Re: Interstate 99



On Oct 28, 5:38 am, "tomba...@xxxxxxxxxxxx" <tomba...@xxxxxxxxxxxx>
wrote:
I was in Altoona PA recently, and there is an interstate 99. That
number appears to be out of sequence. It should be something in the
80s or at least the low 90s. Was it a political thing? Did the locals
have enought political power to get such a number? I guess it catches
everyone's attention. Also it appears the interstate only exists in
one state, so how can it be an interstate. The only other one I can
think of that is an "intrastate" interstate is 17 in Arizona or maybe
also 19.

Tom

Political number. First ever for the Interstate System.

Also, there are several other "intrastate" interstates.
I-4 FL
I-12 LA
I-16 GA
I-17 AZ (they should connect it with I-19 via I-10 somehow and
renumber I-19 as I-17)
I-19 AZ
I-27 TX
I-37 TX
I-43 WI
I-45 TX
I-49 LA (but there are plans to extend this route out of state)
I-73 NC (but there are plans to extend this route out of state into SC
and VA)
I-86 ID (the completely separate Western segment from the Eastern
segment & should really be a 3di of I-84 or I-15)
I-87 NY
I-88 IN NY (two separate interstates in each state and they both don't
leave either state)
I-96 MI
I-97 MD
I-99 PA (but plans are for in the future to extend into MD and NY)

Honorable mentions go to the following:
I-57 MO & IL
I-72 IL & MO (barely gets into MO, but there are plans to extend
farther)
I-76 CO & NE (Western segment; barely leaves CO)
I-82 OR & WA (should be a odd 2di or a 3di of I-84 or I-90)
I-86 PA & NY (Eastern segment; has only 5 miles in PA plus one future
mile in the future when I-86's extended)

.



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