At 8:02pm RVFD was alerted for an engine to assist at an MVC with entrapment near the intersection of Central Avenue and Tribbett Circle.  Chief-4 (Jarboe) and Eng.405 (8 w/Chief Utz) went enroute with command advising to set up a landing site for MSP Trooper-6.  Chief-4 arrived and began to set up the landing site just prior to the accident scene.  Eng.405 arrived with the crew assisting with landing site operations.  Command then requested one additional BLS unit to the scene for a second patient with minor injuries.  Amb.492 went enroute and handled one BLS patient to EMH.  Trooper-6 arrived and transported one patient to PRMC.