Correct me if I am wrong, but the state trooper driving the SUV alleges he drove into the guardrail because he tried (and apparently failed) to avoid a white truck that changed lanes “unexpectedly” to avoid the red truck. The red truck was not involved in the accident. Yes, I know, the driver of the red truck may have been the proximate cause of the accident, but under New Jersey law, I believe the trooper would have to be charged with reckless driving because he did not have his vehicle under control before he whacked the white truck in the hind quarters and then smashed into the guard rail at high speed.
As I understand it, this is not a case of "assured clear distance," it's a case of someone swerving in front of Corzine's SUV. The trooper won't be charged because in this circumstance it is virtually impossible to avoid a collision. If the red pickup driver started the chain of events, he should be charged with causing the accident. He would be in my state.