• percent
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    3 days ago

    Ah, interesting. The number of digits means something too. 3-digit numbers are… Some other kind of routes. I’m too tired to remember exactly 🤦🏻‍♂️

    Edit: auxiliary routes

    • grue@lemmy.world
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      3 days ago

      Basically, routes meant to serve a metro area/region instead of being actually cross-country – “Interstates” that don’t actually go inter-state. Think ring roads around cities and whatnot.