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Old 12-19-2013, 04:38 PM
 
Location: NH
818 posts, read 1,017,266 times
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Does anybody still use the two second following distance rule anymore? Is this really enough space to avoid a high speed collision?
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Old 12-19-2013, 04:41 PM
 
Location: Durham, NC
3,576 posts, read 10,656,730 times
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Yes, to at least gauge the absolute minimum distance.
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Old 12-19-2013, 04:48 PM
 
Location: We_tside PNW (Columbia Gorge) / CO / SA TX / Thailand
34,712 posts, read 58,042,598 times
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I use (and teach) 4 seconds.

But I have 105,000# following me, so... I use MORE following distance in traffic / downhill.

I will again drill my adult kids on this BEFORE they get to eat Christmas dinner...

5 smith rules of driving
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Old 12-19-2013, 04:59 PM
 
19,126 posts, read 25,327,931 times
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Defensive Driving Courses nowadays stress the importance of the Three Second Rule, but they also counsel that this is appropriate only on dry roads.
Once you are driving on a wet or wintery road surface, it is important to increase your following distance to at least Five Seconds.

That being said, there are an incredible number of...anal sphincters... driving nowadays who are apparently ignorant of all of this information.

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Old 12-19-2013, 05:11 PM
 
Location: Victoria TX
42,554 posts, read 86,968,624 times
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It would be even more applicable now, because braking systems and tires are better than they were when the 2-second rule was formulated. A car at highway speed, even 75, can be brought to a stop in a shorter time lapse and space than in the 1950s at 65 mph, which was the speed limit then in quite a few states. There were no disc brakes then, no ABS, and bias-ply tires.
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Old 12-19-2013, 05:11 PM
 
Location: Louisville KY
4,856 posts, read 5,822,087 times
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I say at the least you should be back far enough to see the ground under the car in front. I hate tailgaters the most. One guy I knew drove a jeep xj with a broken rear sprayer, if you were too close, youd get wiper fluid on your windshield until you backed off.
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Old 12-19-2013, 05:11 PM
 
3,105 posts, read 3,833,781 times
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Yes, but I live the country. Down on the busy highways, if you leave a gap big enough for a car, a car WILL change lanes to occupy that space. Then you have to slow down to regain your 2 sec gap. When you slow down the driver behind you will get annoyed and pull out to pass you and then pull right back in front of you (right into the 2 sec gap). So then you have to slow down again... well you can tell where this is going.
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Old 12-19-2013, 05:24 PM
 
Location: Cole neighborhood, Denver, CO
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I've always understood it as FOUR seconds.
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Old 12-19-2013, 05:32 PM
 
8,402 posts, read 24,227,219 times
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Quote:
Originally Posted by Colorado^ View Post
Yes, but I live the country. Down on the busy highways, if you leave a gap big enough for a car, a car WILL change lanes to occupy that space. Then you have to slow down to regain your 2 sec gap. When you slow down the driver behind you will get annoyed and pull out to pass you and then pull right back in front of you (right into the 2 sec gap). So then you have to slow down again... well you can tell where this is going.
This^^^. You beat me to it.
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Old 12-19-2013, 05:33 PM
 
Location: Central Jersey - Florida
3,377 posts, read 14,627,647 times
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Quote:
Originally Posted by dude_reino View Post
I've always understood it as FOUR seconds.
Agreed, I try to use 4 seconds. My father always said when teaching us to drive. Make believe your driving the car two cars ahead of you. He drove a tractor trailer for almost 25 years and never had a chargeable accident.
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