What’s a little extra 5 or 10 mph on the clock?

  • BlackVenom@lemmy.world
    link
    fedilink
    English
    arrow-up
    9
    ·
    2 days ago

    They basically do just that. If you ever see a pair of tubes across the roadway, they’re measuring speeds. They set the speed limit at a percentile. Plus or minus and politics dependent…

      • Warl0k3@lemmy.world
        link
        fedilink
        English
        arrow-up
        1
        ·
        1 day ago

        The models used actually take speed reductions due to things like unseen conditions, uncertainty about driving over mystery hoses and excessive speed in an attempt to manipulate the data to get a higher speed limit into account.

          • Warl0k3@lemmy.world
            link
            fedilink
            English
            arrow-up
            1
            arrow-down
            1
            ·
            1 day ago

            What a weird thing to say.

            Beyond that doing one does not in any way prevent the other from also being worked on at the same time, this is how roads are made better. After trivial assumptions like site/soil surveys, traffic studies are the most influential aspect transport engineers consider when working on a project.