My opinion is that is is difficult to correlate phone use with accidents due to other distractions or new technology. Adaptive cruise control, for example, allows people to be distracted as long as they stay in their lane and they can still play with their phone because the car now keeps them from running up on someone.A while back I looked at the NHTSA data on car accidents in the USA but before texting was particularly popular. I looked at the period from before cellphones until cellphones were ubiquitous. The way some people think about cellphone use while driving, you'd expect that the accident rate would have skyrocketed. Nope. Remained flat or dipped slightly.
Agree, and with cars with some degree of automation or alarms reduce the possibility of distracted driving accidents. This ranges from Tesla ottopilot (or whatever they call it) to adaptive cruise control, lane alerts, and "stick shakers" if the car thinks you are going to sleep. I once tried a semi-automated rental Nissan and it would use the brakes if you were too close to the car in front of you, and even apply the brakes to a full stop! I was triggered to stop/slow the car if it was too close for the speed I was approaching the vehicle at the stop light.Maybe the people prone to cell phone accidents are going to find a way to get into an accident anyway. As @EdFred indicated, distractions from passenger conversations are at least as dangerous.
Of course, wandering back and forth between mid-opposite lane to curb must be safe if there’s no accident.
The only way really to correlate phone/texting to an accident is to get the phone records from the time of the accident and I think that is rarely done.
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