How U.S. Interstate Numbers Work
cgp grey | learning | roads | united states | February 13, 2022
When the U.S. started creating highways connecting the nation, interstates were identified with a logical numbering scheme. CGP Grey looks back at the rationale behind the numbers which have since become cluttered with intrastate interstates, bypasses, beltways, spurs, and exception cases to confuse matters.
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