Comment by ikr678
2 days ago
The reason we have speed limits isnt due to vehciles being unable to 'handle' certain speeds though, it's to minimise the damage of an incident at that speed, which is entirely a matter of physics.
2 days ago
The reason we have speed limits isnt due to vehciles being unable to 'handle' certain speeds though, it's to minimise the damage of an incident at that speed, which is entirely a matter of physics.
No, that is not true. I used to work on road signage systems, where we would use test vehicles, sensors, and math to figure out what the correct signage should be for various sections of road. The standards are primarily concerned with maintain a margin of error for the "worst" cars on the road, i.e. the ones that meet only the minimum inspection requirements. What happens once that margin of error is exceeded was anyone's guess, but practically could be wildly different for specific scenarios that had more to do with the off-road environment than the exact parameters of the road. Two roads with identical bends would receive the same signage regardless of whether under steering through the curve would land you on a sidewalk or in a field or over a cliff.
AFAICT at least 2 people in this thread don't seem to think that visibility -- a function of, among other things, weather and time of day -- influences driving safety. I find this amazing.
The point of terryf's example was to point out that for practical reasons, existing laws don't capture every relevant variable. I (but not everyone, it seems) think that visibility obviously influences safety. The point I want to make is that in practice the "precision gap" can't be perfectly rectified by making legality a function of more factors than just speed. There will always be some additional factor that influences the probability of a crash by some small amount -- and some of the largest factors, like individual driving ability, would be objected to on other grounds.