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A comment on Tesla footage of braking before crash ahead [video]. Parent comment

Re:Tesla footage of braking before crash ahead [video] by seletz on Wednesday December 28, 2016 @01:10PM (#13272334)
Well no -- that wasn't bad luck at all. He simply was way too close for the speed.

Back in the day when I got my driver's license we were told to have 3 seconds of distance. One second to react one second to brake and one second for safety, if I remember correctly.

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Re:Tesla footage of braking before crash ahead [video] by slavik81 on Wednesday December 28, 2016 @01:30PM (#13272479)
Around here they recommend 2s. As part of a science fair project, I measured the following distance of cars on a nearby highway. It's been about 15 years but IIRC, the mode was ~0.5s.
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