Least traveled interstate ramps/connections

[Roadgeekteen]

Mentioned in another thread, very few people travel from I-57 north to I-24 or I-24 to I-57 south. Also, no ramp, but I can't imagine many people going I-40 west to I-15 north and vice versa. Any other examples?

[sprjus4]

US-264 West to I-95 North and vice versa
I-74 East to I-95 South and vice versa
I-77 South to I-20 West (no ramp for other direction)
I-20 West to I-10 East and vice versa
I-24 West to I-69 North and vice versa
I-57 South to I-55 North and vice versa
TX-130 South to I-10 East and vice versa

[Roadgeekteen]

US-264 West to I-95 North and vice versa
I-74 East to I-95 South and vice versa
I-77 South to I-20 West (no ramp for other direction)
I-20 West to I-10 East and vice versa
I-24 West to I-69 North and vice versa
I-57 South to I-55 North and vice versa
TX-130 South to I-10 East and vice versa

I feel like I-57 south to I-55 north could be used by people in extreme southern Illinois going to St. Louis.

[sprjus4]

US-264 West to I-95 North and vice versa
I-74 East to I-95 South and vice versa
I-77 South to I-20 West (no ramp for other direction)
I-20 West to I-10 East and vice versa
I-24 West to I-69 North and vice versa
I-57 South to I-55 North and vice versa
TX-130 South to I-10 East and vice versa

I feel like I-57 south to I-55 north could be used by people in extreme southern Illinois going to St. Louis.

It would be about 10 minutes slower vs. IL-3 and IL-146 into Cape Girardeau to I-55.

I'm not saying any of those connections aren't used, but they have generally low traffic volumes compared to the other connections based on the way the highways approach each other. For instance, all the other connections at the I-55 / I-57 / US-60 interchange would have higher volumes than that particular movement. I didn't confirm any of these with actual AADT counts, but this is just largely assumptions based on the highway locations and population centers.

[Roadgeekteen]

Also maybe I-70 west to I-15 north, as most traffic would have departed on either US 6 or US 50.

[sprjus4]

I-17 North to I-40 West and vice versa
I-75 South to I-10 West and vice versa
I-59 North to I-20 West and vice versa
I-10 West to I-59 North and vice versa

[US 89]

Can't imagine a whole lot of traffic using the I-15 north to I-84 east connection (or vice versa) via SR 26 near Ogden, unless your origin/destination is in a very specific area of northwest Davis or southwest Weber County south of 4000 South and north of SR 193. US 89 along the Layton east bench is a much better alternative.

[sparker]

Back when I was living down there (pre-late 2012) the ramps from NB I-215 to SB I-15 and vice-versa at Devore didn't get much use, especially after CA 210 was completed out past 215 in 2007.  However, the last time I was on I-15 a bit over a year ago there were plenty of new huge warehouse/distribution facilities lining I-15 just west of the Glen Helen event site, which could mean that those ramps might get utilized quite a bit more than previously, particularly with trucks coming or going from I-10 east of the San Bernardino/Redlands area (that routing would be the most efficient way for that to happen). 

[wanderer2575]

In Michigan, I have to think that I-75 south to I-275 north, and I-275 south to I-75 north, get very little use.

[TheHighwayMan3561]

Minnesota typically does a good job of omitting redundant connecting ramps (see. SB 35W-EB 94, EB 494-NB 169, WB 94-EB 610, no return access between 35W and 35E unlike in Texas). One exception is southbound US 169 to westbound US 10 in Elk River, where 169 has three streets with local access, two of which directly connect to US 10 and making that ramp useless.

[GaryV]

In Michigan, I have to think that I-75 south to I-275 north, and I-275 south to I-75 north, get very little use.

Another possibility is I-696 wb to M-5 eb, and vice versa.
Nor, at the same interchange, I-275 nb to M-5 eb, and vice versa.
You do see vehicles using the loop ramps for M-5 to/from the I-696 to I-275 ramp, but not often.

[DandyDan]

The one in Iowa I doubt gets used very much is the exit from eastbound I-680 I-880 to westbound I-80 and vice versa. I suspect the use of those ramps is 100% directly related to the use of the IA 191 exit.

While I don't doubt the need for it, the ramp from I-35 SB to I-90 EB and the corresponding I-90 WB to I-35 NB must not get used very much at all. I suspect the only people who use them are going to or from Clarks Grove, Hayward, or the KOA at the old US 16 exit east of Hayward.

[hotdogPi]

Isn't there a "private use only" ramp somewhere?

[1995hoo]

This situation no longer prevails due to reconstruction, but for many years, I-495's Inner Loop in Virginia had two exits to westbound I-66, one from the left lane (the original exit dating back to when the roads opened) and a right-side loop-around ramp added some years later in part to help reduce the problem of traffic entering from US-50 and having to cut across four lanes of traffic to the left-side exit in a very short space. Very few people used the right-side exit, even people entering from US-50 (they still cut across all four lanes), and I'd wager the traffic counts would probably show it was severely underused compared to the overall volume of traffic changing direction at that interchange.

That situation no longer exists because nowadays, the left-side ramp is an HO/T exit and everyone in the "free" lanes has to use the right-side ramp, though it will be reconfigured into a flyover instead of a loop during the next few years as part of the I-66 outside-the-Beltway HO/T project.

[jmacswimmer]

I-78 WB to I-81 NB and vice versa - similar to the Iowa example, I would guess that the main purpose of these ramps is to allow local access to/from the PA 72 exit just to the north.

[NWI_Irish96]

The ramps are shared with other more frequently used movements, but these particular movements are pretty rare:

I-80/90 WB -> I-94 EB
I-80/94 EB -> I-90 WB
I-90 EB -> I-80/94 WB
I-94 WB -> I-80/90 EB

[STLmapboy]

US-264 West to I-95 North and vice versa
I-74 East to I-95 South and vice versa
I-77 South to I-20 West (no ramp for other direction)
I-20 West to I-10 East and vice versa
I-24 West to I-69 North and vice versa
I-57 South to I-55 North and vice versa
TX-130 South to I-10 East and vice versa

I feel like I-57 south to I-55 north could be used by people in extreme southern Illinois going to St. Louis.

Been there, done that. I live in STL and have cousins who live near the 55/24 split (most conservative people you'll ever meet in your life, but that's for another thread). Although usually 57 to 64W in Mt Vernon is the way back, we have gone 57 to 55N before (and through Cape Girardeau).

[deathtopumpkins]

Isn't there a "private use only" ramp somewhere?

There's this rail yard access from I-70 WB in Kansas City:
https://goo.gl/maps/N9VJfM1XyA7YhqNcA

There are also direct ramps into a variety of federal facilities around DC (e.g. NASA Goddard, the NSA), but none of these that I can think of are on interstates.

This situation no longer prevails due to reconstruction, but for many years, I-495's Inner Loop in Virginia had two exits to westbound I-66, one from the left lane (the original exit dating back to when the roads opened) and a right-side loop-around ramp added some years later in part to help reduce the problem of traffic entering from US-50 and having to cut across four lanes of traffic to the left-side exit in a very short space. Very few people used the right-side exit, even people entering from US-50 (they still cut across all four lanes), and I'd wager the traffic counts would probably show it was severely underused compared to the overall volume of traffic changing direction at that interchange.

That situation no longer exists because nowadays, the left-side ramp is an HO/T exit and everyone in the "free" lanes has to use the right-side ramp, though it will be reconfigured into a flyover instead of a loop during the next few years as part of the I-66 outside-the-Beltway HO/T project.

This basic situation still exists with the I-64/264 interchange in Norfolk: https://goo.gl/maps/r5n2xcSxZcu64vwc6

From EB I-64 to EB I-264 there's a loop ramp, a flyover, and a HO/T flyover.
From EB I-264 to WB I-64 there's both a loop ramp and a flyover.
From WB I-264 to EB I-64 there's both a loop ramp and a flyover.

Most of these loop ramps still exist as they connect to/from the C/D roads, where the flyovers connect directly to/from the main lanes.

[kphoger]

US-264 West to I-95 North and vice versa
I-74 East to I-95 South and vice versa
I-77 South to I-20 West (no ramp for other direction)
I-20 West to I-10 East and vice versa
I-24 West to I-69 North and vice versa
I-57 South to I-55 North and vice versa
TX-130 South to I-10 East and vice versa

I feel like I-57 south to I-55 north could be used by people in extreme southern Illinois going to St. Louis.

It would be about 10 minutes slower vs. IL-3 and IL-146 into Cape Girardeau to I-55.

I'm not saying any of those connections aren't used, but they have generally low traffic volumes compared to the other connections based on the way the highways approach each other. For instance, all the other connections at the I-55 / I-57 / US-60 interchange would have higher volumes than that particular movement. I didn't confirm any of these with actual AADT counts, but this is just largely assumptions based on the highway locations and population centers.

You should have.

3 of the other 7 ramps have lower AADT than the one in question.

I-57 SB  →  I-55 SB  =  AADT 4384
I-55 NB  →  I-57 NB  =  AADT 4146
I-55 SB  →  U-60 WB  =  AADT 2942
U-60 EB  →  I-55 NB  =  AADT 2820
I-57 SB  →  I-55 NB  =  AADT 1199
U-60 EB  →  I-55 SB  =  AADT 859
I-55 NB  →  U-60 WB  =  AADT 826
I-55 SB  →  I-57 NB  =  AADT 626

[ftballfan]

Some low ones in Michigan (under 1,000 AADT):
I-94 WB -> I-196 NB: 331 AADT (EB I-94 to NB I-196 is over 14,000 AADT)
I-196 SB -> I-94 EB: 363 AADT (SB I-196 to WB I-94 is over 16,000 AADT)
I-69 SB -> I-94 EB: 819 AADT
I-75 SB -> I-675 NB: 856 AADT
I-75 NB -> I-675 SB: 884 AADT
I-94 WB -> I-69 NB: 895 AADT
I-675 NB -> I-75 SB: 922 AADT

In Michigan, I have to think that I-75 south to I-275 north, and I-275 south to I-75 north, get very little use.

Another possibility is I-696 wb to M-5 eb, and vice versa.
Nor, at the same interchange, I-275 nb to M-5 eb, and vice versa.
You do see vehicles using the loop ramps for M-5 to/from the I-696 to I-275 ramp, but not often.

The SB I-275 -> NB I-75 and SB I-75 -> NB I-275 each have slightly over 2,000 AADT. Also, every single freeway to freeway ramp at the I-96/I-275/I-696/M-5 interchange has at least 5,000 AADT!

[Roadgeekteen]

Oh, I also can't see I-90 east to I-84 west being used a lot.

[hotdogPi]

Oh, I also can't see I-90 east to I-84 west being used a lot.

I can. What about those who live on MA/CT 131?

[Roadgeekteen]

Oh, I also can't see I-90 east to I-84 west being used a lot.

I can. What about those who live on MA/CT 131?

I'm not saying the nobody uses it, but it's probably the least used interstate ramp in Massachusetts.

[hotdogPi]

Oh, I also can't see I-90 east to I-84 west being used a lot.

I can. What about those who live on MA/CT 131?

I'm not saying the nobody uses it, but it's probably the least used interstate ramp in Massachusetts.

Exit 37A on MA 2 westbound?

[jmacswimmer]

Oh, I also can't see I-90 east to I-84 west being used a lot.

I can. What about those who live on MA/CT 131?

Or those connecting to US 20 to go to Treehouse Brewery