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You seem more knowledgeable than I am on this. In the Pittsburgh metro area, there are two 3-digit interstates that I think are numbered backwards according to these rules. I-376 has one terminal end at I-76 in Monroeville, PA, an eastern suburb of PA. It interchanges again with I-76 in Beaver County to the northwest of Pittsburgh, but continues past this to a terminus at I-80 near Sharon, PA. Should this route not be numbered with an even first digit?
The other route is I-279. This route has its southern terminus in downtown Pittsburgh at an interchange with I-376. Its northern terminus is north of Pittsburgh in the suburb of Franklin Park, at a partial interchange with I-79 (northbound traffic on either I-279 or I-79 cannot access the other route southbound).
It just seems to me that these are backwards and we should have I-276 and I-379. I understand why this was done, though. There was a project a few years back that renumbered both of these routes. The original 376 terminated in downtown at the junction with 279. The original route 279 ran from a junction with I-79 in Robinson Township, west of Pittsburgh to the current terminus in Franklin Park, also at I-79. The remainder of the freeway, had carried two different numberings. From the I-79 junction to the junction with PA-60 and US 22/30 westbound, the numbering was US22/US30 (These run concurrently even today with I-376; US 22 from the Monroeville terminus to this junction in Robinson Township, US 30 from an interchange near Wilkinsburg, east of the city to this junction), and from that junction to I-80, the PA 60 numbering was used. Therefore, the original numbering was probably correct.
I-279 is legit. It connects to an Interstate at both ends. I-376 is the wonky number. I predict that the South Beltway will be numbered I-576, and the Mon-Fayette Expressway will be numbered I-876. That'd leave I-776 and I-976 as the only unused "x76" numbers in Pennsylvania.
Interstate 76 between Arvada, CO and Big Springs, NE. What's the point of that one? Are there really that many people going to Denver in rural Nebraska?
Interstate 76 between Arvada, CO and Big Springs, NE. What's the point of that one? Are there really that many people going to Denver in rural Nebraska?
I don't think it was added to the grid for people in rural Nebraska. Rather as a short cut for those Denver bound traveling on I-80 from the East. From that stand point I do think the commercial and private traffic justifies it.
Interstate 76 between Arvada, CO and Big Springs, NE. What's the point of that one? Are there really that many people going to Denver in rural Nebraska?
I-76 makes perfect sense as it shortcuts people to I-80 rather than forcing people to take I-25 all the way to Cheyenne to get to I-80.
Interstate 76 between Arvada, CO and Big Springs, NE. What's the point of that one? Are there really that many people going to Denver in rural Nebraska?
There's alot of people travelling between Chicago and Denver.
If Route ever 30 gets upgraded to Interstate standards east of East Canton, it could be part of a western extension of Interstate 78 from just northeast of Harrisburg into the Midwest.
I-279 is legit. It connects to an Interstate at both ends. I-376 is the wonky number. I predict that the South Beltway will be numbered I-576, and the Mon-Fayette Expressway will be numbered I-876. That'd leave I-776 and I-976 as the only unused "x76" numbers in Pennsylvania.
What are your thoughts on this page? I'll post mine when I have more time.
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