Which turn out to be fail 2x4's, so they break as you cross them.
but there is no onvehicletouch event, and the car is the vehicle, so it won't break even if its evented....but i have many more ways, but the most reliable is to call up the Spartans
ok heres my solution:first, pause the "simulation"second, select the fail truckthird, move over to the other side.and lastly, restart "simulation"