• Boddhisatva@lemmy.world
    link
    fedilink
    English
    arrow-up
    5
    ·
    8 hours ago

    Born from that research was a widely accepted concept known as the 85% rule, which suggests a road’s posted speed should be tied to the 15th-fastest vehicle out of every 100 traveling it in free-flowing traffic, rounded to the nearest 5 mph increment.

    Yikes. If they used this in northern Illinois, the speed limit on I90 West would be 85 or 90mph.

    • Cosmonauticus@lemmy.world
      link
      fedilink
      arrow-up
      2
      ·
      8 hours ago

      Northern Midwest driving is in an entire realm of its own. I remember in Michigan i was on I94 and cop was flashing their high beams at me because I was going too slow in the left lane.

      I was going 90