this post was submitted on 07 Oct 2023
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With 180-200km/h delta you couldn't possibly judge the traffic situation, let alone react in time. I think you meant 100km/h difference, right?
But even with a delta of "only" 100km/h the distance between cars shrinks by about 30m per seconds. Even with optimal visibility and full attention on the road this gives you a couple seconds at best to correctly assess the situation. Then you can only punch the brakes and hope you remain in controll over your vehicle.
Imho there is no justification to allow PKW move that fast. At those speeds you not only your life but that of others as well.
And i haven't even touched on the environmental impact and fuel efficiency of high speeds.
I've learned that with a distance of 2 seconds you have always the right distance to the other car, independent with which speed. That is easier as to calculate the meters, enogh to look when the car in front passes some mark (post, tree, some sign...), count 21 ..22. When you then pass this mark, you have a distance that allows you to stop safely.