I responded as relief three hours into it so I really couldn't tell you what initially hindered the extrication. The Pt had rolled a triple axil dump truck onto some guard rail and had gotten entangled in both the mangled guard rail and the dashboard of the cab so they were not able to lift the truck with airbags to free the driver. It finally took a USAR team out of Newark, NJ to free the driver of the truck. As far as EMS resources on scene:
2 BLS units ( 1 for transport, 1 for FF rehab)
1 ALS unit
2 ALS supervisors
1 Physician response unit (1 EM MD from the trauma center)
1 Medevac standing by at an off site location
Refer to the link for more info:
http://www.nj.com/starledger/stories/index.ssf?/base/news-7/1186115622216960.xml&coll=1