The problem might have something to do with tunnel vision and the readiness to get somewhere fast.
Only the other week I was using a motorway slip road, with a rather large HGV tailgating. The question that day, was do I stop, possibly slow down (in hope!) or do I push forward?.
Regarding traffic lights, it is becoming more noticeable (in my area at least), that some driver's on approaching change of light pattern, tend to perhaps ignore this event. Even some police forces are stating that cameras at traffic lights or speed cameras are no longer being loaded due to aftercare and expense.