The main cause of every single accident which can be just tripping on your shoe lace.
Or doing millions of dollars of damage with any motor vehicle.
Here you go:(FOCUS)whoever started the accident,was the one who was at fault wasn't totally focused on what they were doing.
Just the very smallest or what most would cal a split second,at any speed can be a life ending mistake,when you take your focus off of what you are doing.
So there you go,this advice is being posted to you by an old city driver going into my 45th year in a couple of months.
Stay focused,be safe,there are people depending on you to come home every night,or day what ever the case may be.
Your welcome,Apostolic