Massive Crash Caught On Dash Cam - Oops I Missed My Exit

This week we came across this clip.  The dash cam footage is taken from some kind of truck, we were unable to ascertain the tonnage but it certainly is slow to stop even though the commentary with the video states that the driver was ont he breaks early. (Footage on roads in Victoria, Australia)

Use Your Mirrors - Dashcam Recording

Thank goodness that the driver of this car had a dash cam.  We hope that the driver reversing in this case admitted fault, without the guy with the dash cam having to point out that the event and "whose fault it was" was recorded.  However some unscrupulous people would try to shift the blame in this situation that could leave you at risk if you don't have a dash cam