Statistics to make distracted drivers more aware this month


April is now the Mathematics and Statistics Awareness Month (formerly it was just math–no stats). It also is Distracted Driving Awareness Month.

Putting these two themes together brings us to data published this month by Zendrive, a San Francisco-based startup that uses smartphone sensors to measure drivers’ behavior. They claim that 90% of collisions are due to human error, of which 1 in 4 stem from phone use while driving.

These statistics are very worrying to start off with.  But, according to this blog, it gets far worse when you drill down on Zendrive’s 3-month analysis of 3-million anonymous drivers, who made 570-million trips and covered 5.6-billion miles:

  • Drivers used their phones on 88-percent of the trips
  • They spent 3.5 minutes per hour on calls (an enormous amount of time considering that even a few seconds of distraction can create dire consequences)

About a third of US states prohibit use of hand-held phones while driving. Does this reduce distraction? The stats posted by Zendrive are not definitive.

It seems to me that that hands-free must be far safer. However, this ranking of driving distractions* (benchmarked to plain driving—rating of 1) does not provide much support for what is seemingly obvious:

  1. Listening to the radio — 1.21
  2. Listening to a book on tape — 1.75
  3. Talking on a hands-free cellphone — 2.27
  4. Talking with a passenger in the front seat — 2.33
  5. Talking on a hand-held cellphone — 2.45
  6. Interacting with a speech recognition e-mail or text system — 3.06

For all the fuss about talking on the phone, whether hands-free or not, it does not cause any more distraction than chatting with a passenger.

This list does not include texting, which Consumer Reports figures is 23 times more distracting than talking on your cell phone while driving.**

Please avoid any distractions when you drive, especially texting.

*Source: This 10/16/15 Boston Globe OpEd

**Posted here

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