I also believe that a phone while driving is not so important? Of course, it is likely that disturbed a little, but nothing terrible happens again, driving a car and drive to the back left. No one really knows what really counts. Editors discovered how much worse the reaction of the driver on the phone, in writing or text message.
The phone slows your reaction
The idea was simple, implementation is difficult to measure the need for special equipment. They have lent him to us in the implementation Polygon Bridge Centre. How can you prove the result? It turned out that when you talk on the phone while driving, and do not care about the phone in your hand or hands-free, their reactions are much slower.
Here are the hard facts: telephone conversation with drivers a Kit ndsfree driving test at 70 km / h.And before I could stop přešlápnout gas, drove about 13 meters higher than if you bet on horse
If you hold the phone in his hand, he was even 18 meters. Is the width of several pedestrian crossings, the length of four cars and a truck.Yet begun to turn ow. This is still the fact that the driver is running slow unconscious conversations up to 20 km / h, because his reaction was even slower. Confirmed by phone while driving is extremely dangerous activity and promoted the use of hands is not very secure.
“It’s a huge difference,” said transportation expert Miroslav Cerny, who was responsible for the technical aspects of the action. has been slower and starts, not drastic, but still: it operates with the phone faster from zero to 100 km around two seconds slower.
React too late, call!
The main goal was, however, the test to measure the response time of the call, a time when gas přešlápne driver to stop. In the mind can begin to slow down, which takes time and the sum of these two numbers results in braking distance.
It depends of course speed. “It is when someone jumps out of the car and have to brake suddenly. No phone the driver to react to a sudden obstacle on average 0.5 seconds, during which time he drove at a speed of 72 km / h in nine feet. Speaking of hands-free, the reaction time is 1.1 seconds at a speed of 70 km and has led to 22 meters. With phone in hand, slowed to 1.5 seconds, while on the clock at 67 km / h, but have traveled 27.3 meters. Again, the average, the worst of the responses was about two seconds, which means that the driver drove 37.5 meters before touching the brake, “Miroslav Cerny estimates.
Enter text to create a crisis
Large fluctuations measured when writing text messages. Although the average response time was 1.7 seconds (over 27 meters), but the worst is measured was 3.2 seconds and 45 yards early in the braking horrible, the worst the second time in two seconds.
And another thing annoying: the preparation of the report of erratic driver on the road. For example, much more intrusive interfere unnecessarily tramples on the pedal and can create a crisis situation. In both cases, when the driver is focusing on writing an SMS and it was just around the corner, out of bounds, was even slower.
Instead, the pilot in a phone too much attention inhibitor lax, slow payment of such procedures. Psychologists can not focus, as drivers often ignore the signs and usually do not give right of way.
As the major benefits of hands-free?
As mentioned in the introduction, or hands-free is not a driving safety greater advantage. Manufacturers hands free to say his favorite phrase “you are safe with him, but as evidenced by the results of our tests (and traffic experts have already requested) is not true. The only difference is that you can keep both hands on the wheel, but the mental effort is the same on the phone.
“The great danger is that absolutely no one is able to focus on two things at once. And among the basic prerequisites for the safe operation of the engine is the provision of appeal, namely the ability to respond immediately to your behavior to the situation. If there is anything that adversely affects the driver can use hands-free, the results are not running, “says driving instructor insurance and responsible for most of the polygons Jiri Patera, which was tested as a consultant.
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