a fuel spill involved. Rescue 69 arrived and controlled fluids and assisted with traffic control. Utility 69-2 along with 69-30 shut down the interstate at the top of the ramp and diverted all traffic towards the Rt.10 exit. Ambulance 89 evaluated the occupants who signed off with no injuries..