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Comment Re:Cost vs injury (Score 1) 499

Yes, it's sounds like the real problem here is that these areas of the US are suffering from a major tailgating problem above all else.

No, there's two real problems, and that's not it. Problem number one is simply too many cars on the roads. This could be alleviated by better public/mass transportation, but that's expensive. It could also be alleviated by building bigger and better roads but that's also expensive. Problem number two is that most police departments are a lot more concerned about revenue than safety.

Comment Re:Cost vs injury (Score 1) 499

Wow, what an irrelevant and aggressively incorrect post.

It's really very, very simple.

Fact 1: When the amount of traffic sufficiently exceeds what the road infrastructure is designed to handle, you're going to have slowdowns and gridlock.
Fact 2: You can, to a point, reduce or eliminate the slowdowns by having drivers pack in tighter than the letter of the law dictates.

That's really all there is to it.

Comment Re:Cost vs injury (Score 1) 499

Then you should have made your context clear in your post rather than making a blanket statement. But that aside, there's plenty of situations in big cities where it's simply not possible to maintain such a following distance that you'd be able to avoid rear-ending someone who suddenly mashed the breaks to the floor. Well, not without causing other worse traffic hazards anyway. Often, the safest course is in fact to use your best judgement and maintain a following distance that's only safe enough with typical driving behavior. With so much traffic on the road, it's simply not possible to account for everything, no matter how good a driver you are.

Comment Re:Cost vs injury (Score 1) 499

I didn't misread anything. I just demonstrated how your statement is either incomplete or false.

UK law makes it very simple - the guy behind is at fault. If you keep the advised separation (2 seconds), you will have plenty of time to safely react to even the harshest emergency brake.

In my scenario, you were behind the other car. You kept the advised separation. You did not have sufficient time to react to the harshest emergency. Thus, your statement is incorrect.

Comment Re:Cost vs injury (Score 1) 499

It's a lot easier to demonstrate than you think. Of course, if you want actual proof you'll have to go find another universe because such a thing doesn't exist in this one.

Let's say there are 10 cars per minute driving through a stretch of highway containing an on-ramp. Now let's say 10 cars are trying to merge into in from that on-ramp every minute. Not a problem. They find spaces in the traffic and merge, and the flow of traffic continues. Now let's double that, and we have 20 cars driving by per minute, and 20 merging per minute. Probably still not too bad. Double it again. And again. Before long, we've hit a point where a merging driver has no choice but to squeeze in where there's not adequate following distance. Now he has to keep speed down so he stays far enough behind the car he merged in behind, and the car he merged in front of has to immediately slow down to maintain safe following distance. But because it's a busy highway, the flow of merging traffic continues, and the only way to keep maintaining safe following distance is for cars already on the highway to keep slowing down, and keep slowing down, and keep slowing down. Now all of a sudden everyone is driving at 5mph because that's the only way to maintain a safe following distance. I could do a quick graphical simulation for you, but I really can't be arsed to spend that much time on something this obvious.

Comment Re:Cost vs injury (Score 1) 499

You're on a street with two lanes going in your direction. Traffic light ahead of you is read with cars waiting. You're slowing down as you're closing in on the stopped traffic in your lane. Suddenly a car in the other lane cuts over into your lane because the traffic in his lane is stopped farther back, and he can't see the stopped traffic in your lane. Now he has to slam on the breaks. You slam into his rear end. Obviously you are at fault, because you just rear-ended him. You should have been anticipating him to cut you off at the last second.

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