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Author Topic: Highest Exit Sum in Your State...  (Read 1628 times)

webny99

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Re: Highest Exit Sum in Your State...
« Reply #50 on: June 13, 2018, 08:18:50 AM »

If they ever convert the Thruway to mileage-based exits and keep the current mile-markers intact, then somewhere around Buffalo would likely be home to the highest number, no?

Here's hoping future exit numbers don't use thruway mileage, and instead use the mileage of I-87 and I-90!

But if they did, the highest would probably be the thruway and I-390, since I-190 and I-290 both end at an unnumbered junction with I-90.

jon daly

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Re: Highest Exit Sum in Your State...
« Reply #51 on: June 13, 2018, 08:52:47 AM »

Little Rhody's is 19. I-195 splits at I-95 and there is no exit number. The exit number for I-195 off on I-95 is 19.

Actually it is 20 because I-195 has a different exit number on I-95 SB.

19 is for Eddy St SB?
« Last Edit: June 13, 2018, 10:49:12 AM by jon daly »
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Thing 342

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Re: Highest Exit Sum in Your State...
« Reply #52 on: June 13, 2018, 09:27:51 AM »

VA's is I-64/264/664 in Bowers Hill at 299 + 15 + 1 = 315, narrowly beating out I-64 / I-81 in Staunton at 221 + 81 = 308.
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Re: Highest Exit Sum in Your State...
« Reply #53 on: June 13, 2018, 10:33:11 AM »

If they ever convert the Thruway to mileage-based exits and keep the current mile-markers intact, then somewhere around Buffalo would likely be home to the highest number, no?

West of it; the last exit on the Thruway would be Exit 495 in Ripley. If only the Thruway's numbering were converted, then nothing else would add enough to the sum to beat 495.

But if they did, the highest would probably be the thruway and I-390, since I-190 and I-290 both end at an unnumbered junction with I-90.

Those unnumbered junctions would still result in a higher sum than Thruway/390, since that junction is only Exit 12 from I-390, and both 190 and 290 are more than 12 miles from there.

So, the 390 interchange would be 362+12=374. The 290 interchange would be 420+0; the 190 interchange would be 426+0.
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jp the roadgeek

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Re: Highest Exit Sum in Your State...
« Reply #54 on: June 13, 2018, 11:32:46 AM »

If they ever convert the Thruway to mileage-based exits and keep the current mile-markers intact, then somewhere around Buffalo would likely be home to the highest number, no?

West of it; the last exit on the Thruway would be Exit 495 in Ripley. If only the Thruway's numbering were converted, then nothing else would add enough to the sum to beat 495.

But if they did, the highest would probably be the thruway and I-390, since I-190 and I-290 both end at an unnumbered junction with I-90.

Those unnumbered junctions would still result in a higher sum than Thruway/390, since that junction is only Exit 12 from I-390, and both 190 and 290 are more than 12 miles from there.

So, the 390 interchange would be 362+12=374. The 290 interchange would be 420+0; the 190 interchange would be 426+0.
And if they gave NY 400 mileage based exit numbers including the endpoint at I-90, NY 400 would be 445 (428+17)
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vdeane

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Re: Highest Exit Sum in Your State...
« Reply #55 on: June 13, 2018, 01:59:49 PM »

If NY went mile-based and the Thruway kept its mileage, it would be a tossup between I-90/I-390 and I-90/NY 400.  I-390 would convert to exit 65, and NY 400 is about 65 miles away, so it comes down to the exact numbers and whether NY 400 would get numbers (and whether the terminus would be numbered; NY traditionally hasn't done this, but both I-99 and I-781 have numbered termini).
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jp the roadgeek

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Re: Highest Exit Sum in Your State...
« Reply #56 on: June 13, 2018, 02:29:06 PM »

It would be I-90/I-390.  362+66=428. 
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webny99

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Re: Highest Exit Sum in Your State...
« Reply #57 on: June 13, 2018, 04:20:08 PM »

It would be I-90/I-390.  362+66=428.

Exactly, I thought it went without saying that we'd also use a mileage-based number for I-390 in this theoretical.

clong

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Re: Highest Exit Sum in Your State...
« Reply #58 on: June 13, 2018, 04:56:58 PM »

385 for Alabama, at I-65 and I-20/59 for exits 261 and 124, respectively.

Honorable mention with a total of 341 to I-65 @ I-565 for exits 340 and 1, respectively.
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Re: Highest Exit Sum in Your State...
« Reply #59 on: June 13, 2018, 08:18:08 PM »

385 for Alabama, at I-65 and I-20/59 for exits 261 and 124, respectively.

Honorable mention with a total of 341 to I-65 @ I-565 for exits 340 and 1, respectively.

If they ever seriously extend I-565 towards US 31 in Decatur, I'm not sure what they'd do about exit numbers...probably just leave them unnumbered.

Exit numbers aren't really used that much in public discourse and advertising in the area, since it's just a 20-mile route.
« Last Edit: June 14, 2018, 11:58:11 AM by formulanone »
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roadman65

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Re: Highest Exit Sum in Your State...
« Reply #60 on: June 13, 2018, 08:25:44 PM »

I-10 at I-75- Exit 296
I-75 at I-10 - Exit 435
Sum = 731

Though one would conclude I-10 at I-95 would be more but it totals to 714 a difference of 16 less.
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Re: Highest Exit Sum in Your State...
« Reply #61 on: June 13, 2018, 08:26:29 PM »

VA's is I-64/264/664 in Bowers Hill at 299 + 15 + 1 = 315, narrowly beating out I-64 / I-81 in Staunton at 221 + 81 = 308.
Wisconsin's is even closer I-43/94/794 in Milwaukee is 310+72+1=383 I-90/94/WI30 in Madison is 240+138+3=381
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vdeane

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Re: Highest Exit Sum in Your State...
« Reply #62 on: June 13, 2018, 08:27:16 PM »

It would be I-90/I-390.  362+66=428. 
427.  I-390's MP 65 is posted shortly before the NB deceleration lane begins and I'm pretty sure NY is a round down state.  Thruway MP 428 is inside exit 54, so I could see either number being applied, and literally any contribution from NY 400 (should it gain numbers, especially at the terminus) would make it win.
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michravera

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Re: Highest Exit Sum in Your State...
« Reply #63 on: June 13, 2018, 08:51:24 PM »

Hawaii's highest sum is at H-201's eastern junction (4) with H-1 (19) = 23.

Alaska doesn't do exit numbers, except for one freeway in Fairbanks that doesn't connect to any other freeways.

I think California's is in Redding, at the interchange of I-5 (678) and CA 44 (2) = 680. The I-5 interchange with CA 299 would be higher, except 299's exit numbering only starts east of I-5, with no number on 299 for its interchange with I-5. Similar situation with the US 101/CA 299 interchange, where US 101 has a numbered exit (716) but CA 299's exits onto US 101 are unnumbered.

One thing that keeps us low in California is that Eastern California doesn't have many freeways and that the longest roads in the state Both I-5 and US-101 don't have as many freeway exits.
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vdeane

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Re: Highest Exit Sum in Your State...
« Reply #64 on: June 13, 2018, 08:57:13 PM »

Meanwhile, with hypothetical mile-based numbers for I-90 and I-87 following their true mileage, the highest sume for NY would be approximately 505 at the eastern I-90/I-87 junction (existing exit 1 for both, which would be approximately 348 for I-90 and approximately 157 for I-87).
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wxfree

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Re: Highest Exit Sum in Your State...
« Reply #65 on: June 13, 2018, 10:18:27 PM »

The winner is south of Dallas, TX:

I-35E meets I-20 at Exit 418
I-20 meets I-35E at Exit 467

418+467=885

The exit to I-10 from I-69 is number 132.  That plus I-10's 770 makes 902.

I didn't know I-69 had exit numbers, but I checked Street View and saw that it does.  Google Maps doesn't have them labeled, but the tabs are on the signs (at least at I-10).

https://goo.gl/maps/eNVYtZGf5dn

132 miles from that point along the existing road is on the south side of Victoria.

It looks like Texas has the top two.  Also above 800 miles to apparently come in fourth behind California is I-10 at I-610 east.  I-10's 775 is enough to reach 801 when added to I-610's paltry 26.
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empirestate

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Re: Highest Exit Sum in Your State...
« Reply #66 on: June 14, 2018, 02:00:14 AM »

It would be I-90/I-390.  362+66=428.

Exactly, I thought it went without saying that we'd also use a mileage-based number for I-390 in this theoretical.

No, since thenetwork specified only the Thruway changing, but also because even a mile-based I-390 doesn't get you close to the highest-numbered exit on a mile-based Thruway, which is 495 (or 494, if we truncate). If we're allowing intersecting highways that don't have numbered exits, then that's what would win.

It would be I-90/I-390.  362+66=428. 
427.  I-390's MP 65 is posted shortly before the NB deceleration lane begins and I'm pretty sure NY is a round down state.  Thruway MP 428 is inside exit 54, so I could see either number being applied, and literally any contribution from NY 400 (should it gain numbers, especially at the terminus) would make it win.

But wouldn't US 219 be a higher sum even without gaining numbers? It's at mile 429. And if gaining numbers isn't necessary, what about all the highways west of US 219? What beats 495?
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webny99

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Re: Highest Exit Sum in Your State...
« Reply #67 on: June 14, 2018, 08:22:02 AM »

even a mile-based I-390 doesn't get you close to the highest-numbered exit on a mile-based Thruway, which is 495 (or 494, if we truncate). If we're allowing intersecting highways that don't have numbered exits, then that's what would win.

We're allowing freeways that don't have exit numbers. Freeway-to-freeway was implied, if not outright specified, in the OP.

Quote
what about all the highways west of US 219?

Within New York State, there are a grand total of zero freeway-freeway interchanges west of I-90/US 219.

empirestate

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Re: Highest Exit Sum in Your State...
« Reply #68 on: June 14, 2018, 10:50:56 AM »

even a mile-based I-390 doesn't get you close to the highest-numbered exit on a mile-based Thruway, which is 495 (or 494, if we truncate). If we're allowing intersecting highways that don't have numbered exits, then that's what would win.

We're allowing freeways that don't have exit numbers. Freeway-to-freeway was implied, if not outright specified, in the OP.

Exit numbers were implied, which usually means freeways, but not always. However, some people were using examples where unnumbered exits are allowed; so, since non-freeways with numbered exits could have been allowed, we have to decide whether the same applies to non-freeways with unnumbered exits. Granted, it makes great sense to make that distinction—we just have to make it.

Quote
Quote
what about all the highways west of US 219?

Within New York State, there are a grand total of zero freeway-freeway interchanges west of I-90/US 219.

But there are non-freeway routes (see above). We have to decide how to apply these cases.
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Re: Highest Exit Sum in Your State...
« Reply #69 on: June 14, 2018, 11:51:56 AM »

Hawaii's highest sum is at H-201's eastern junction (4) with H-1 (19) = 23.

Alaska doesn't do exit numbers, except for one freeway in Fairbanks that doesn't connect to any other freeways.

I think California's is in Redding, at the interchange of I-5 (678) and CA 44 (2) = 680. The I-5 interchange with CA 299 would be higher, except 299's exit numbering only starts east of I-5, with no number on 299 for its interchange with I-5. Similar situation with the US 101/CA 299 interchange, where US 101 has a numbered exit (716) but CA 299's exits onto US 101 are unnumbered.

One thing that keeps us low in California is that Eastern California doesn't have many freeways and that the longest roads in the state Both I-5 and US-101 don't have as many freeway exits.

I'm seeing one in Hilt, CA at I-5 and Hilt Road.  It's I-5 exit 796.  So it's 796 + 0 (unnumbered) = 796, higher than any of the ones mentioned.
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Re: Highest Exit Sum in Your State...
« Reply #70 on: June 14, 2018, 11:53:53 AM »

Hawaii's highest sum is at H-201's eastern junction (4) with H-1 (19) = 23.

Alaska doesn't do exit numbers, except for one freeway in Fairbanks that doesn't connect to any other freeways.

I think California's is in Redding, at the interchange of I-5 (678) and CA 44 (2) = 680. The I-5 interchange with CA 299 would be higher, except 299's exit numbering only starts east of I-5, with no number on 299 for its interchange with I-5. Similar situation with the US 101/CA 299 interchange, where US 101 has a numbered exit (716) but CA 299's exits onto US 101 are unnumbered.

One thing that keeps us low in California is that Eastern California doesn't have many freeways and that the longest roads in the state Both I-5 and US-101 don't have as many freeway exits.

I'm seeing one in Hilt, CA at I-5 and Hilt Road.  It's I-5 exit 796.  So it's 796 + 0 (unnumbered) = 796, higher than any of the ones mentioned.

What I said before:

(Data from OpenStreetMap)

I-5 and CA 99. 525+306=831.
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roadman65

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Re: Highest Exit Sum in Your State...
« Reply #71 on: June 14, 2018, 05:41:32 PM »

Maine would not qualify.  Being I-95 only interchanges with I-295 adding them would be sum up a number less than I-95's last exit number before leaving the US.
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vdeane

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Re: Highest Exit Sum in Your State...
« Reply #72 on: June 14, 2018, 07:27:00 PM »

But wouldn't US 219 be a higher sum even without gaining numbers? It's at mile 429. And if gaining numbers isn't necessary, what about all the highways west of US 219? What beats 495?
True; I didn't think of US 219 since that interchange is a little odd.  Thankfully, signage is clear about the frontage roads being US 219.  If US 219 were to get numbers in this scenario, and number that movement (which I'm not so sure of since it's basically the mainline), it would be 66.

Maine would not qualify.  Being I-95 only interchanges with I-295 adding them would be sum up a number less than I-95's last exit number before leaving the US.
Sure it does.  I-95/I-395: 182+1 = 183
« Last Edit: June 14, 2018, 07:37:04 PM by vdeane »
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txstateends

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Re: Highest Exit Sum in Your State...
« Reply #73 on: June 14, 2018, 09:04:52 PM »

The eventual I-20/I-369 interchange in Marshall, TX should be a pretty big number, but it may not be as high as the I-20/I-35E and I-10/I-69 ones already posted.
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Re: Highest Exit Sum in Your State...
« Reply #74 on: June 14, 2018, 11:57:36 PM »

Soooo close to having a marked exit number:

I-10(614) at Toll TX 130. 130 has no exit numbers for I-10 east or west. It likely would have been 497 for a grand total of 1111


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