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At a length of 1,908 miles, what is the longest north-south interstate highway in the US? The highway was not fully completed until 2018 when a gap in New Jersey was filled and it now fully connects Florida to Maine while serving all major cities from Jacksonville to Washington to New York to Boston to Portland.

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Fact: Two American Presidents kept alligators at the White House. 


1. At a length of 1,908 miles, what is the longest north-south interstate highway in the US? The highway was not fully completed until 2018 when a gap in New Jersey was filled and it now fully connects Florida to Maine while serving all major cities from Jacksonville to Washington to New York to Boston to Portland.





 
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