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Author Topic: I-678 the only 3 digit with three consecutive numbers  (Read 1186 times)

roadman65

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I-678 the only 3 digit with three consecutive numbers
« on: June 12, 2021, 11:00:36 AM »

I was noticing that in the interstate system that in NYC, you have 6-7-8 to make the route number 678. In Dallas, TX you have I-345 which is 3-4-5.  Those are the only two 3 digit interstates like that but TexDOT fails to sign I-345 at all. So in essence I-678 is unique in this fashion like I-555 is the only three digit interstate to use one number out of two to be signed. The other being I-444 in Oklahoma not signed at all.

In US highways US 123 is totally unique as itís the only three with consecutive numbers in that situation.

Interesting.
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Sheryl Crowe

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Re: I-678 the only 3 digit with three consecutive numbers
« Reply #1 on: June 12, 2021, 11:08:32 AM »

In US highways US 123 is totally unique as itís the only three with consecutive numbers in that situation.

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Re: I-678 the only 3 digit with three consecutive numbers
« Reply #2 on: June 12, 2021, 11:33:03 AM »

I-890 qualifies - on a keyboard or calculator . . .
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SkyPesos

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Re: I-678 the only 3 digit with three consecutive numbers
« Reply #3 on: June 12, 2021, 12:25:09 PM »

For decreasing consecutive numbers, I-876 and I-765 currently donít exist, but are somewhat possible for the future based on the non-interstate corridors nearby. I-987 and I-543, a bit less so.
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kenarmy

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Re: I-678 the only 3 digit with three consecutive numbers
« Reply #4 on: June 13, 2021, 09:56:34 AM »

Also US 789  :sombrero:.
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Occidental Tourist

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Re: I-678 the only 3 digit with three consecutive numbers
« Reply #5 on: June 14, 2021, 12:18:29 AM »

I-890 qualifies - on a keyboard or calculator . . .

Donít forget I-[0]12 in Louisiana.
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thspfc

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Re: I-678 the only 3 digit with three consecutive numbers
« Reply #6 on: June 14, 2021, 07:42:40 AM »

For decreasing consecutive numbers, I-876 and I-765 currently donít exist, but are somewhat possible for the future based on the non-interstate corridors nearby. I-987 and I-543, a bit less so.
Never heard of I-543.
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sprjus4

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Re: I-678 the only 3 digit with three consecutive numbers
« Reply #7 on: June 14, 2021, 08:03:37 AM »

For decreasing consecutive numbers, I-876 and I-765 currently donít exist, but are somewhat possible for the future based on the non-interstate corridors nearby. I-987 and I-543, a bit less so.
Never heard of I-543.
None of the corridors he listed currently exist. Heís speaking hypothetically.
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Rothman

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Re: I-678 the only 3 digit with three consecutive numbers
« Reply #8 on: June 14, 2021, 11:07:02 AM »

Fictionally, anyway.
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Henry

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Re: I-678 the only 3 digit with three consecutive numbers
« Reply #9 on: June 14, 2021, 11:15:34 AM »

I-890 qualifies - on a keyboard or calculator . . .

Donít forget I-[0]12 in Louisiana.
And I-210, found in Los Angeles and Lake Charles.
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Re: I-678 the only 3 digit with three consecutive numbers
« Reply #10 on: June 14, 2021, 11:57:36 AM »

Donít forget I-[0]12 in Louisiana.

I wouldn't count that. As a 2di, there's really no implied 0 there. I would count it, though, if there were an I-1, since 1di's are in essence 2di's with an elided 0.
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Roadgeekteen

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Re: I-678 the only 3 digit with three consecutive numbers
« Reply #11 on: June 14, 2021, 04:40:56 PM »

Any roads with 4 consecutive numbers?

SkyPesos

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Re: I-678 the only 3 digit with three consecutive numbers
« Reply #12 on: June 14, 2021, 04:51:20 PM »

Any roads with 4 consecutive numbers?
Thereís a KY 2345 in the Cincy metro area, at NKU.
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Jim

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Re: I-678 the only 3 digit with three consecutive numbers
« Reply #13 on: June 14, 2021, 05:31:02 PM »

Any roads with 4 consecutive numbers?

TM data has examples of roads numbered 1234, 2345, 3456, 4567, 5678, and 6789.
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wxfree

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Re: I-678 the only 3 digit with three consecutive numbers
« Reply #14 on: June 14, 2021, 11:45:40 PM »

The first three digit I thought of was I-345, which is near me.

Texas has FM Roads 1234, 2345, and 3456.
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Roadgeekteen

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Re: I-678 the only 3 digit with three consecutive numbers
« Reply #15 on: June 15, 2021, 12:24:40 AM »

A stretch but 5 consecutive numbers?

CNGL-Leudimin

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Re: I-678 the only 3 digit with three consecutive numbers
« Reply #16 on: June 15, 2021, 05:22:57 AM »

I recently finished clinching A-1234 here in Aragon, Spain, if that counts. There will be an A-2222 (four of the same number) nearby in a few years. In fact there will be A-2, A-22, A-222 and A-2222 all within Aragon, the first two are freeways, the other two regular roads.
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