1. obxangie
    June 24, 2018 @ 3:14 pm

    I was just having this discussion with my husband and interestingly enough, I used the interstate/intrastate highways as an example. Intracoastal is correctly named because it pertains to a waterway within the same coast. Just like intrastate means within a state. If the waterway went coast to coast, it would be the intercoastal waterway…..just like when a highway goes state to state, it is an interstate.

  2. riverdragon
    March 5, 2018 @ 11:13 am

    Interesting theory, but in this case, the prefix intra is modifying coastal, meaning it is within the coast. They could call it the interstate waterway and that would be correct also, but since it is Intracoastal then the official name is best. Maybe even intercoast would be okay, but since it is coastal I don’t see how inter would work as the prefix.

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