Posted on 05/05/2017 4:53:13 PM PDT by Tolerance Sucks Rocks
It appears that you can use a three-digit number for one highway in each state. So, in our example, we have an I-270 in Maryland, one in Ohio, one in Colorado, and one straddling Illinois and Missouri.
I believe it was originally intended to go right through Manhattan. There was an I-495 on the Jersey side that went through the Lincoln Tunnel and then ended, but it was later decommissioned and is now New Jersey 495.
I used to ride the train from Rockville to D.C. 270 will never be able to handle the car traffic unless you pave over the whole damned county.
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