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Old December 6th, 2012, 07:20 PM   #8501
Penn's Woods
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Originally Posted by ChrisZwolle View Post
It's hardly worth Interstate status. It has virtually no significance for through traffic, it's basically just a long offramp of I-81.
And they couldn't call it 181, 381 or 581?
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Old December 6th, 2012, 07:30 PM   #8502
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It makes more sense to give a higher number further north / east into a state.

Last edited by ChrisZwolle; December 6th, 2012 at 07:45 PM.
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Old December 6th, 2012, 07:40 PM   #8503
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But, as you surely know, three-digit-Interstate numbers can be duplicated in different states. Since 781 is the only odd-prefixed three-digit x81 in New York, there's no reason (in my opinion) to give it such a high prefix.

It's not a big deal and I don't really care, mind you; it just seems strange.
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Old December 6th, 2012, 07:46 PM   #8504
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Maybe they reserve the lower numbers for eventual future auxiliary routes.
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Old December 6th, 2012, 08:00 PM   #8505
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Or because other states have used lower-numbered spurs and there's no reason to confuse people, rather than just having I-781?
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Old December 6th, 2012, 08:07 PM   #8506
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I'm not all giddy over US 41's current upgrades nor its pending interstate promotion, to me it's all just another highway construction project in US 41's 85+ years of ever-ongoing evolution. I'm much more giddy about US 10's ongoing upgrades between Appleton and Stevens Point and WI 26's ongoing upgrades between Oshkosh and Janesville.



As for I-781, I can see it eventually being extended northeastward from just north of its US 11 interchange, perhaps all the way to and beyond Champlain, NY.

Mike
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Old December 6th, 2012, 08:11 PM   #8507
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Originally Posted by mgk920 View Post
I'm not all giddy over US 41's current upgrades nor its pending interstate promotion, to me it's all just another highway construction project in US 41's 85+ years of ever-ongoing evolution. I'm much more giddy about US 10's ongoing upgrades between Appleton and Stevens Point and WI 26's ongoing upgrades between Oshkosh and Janesville.



As for I-781, I can see it eventually being extended northeastward from just north of its US 11 interchange, perhaps all the way to and beyond Champlain, NY.

Mike
Well, then they'd have to call it I-98.
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Old December 6th, 2012, 08:18 PM   #8508
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One thought regarding the opening of I-781 - there are now four interstates that end with direct feeds into the main gates of military bases. They are:

I-H3 - USMarine Corps Base Hawaii (Kaneohe Bay, HI)
I-185 - Fort Benning (USArmy), GA
I-564 - Norfolk, VA Naval Base
I-781 - Fort Drum (USArmy), NY

There are numerous interstates that pass through military bases.

Mike
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Old December 6th, 2012, 08:18 PM   #8509
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Quote:
Originally Posted by ChrisZwolle View Post
It makes more sense to give a higher number further north / east into a state.
Never thought of it that way. I suppose that would make sense, but there's certainly no practice of doing that that I've noticed.

Quote:
Originally Posted by ChrisZwolle View Post
Maybe they reserve the lower numbers for eventual future auxiliary routes.
That, I'll believe when I see it!

Quote:
Originally Posted by sotonsi View Post
Or because other states have used lower-numbered spurs and there's no reason to confuse people, rather than just having I-781?
There are a 381 and a 581 in Virginia, and there used to be a 181 in Tennessee. So that may have been their thinking, but again that's not consistent practice. To the extent normal Americans (as opposed to roadgeeks) notice this sort of thing, I'd guess they're used to numbers being reused hundreds of miles apart. Just off the top of my head, I can think of four I-110s, three of them (in Louisiana, Mississippi and Florida) being relatively close together; the 110s in Mississippi and Florida are not only the only x10s in their states, but they're also within about 100 miles of each other. So obviously neither of those states thought of the danger of confusion.
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Old December 6th, 2012, 08:19 PM   #8510
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I wonder how many people confuse I-287 with I-278 in the greater New York area. Both have some kind of a beltway function.
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Old December 6th, 2012, 08:29 PM   #8511
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Well, the two don't actually meet so it wouldn't affect outsiders, and the natives don't think in route numbers.... (Well, 287 in New Jersey is "287" because it doesn't have a name, but I'd guess nine out of ten New Yorkers think of 278 as "the BQE" or "the Bruckner" or whatever, depending where you are....)
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Old December 8th, 2012, 11:09 AM   #8513
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Quote:
Originally Posted by ChrisZwolle View Post
It's hardly worth Interstate status. It has virtually no significance for through traffic, it's basically just a long offramp of I-81.
The point of most 3di's is to act as long off-ramp of mainline interstates, n'est-ce pas?
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Old December 8th, 2012, 11:16 AM   #8514
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Most 3di's serve urban areas or have at least several exits. I-781 has just one exit at US 11 before terminating at the Fort Drum main gate.
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Old December 8th, 2012, 11:59 AM   #8515
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I'm awaiting for a I-995, it would be the highest number given ever to a I-highway.

And I'm sure most of us believed that I-238 was a mistake when first seen on a map. There is no I-38 anywhere.
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Old December 8th, 2012, 12:12 PM   #8516
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And I'm sure most of us believed that I-238 was a mistake when first seen on a map. There is no I-38 anywhere.
That comes from CA-238. However, only road enthusiasts will probably find discrepancies in the numbering system a problem, especially minor ones like I-238 or I-97. The U.S. Highway system has more discrepancies than the Interstate Highway system though. 3-digit routes are frequently more important than 2-digit ones.
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Old December 9th, 2012, 12:30 AM   #8517
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Quote:
Originally Posted by ChrisZwolle View Post
That comes from CA-238. However, only road enthusiasts will probably find discrepancies in the numbering system a problem, especially minor ones like I-238 or I-97.
Don't say this to the folks over on AARoads.
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Old December 9th, 2012, 07:18 AM   #8518
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Indeed. I-238 is completely unacceptable. And 97's ridiculous.
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Old December 9th, 2012, 08:17 AM   #8519
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Technically I-97 is not a discrepancy; it is east of I-95. But it is so small and uneventful that it feels "wasted", it would have logically been better off as a spur of 95...like 895 or something.

I'm surprised nobody mentioned I-99 which is in the middle of PA.
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Old December 9th, 2012, 08:49 AM   #8520
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Quote:
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Technically I-97 is not a discrepancy; it is east of I-95. But it is so small and uneventful that it feels "wasted", it would have logically been better off as a spur of 95...like 895 or something.

I'm surprised nobody mentioned I-99 which is in the middle of PA.
I-97 is more of an anomaly than 99 (imho): it's way too short to be a two-digit route. 99's long enough for a two-digit route (or will be when it's extended into New York state). It's out of numerical order, but I don't see a solution to that since every other number from 69 up is taken.
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