Notes from the Newsroom
John I. Carney

Interstate numbers

Posted Monday, August 15, 2016, at 3:41 PM
View 4 comments
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  • Huh,I wondered about the plain 840. Now when I see others I'll know what is up.

    Zip codes run from east to West, wonder why Interstates went opposite.

    -- Posted by stevemills on Mon, Aug 15, 2016, at 4:54 PM
  • Well, they could have applied for federal interstate funds to build it in the first place (in which case it would have been I-840 all along) rather than building it and then having it classified as an Interstate after the fact.

    My recollection is that they didn't do it that way because the environmental review process for building an Interstate is normally a lot longer and more stringent than for building a state highway. They may not have said so publicly; I may be remembering comments to that effect from some third party. So the state went ahead and built the highway itself, with the plan of later getting it accepted as an Interstate.

    However, I don't think it actually saved them any time, because the public objections in Williamson County ended up being a lot more vocal than the state anticipated, and it took years for them to build that western half of the route.

    -- Posted by jcarney on Tue, Aug 16, 2016, at 7:27 AM
  • I can understand the concerns if i lived there. However, it sure does make it nicer heading West.

    -- Posted by stevemills on Tue, Aug 16, 2016, at 10:20 AM
  • Steve, they went opposite on the Interstates so they would not be confused with the original US highway numbering system.

    -- Posted by Tyger on Wed, Aug 17, 2016, at 2:20 PM
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