this post was submitted on 25 Sep 2024
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On the road, 4 cars would take more space lined up one behind another.
I don't know what the law is where you live but i know what it is where i live, so excuse my weird metrics for a sec while i explain how wrong what you said is.
In order to facilitate proper reaction time for yourself as the driver, you must have about two "seconds" (as in if you stared at the road beneath the car in front of you, your car would be there in about two seconds) between your car and the one in front of you.
Meaning the faster the vehicles are, the larger the gaps, and if we're talking 4 vehicles, it's 3 gaps.
For maneuverability's sake, it's worth mentioning the "wave propagation" that happens during brake time, but I won't get into it.