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Author Topic: Random facts about interstates and US routes  (Read 48622 times)

SkyPesos

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Re: Random facts about interstates and US routes
« Reply #50 on: October 05, 2021, 05:47:27 PM »

Is Breezewood PA the last 'gap' in the 1950's grid? And may "never" get filled?  :hmmm:

No, there are numerous other gaps. I-70, I-95, etc. that are even less likely to be filled, although all could be if we had some real leadership.

Where is the gap on I-95?  Obviously there used to be the one in Jersey...

Chris

DC, I-95 was never completed, they just slapped signs on I-495. However that is a beltway and thus was not the intent of the plan which was to serve DC.
In that case, how about Boston? Similar case with I-95 on MA 128.

HighwayStar

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Re: Random facts about interstates and US routes
« Reply #51 on: October 05, 2021, 05:48:12 PM »

Is Breezewood PA the last 'gap' in the 1950's grid? And may "never" get filled?  :hmmm:

No, there are numerous other gaps. I-70, I-95, etc. that are even less likely to be filled, although all could be if we had some real leadership.

Where is the gap on I-95?  Obviously there used to be the one in Jersey...

Chris

DC, I-95 was never completed, they just slapped signs on I-495. However that is a beltway and thus was not the intent of the plan which was to serve DC.
In that case, how about Boston? Similar case with I-95 on MA 128.

Yep, another gap.
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kenarmy

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Re: Random facts about interstates and US routes
« Reply #52 on: October 05, 2021, 08:20:52 PM »

I've posted some of these elsewhere but:

- US 49 had another split route in MS.
- US 98 used to be shorter than US 57 and was out of grid as well. It was also the longest intrastate US route.
- Ok but it is so shocking to me that US 278 is longer than US 80.
- US 1 is like a mile and a half from the southernmost point of the states.
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skluth

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Re: Random facts about interstates and US routes
« Reply #53 on: October 05, 2021, 08:39:29 PM »

Many know about the Badger, the Lake Michigan ferry connecting US 10 in WI and MI. Fewer know about the MV Highway 16 which connected the the now decommissioned US 16 sections in Milwaukee WI and Muskegon MI.
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US 89

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Re: Random facts about interstates and US routes
« Reply #54 on: October 05, 2021, 09:04:27 PM »

- Ok but it is so shocking to me that US 278 is longer than US 80.

I actually didn't realize this. Looks like although 278 doesn't go as far west, it is a hell of a lot less direct.

US20IL64

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Re: Random facts about interstates and US routes
« Reply #55 on: October 06, 2021, 10:05:20 AM »

Is Breezewood PA the last 'gap' in the 1950's grid? And may "never" get filled?  :hmmm:

No, there are numerous other gaps. I-70, I-95, etc. that are even less likely to be filled, although all could be if we had some real leadership.

Where is the gap on I-95?  Obviously there used to be the one in Jersey...

Chris

DC, I-95 was never completed, they just slapped signs on I-495. However that is a beltway and thus was not the intent of the plan which was to serve DC.
In that case, how about Boston? Similar case with I-95 on MA 128.

Yep, another gap.

I meant when one has to leave highway and to surface road with stoplights, then get back on. Re-routing 95 to avoid tearing down DC neighborhoods is a redesign of route. Or, as with I-81 in Syracuse NY, moving it away from a city to reclaim land.
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Henry

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Re: Random facts about interstates and US routes
« Reply #56 on: October 06, 2021, 10:25:01 AM »

Of the x0 interstates (excluding wannabe I-30), I-10 interchanges with the most x5 interstates, while I-70 interchanges with the least. And none of them meet all 10 of them.
90: 5, 15, 25, 35, 55, 65, 75, 95 (8)
80: 5, 15, 25, 35, 55, 65, 75, 95 (8)
70: 15, 25, 35, 55, 65, 75 (6)
40: 15, 25, 35, 55, 65, 75, 85, 95 (8)
20: 35, 45, 55, 65, 75, 85, 95 (7)
10: 5, 15, 25, 35, 45, 55, 65, 75, 95 (9)
Well, since you mentioned x0s meeting x5s, I'm flipping the script and doing the reverse. And I'm doing the full list this time, including the impostor I-45 (and BTW, I-30, which was excluded from the above list, meets 35, albeit split into two, and 45).

5: 10, 80, 90 (3)
15: 10, 40, 70, 80, 90 (5)
25: 10, 40, 70, 80, 90 (5)
35: 10, 20, 30, 40, 70, 80, 90 (7)
45: 10, 20, 30 (3)
55: 10, 20, 40, 70, 80, 90 (6)
65: 10, 20, 40, 70, 80, 90 (6)
75: 10, 20, 40, 70, 80, 90 (6)
85: 20, 40 (2)
95: 10, 20, 40, 80, 90 (5)

So I-85 interchanges with the fewest x0 interstates, and I-35 interchanges with the most. Of course, I-50 and I-60 don't exist, so none of them will meet all 9. Had I-70 and I-95 met as planned, it would've been 7 for I-70 and 6 for I-95.
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jmacswimmer

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Re: Random facts about interstates and US routes
« Reply #57 on: October 06, 2021, 11:26:18 AM »

[list of x0's meeting x5's]
[list of x5's meeting x0's]
Of course, I-50 and I-60 don't exist, so none of them will meet all 9.

Personally I've always thought of I-44 as the closest thing to an I-50, I-64 as the closest thing to an I-60, and I-94 as the closest thing to an I-100 (similar to US 101).  So with that in mind, I'm going to expand on the above lists by including the (IMHO) de-facto I-50, I-60, & I-100:

94 (as 100): 35, 55, 65, 75 (4)
90: 5, 15, 25, 35, 55, 65, 75, 95 (8)
80: 5, 15, 25, 35, 55, 65, 75, 95 (8)
70: 15, 25, 35, 55, 65, 75 (6)
64 (as 60): 55, 65, 75, 95 (4)
44: (as 50): 35, 55 (2)
40: 15, 25, 35, 55, 65, 75, 85, 95 (8)
30: 35, 45 (2)
20: 35, 45, 55, 65, 75, 85, 95 (7)
10: 5, 15, 25, 35, 45, 55, 65, 75, 95 (9)

5: 10, 80, 90 (3)
15: 10, 40, 70, 80, 90 (5)
25: 10, 40, 70, 80, 90 (5)
35: 10, 20, 30, 40, 44[50], 70, 80, 90, 94[100] (9)
45: 10, 20, 30 (3)
55: 10, 20, 40, 44[50], 64[60], 70, 80, 90, 94[100] (9)
65: 10, 20, 40, 64[60], 70, 80, 90, 94[100] (8)
75: 10, 20, 40, 64[60], 70, 80, 90, 94[100] (8)
85: 20, 40 (2)
95: 10, 20, 40, 64[60], 80, 90 (6)
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SkyPesos

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Re: Random facts about interstates and US routes
« Reply #58 on: October 06, 2021, 11:32:25 AM »

^ I've always thought I-29/I-49 as a better I-45 than actual I-45 itself.

Also, if I-69 is completed, it'll be the third longest N-S interstate (using 69E as the "main" branch of the three in south Texas), only below I-95 and I-75. Pretty impressive for an interstate with a number that is a frequent target for sign theft.
« Last Edit: October 06, 2021, 11:35:42 AM by SkyPesos »
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jmacswimmer

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Re: Random facts about interstates and US routes
« Reply #59 on: October 06, 2021, 11:40:28 AM »

^ I've always thought I-29/I-49 as a better I-45 than actual I-45 itself.

Agreed - and then I-45 could be a better I-41 than actual I-41!  :-D
[/fictional]

Also, if I-69 is completed, it'll be the third longest N-S interstate (using 69E as the "main" branch of the three in south Texas), only below I-95 and I-75.

I think it would also dethrone I-94 for longest interstate not ending in 0 or 5?
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SkyPesos

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Re: Random facts about interstates and US routes
« Reply #60 on: October 06, 2021, 11:55:37 AM »

Also, if I-69 is completed, it'll be the third longest N-S interstate (using 69E as the "main" branch of the three in south Texas), only below I-95 and I-75.

I think it would also dethrone I-94 for longest interstate not ending in 0 or 5?
Yes. I don't know the exact alignment through LA, AR and MS, but with a rough estimate, I got about 1705 miles in route length. For some comparison, I-35 is 1569 miles, I-94 is 1585 miles, and I-75 is 1786 miles. Another candidate for a longer I-45, and actually this one may be better, as Houston keeps their x5  :)
« Last Edit: October 06, 2021, 11:57:39 AM by SkyPesos »
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hbelkins

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Re: Random facts about interstates and US routes
« Reply #61 on: October 06, 2021, 12:30:36 PM »

There is no gap in I-95. Or in I-70, except for Breezewood. In both cases, excepting Breezewood, the routes are continually signed on a freeway.

Now, I-69? There's a gap in it, between Bloomington and Indy, but that gap's being filled. There's a gap between Evansville and Henderson, but progress is being made on eliminating that gap. There's a gap between Mayfield and the area south of Memphis in Mississippi.

I would also say there are gaps in I-74, between the unfinished portions in North Carolina, but would not consider the section between Cincinnati and the NC/VA line to be a gap because there will never be an interstate between those two points. There's also a gap in I-26 between Asheville and Mars Hill, even though there's a freeway running between those two points.
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jlam

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Re: Random facts about interstates and US routes
« Reply #62 on: October 06, 2021, 12:36:57 PM »

There's also a gap in I-26 between Asheville and Mars Hill, even though there's a freeway running between those two points.
That depends on who you ask. According to Google, it is one continuous segment. According to the signage on the freeway, there is a gap along that section, from Forks of Ivy to Asheville.

HighwayStar

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Re: Random facts about interstates and US routes
« Reply #63 on: October 06, 2021, 01:00:52 PM »

There is no gap in I-95. Or in I-70, except for Breezewood. In both cases, excepting Breezewood, the routes are continually signed on a freeway.

Now, I-69? There's a gap in it, between Bloomington and Indy, but that gap's being filled. There's a gap between Evansville and Henderson, but progress is being made on eliminating that gap. There's a gap between Mayfield and the area south of Memphis in Mississippi.

I would also say there are gaps in I-74, between the unfinished portions in North Carolina, but would not consider the section between Cincinnati and the NC/VA line to be a gap because there will never be an interstate between those two points. There's also a gap in I-26 between Asheville and Mars Hill, even though there's a freeway running between those two points.

Those are both gaps, putting a sign on some other road does not fix that.
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US20IL64

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Re: Random facts about interstates and US routes
« Reply #64 on: October 06, 2021, 01:33:55 PM »

I-76 and 88 have two sections, for examples, versus a "gap" like Breezwood. Though this is just my observation. ;-)
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hbelkins

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Re: Random facts about interstates and US routes
« Reply #65 on: October 06, 2021, 03:47:50 PM »

There's also a gap in I-26 between Asheville and Mars Hill, even though there's a freeway running between those two points.
That depends on who you ask. According to Google, it is one continuous segment. According to the signage on the freeway, there is a gap along that section, from Forks of Ivy to Asheville.

I trust the DOT over Google.

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Max Rockatansky

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Re: Random facts about interstates and US routes
« Reply #66 on: October 06, 2021, 03:53:40 PM »

The southern terminus of US 97 carries L suffix Postmiles over the segment of Weed Boulevard that was part of US 99.  The original terminus of US 97 is easily identified where it’s Postmiles reset to unsuffixed 0.00.
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HighwayStar

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Re: Random facts about interstates and US routes
« Reply #67 on: October 06, 2021, 03:55:49 PM »

There's also a gap in I-26 between Asheville and Mars Hill, even though there's a freeway running between those two points.
That depends on who you ask. According to Google, it is one continuous segment. According to the signage on the freeway, there is a gap along that section, from Forks of Ivy to Asheville.

I trust the DOT over Google.

Damn the DOT
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Max Rockatansky

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Re: Random facts about interstates and US routes
« Reply #68 on: October 06, 2021, 03:59:27 PM »

There's also a gap in I-26 between Asheville and Mars Hill, even though there's a freeway running between those two points.
That depends on who you ask. According to Google, it is one continuous segment. According to the signage on the freeway, there is a gap along that section, from Forks of Ivy to Asheville.

I trust the DOT over Google.

Damn the DOT

Is there a gap in the AASHTO definition? 
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US 89

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Re: Random facts about interstates and US routes
« Reply #69 on: October 06, 2021, 04:05:03 PM »

FHWA says the road between I-240 and the Buncombe-Madison county line is not an interstate.

Which is only funny because their own map has I-26 shields on that roadway.

webny99

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Re: Random facts about interstates and US routes
« Reply #70 on: October 06, 2021, 04:10:44 PM »

FHWA says the road between I-240 and the Buncombe-Madison county line is not an interstate.

I agree  ;-)
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jlam

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Re: Random facts about interstates and US routes
« Reply #71 on: October 06, 2021, 04:19:37 PM »

FHWA says the road between I-240 and the Buncombe-Madison county line is not an interstate.

I agree  ;-)
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Re: Random facts about interstates and US routes
« Reply #72 on: October 06, 2021, 04:53:49 PM »

It appears as though most 2di Interstates ending in 2 or 7 are shorter and/or intrastate (or at least near-intrastate) routes.

You have: 2, 12, 17, 27, 37, (Future) 42, 72, 82, (Northern) 87, and 97.
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US20IL64

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Re: Random facts about interstates and US routes
« Reply #73 on: October 06, 2021, 05:14:11 PM »

It appears as though most 2di Interstates ending in 2 or 7 are shorter and/or intrastate (or at least near-intrastate) routes.

You have: 2, 12, 17, 27, 37, (Future) 42, 72, 82, (Northern) 87, and 97.

And seems like the 1's, 9's, 4's [6's?] are just under the 0/5's in importance.  :clap:

71/81, 29/49/59/69, 24/44/64/74/84 and 26/76/86
« Last Edit: October 07, 2021, 12:47:06 AM by US20IL64 »
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MinecraftNinja

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Re: Random facts about interstates and US routes
« Reply #74 on: October 06, 2021, 10:48:08 PM »

There are only 4 interstates that end in x3.
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