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>> “Engineering standards take into consideration the condition of the road” <<
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No!
Engineering standards dictate the condition of the road.
All highways are built for a minimum of 85 MPH.
We could easily drive at 100 MPH if incompetent people were not given licenses, and if drug and alcohol diminished drivers were not present.
The main issue is that all drivers drive at their safe speed, but that speed is not universal. Drugs, booze, bad eyesight, slow reaction times, and improperly maintained vehicles alter it.
On and off ramps are rarely much of an issue to a competent driver. Blow-outs at 75 were common in the days of Firestone 500 tires, but rarely did they cause more than inconvenience. Modern wheels have lock beads that hold deflated tires in place long enough to exit the driving surface.
It sounds as though you might be a person with diminished physical abilities, judging by your comments??
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Yes, but incompetent people, drugs and alcohol are present. Until it's a perfect world, adjustments will have to be made.
The main issue is that all drivers drive at their safe speed, but that speed is not universal. Drugs, booze, bad eyesight, slow reaction times, and improperly maintained vehicles alter it.
Until it's a perfect world ...
It sounds as though you might be a person with diminished physical abilities, judging by your comments??
My comments are based on my experience. I have driven over 2 million+ miles professionally, plus whatever I have driven in my private vehicles the last 40 or so years. I have witnessed some of the worst driving imaginable during that time. Unfortunately, common sense and competence will not always prevail, so some things such as speed limits must be legislated to help in some way to prevent some of the carnage.
No, I am not a person with diminished physical abilities. It sounds as though you might be a person with diminished mental abilities, judging by your comments??