All vehicles were westbound 94 MP171. (V1) 2013 Kenworth tractor/trailer. (V2) 1995 Kenworth tractor/trailer. (V3)2019 Freightliner tractor.trailer. (V4) 2008 Hino straight truck. (V5) 2004 Chevrolet pickup. V1 exiting to 171, jack knifed and crossed all westbound lanes. V2 in right lane swerved left to miss V1 and struck it as it was jackknifed. V3 left lane and rear ended V2 then jack knifed went into right ditch. V2 spun out into median. V4 swerved and went into median hitting V2. V5 swerves to miss V4 and hits V3 which was sticking out in the right lane.