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National Boards => General Highway Talk => Topic started by: webny99 on July 26, 2018, 01:05:06 PM

Title: Interchanges within another interchange
Post by: webny99 on July 26, 2018, 01:05:06 PM
What other interchanges exist entirely within another interchange?

It may have to be decided on a case by case basis as to whether it qualifies. Here's one example (https://www.google.com/maps/@43.203469,-77.5553237,15.21z) - the interchange between NY 590 and Ridge Road is entirely inside NY 104, which also has a partial interchange with NY 590. Any other examples of this?
Title: Re: Interchanges within another interchange
Post by: TheStranger on July 26, 2018, 01:23:36 PM
the Story Road junction with US 101/Bayshore Freeway in San Jose is a lot like this, where it is underneath ramps for the 101/280/680 stack:
https://www.google.com/maps/place/Story+Rd+%26+Knox+Ave,+San+Jose,+CA+95122/@37.3382182,-121.8476803,17z/data=!3m1!4b1!4m5!3m4!1s0x808fcd2e062d404d:0x6d0944f9df10ec43!8m2!3d37.338214!4d-121.8454916

Much further north, the northbound offramp from the Bayshore Freeway to Bayshore Boulevard in San Francisco (the Silver Avenue exit) is under the long ramp from 101 north to 280 north/101 south to 280 south. (There also used to be a northbound onramp from Bayshore Boulevard that closed in the last decade)
https://www.google.com/maps/place/Silver+Ave+%26+Bayshore+Blvd,+San+Francisco,+CA+94124/@37.7329594,-122.4069077,17z/data=!3m1!4b1!4m5!3m4!1s0x808f7efc31681749:0xbe9829f76d6ba143!8m2!3d37.7329552!4d-122.404719
Title: Re: Interchanges within another interchange
Post by: BrianP on July 26, 2018, 04:36:03 PM
I suppose these could count.  There are interchanges for the I-495 HOT lanes that are within the regular I-495 interchanges. The I-495 HOT lanes are like a parallel separate highway. Since you can't go between the two highways between the ends of the HOT lanes without exiting. 

Braddock Rd
https://www.google.com/maps/@38.813018,-77.213146,15.83z

Gallows Rd.
https://www.google.com/maps/@38.85398,-77.2199259,17.39z

I-66
https://www.google.com/maps/@38.8856276,-77.2202755,16.11z

VA 7
https://www.google.com/maps/@38.9112318,-77.2146098,16.11z

And VA 267
https://www.google.com/maps/@38.9316353,-77.2099593,16.65z
Title: Re: Interchanges within another interchange
Post by: TheHighwayMan3561 on July 26, 2018, 05:12:53 PM
In Eau Claire, WI you have this mess with US 53/BUS US 53/WIS 93.

https://www.google.com/maps/place/Eau+Claire,+WI/@44.7902051,-91.4577217,16z/data=!4m5!3m4!1s0x87f8bd155013d1b3:0x3d438beb43939375!8m2!3d44.811349!4d-91.4984941
Title: Re: Interchanges within another interchange
Post by: roadman65 on July 26, 2018, 05:51:29 PM
When the Osceola Parkway and Victory Way interchange is completed inside WDW in Florida it will have an SPUI underneath a trumpet interchange.

In New York, the massive Bruckner Interchange is technically one within another as originally the Hutchinson River Parkway had an elongated cloverleaf with Bruckner Boulevard where the modern elevated Cross Bronx and Bruckner Expressway were built above grade over the top of the original cloverleaf.  Though some ramps were removed the basic configuration is still the same and, of course, the stone arch bridges carrying Bruckner Boulevard over the Hutch are still there as they were before all the bridges above them are today.
Title: Re: Interchanges within another interchange
Post by: jp the roadgeek on July 26, 2018, 06:46:20 PM
The I-476/US 1 interchange in Media, PA.  You have diamond interchanges from both roadways leading into an elevated volleyball interchange. 

The I-84/I-384/I-291 complex in Manchester, CT.  Coming from I-384 WB toward I-84 EB/I-291 WB, you have a split of the ramp for I-84 and I-291.  After the split, on the I-84 EB connection, there is a ramp to Buckland St that joins the I-84 Exit 62 ramp.  On the westbound I-84 C/D roads, you have ramps to Pleasant Valley Rd., and a ramp serving I-384 EB that is not advertised on mainline I-84 (much like the alternate connection to I-91 south from 5/15 SB in Hartford using the Brainard Rd exit).  After the 84/384 split, the 84 c/d road has Exit 60, while the I-384 ramp has an exit to Spencer St that joins I-384 EB Exit 1, but is unnumbered on the ramp. 

And if we're going to count the separate HOT lane exits in VA, then we need to count the HOV lane partial interchanges from the I-84 and I-91 HOV lanes east and north, respectively, of Hartford. 
Title: Re: Interchanges within another interchange
Post by: Brandon on July 26, 2018, 06:52:05 PM
Ogden Avenue and I-88 at I-355: https://goo.gl/maps/4w3yznarxHn
Lake-Cook Road and I-294 at I-94: https://goo.gl/maps/589evxyTRa42
Title: Re: Interchanges within another interchange
Post by: roadman65 on July 26, 2018, 06:54:41 PM
Metarie, LA has Causeway Blvd. and US 61 have two diamond interchanges converge on an elevated traffic circle.
Title: Re: Interchanges within another interchange
Post by: plain on July 26, 2018, 08:12:09 PM
In Virginia, I-195's interchange with I-64 is inside I-64's interchange with I-95.
Title: Re: Interchanges within another interchange
Post by: Tom958 on July 26, 2018, 09:07:34 PM
Primo example: Rancho Road-US 101 interchange entirely within the CA 23-US 101 interchange (https://www.google.com/maps/@34.1769195,-118.8640129,1490m/data=!3m1!1e3). I think an aerial of this was in at least one edition of the Green Book.
Title: Re: Interchanges within another interchange
Post by: webny99 on July 26, 2018, 09:13:48 PM
In the OP example, the entire interchange, while between NY 590 and Ridge Rd, is in the median of NY 104. So, when I say "inside", I'm essentially looking for interchanges that occur in a freeway median.

Quote from: Brandon on July 26, 2018, 06:52:05 PM
Lake-Cook Road and I-294 at I-94: https://goo.gl/maps/589evxyTRa42

Good example; very definitely one interchange inside of another (though, unlike mine, it's the ramps on the outside instead of the freeway).
Title: Re: Interchanges within another interchange
Post by: Bickendan on July 26, 2018, 09:20:38 PM
Lone Hill Ave gets in with the Foothill (I-210, CA 210) and Orange (CA 57) Freeways interchange: https://goo.gl/maps/XULzkcTesaG2
Here in Portland, Greeley Ave does business with both Minnesota Ave (I-5) and Interstate Ave (who knows if it's still OR 99W or not), all within the Fremont Stack (I-405 and US 30)>: https://goo.gl/maps/ze4Nb1WfL9T2
Title: Re: Interchanges within another interchange
Post by: plain on July 26, 2018, 09:21:48 PM
Quote from: webny99 on July 26, 2018, 09:13:48 PM
In the OP example, the entire interchange, while between NY 590 and Ridge Rd, is in the median of NY 104. So, when I say "inside", I'm essentially looking for interchanges that occur in a freeway median.

Oh. Well...........shit  :-D
Title: Re: Interchanges within another interchange
Post by: jp the roadgeek on July 26, 2018, 10:48:33 PM
Then if we're talking about interchanges that occur within a freeway median, we can count the US 422 Exit to Lancaster Avenue (BUS US 222) in Reading,  PA. 
Title: Re: Interchanges within another interchange
Post by: Henry on July 27, 2018, 10:01:57 AM
When the southern extensions of NC 540 get built, they will meet I-40 at a new interchange that will also include the current US 70 (future I-42) interchange.
Title: Re: Interchanges within another interchange
Post by: thenetwork on July 27, 2018, 10:06:25 AM
The I-480(-N) connector in Cleveland connecting I-480 with US-422 & I-271 north contains an exit for Miles Road within. 
Title: Re: Interchanges within another interchange
Post by: US 89 on July 27, 2018, 10:10:01 AM
In Salt Lake City, the 400 South interchange (https://goo.gl/maps/kFgZGg2S5G72) on I-15 is entirely within the median of I-80. It's a completely separate interchange from the I-15/I-80/500 S/600 S interchange, despite being located in the middle of it.
Title: Re: Interchanges within another interchange
Post by: BrianP on July 27, 2018, 11:08:19 AM
Quote from: jp the roadgeek on July 26, 2018, 06:46:20 PM
The I-476/US 1 interchange in Media, PA.  You have diamond interchanges from both roadways leading into an elevated volleyball interchange.
But that's still just one interchange.
Title: Re: Interchanges within another interchange
Post by: webny99 on July 27, 2018, 12:34:35 PM
Quote from: BrianP on July 27, 2018, 11:08:19 AM
Quote from: jp the roadgeek on July 26, 2018, 06:46:20 PM
The I-476/US 1 interchange in Media, PA.  You have diamond interchanges from both roadways leading into an elevated volleyball interchange.
But that's still just one interchange.

That's kind of what I was thinking. The freeways definitely cross in the middle of a giant square of one-way ramps, but it doesn't really count as being 'inside' another interchange.

That was the first volleyball interchange I ever laid eyes on; so don't get me wrong, I think it's a cool interchange, just not exactly what's being looked for.
Title: Re: Interchanges within another interchange
Post by: paulthemapguy on July 27, 2018, 12:47:44 PM
Quote from: Brandon on July 26, 2018, 06:52:05 PM
Ogden Avenue and I-88 at I-355: https://goo.gl/maps/4w3yznarxHn

Can't believe I didn't think of this.  This was the interchange that got me interested in highways in the first place, as a 3 or 4 year old.  I lived my first 5 years less than a mile from that interchange with all of its flyover ramps.
Title: Re: Interchanges within another interchange
Post by: TheStranger on July 27, 2018, 01:00:57 PM
Another Bay Area example I pass through quite often, the interchange for I-380 and I-280 is located within the ramps off 280 for Sneath Lane/San Bruno Avenue:
https://www.google.com/maps/search/Sneath+Lane+/@37.6293361,-122.4337891,1050m/data=!3m1!1e3

The long ramps connecting 280 with those surface streets were originally designed to also have offramps to the never-built 380 west extension to Pacifica; until the early 2000s, the southbound signage for the Sneath/San Bruno exit included a greened out 380 shield.

In Albany, the ramps for the 580/80 split are surrounded by the ramps for I-80's exit with Buchanan Street:
https://www.google.com/maps/place/Albany,+CA/@37.8884569,-122.3084601,1008m/data=!3m1!1e3!4m5!3m4!1s0x808578d2d25b053d:0xd5b038d13f07112f!8m2!3d37.88687!4d-122.2977475
Title: Re: Interchanges within another interchange
Post by: Roadrunner75 on July 27, 2018, 05:11:15 PM
The first thing I thought of when I read the topic was this interchange in Camden, NJ at the base of the Walt Whitman Bridge:

https://www.google.com/maps/@39.9025547,-75.1134619,654m/data=!3m1!1e3 (https://www.google.com/maps/@39.9025547,-75.1134619,654m/data=!3m1!1e3)

The Collings Ave. interchange with I-676 is within the 676/76 interchange, at least southbound (do I get partial credit?)

Title: Re: Interchanges within another interchange
Post by: webny99 on July 27, 2018, 07:09:22 PM
Quote from: Roadrunner75 on July 27, 2018, 05:11:15 PM
The first thing I thought of when I read the topic was this interchange in Camden, NJ at the base of the Walt Whitman Bridge:
https://www.google.com/maps/@39.9025547,-75.1134619,654m/data=!3m1!1e3 (https://www.google.com/maps/@39.9025547,-75.1134619,654m/data=!3m1!1e3)
The Collings Ave. interchange with I-676 is within the 676/76 interchange, at least southbound (do I get partial credit?)

Sure, why not?  :D
It looks kind of complicated, but I think it counts.

Of course, I'm not discouraging any examples that don't meet my exact criteria, just want to be clear as to what I'm looking for.
Title: Re: Interchanges within another interchange
Post by: roadman65 on July 27, 2018, 11:04:27 PM
Quote from: webny99 on July 27, 2018, 10:22:55 AM
Quote from: US 89 on July 27, 2018, 10:10:01 AM
In Salt Lake City, the 400 South interchange (https://goo.gl/maps/kFgZGg2S5G72) on I-15 is entirely within the median of I-80. It’s a completely separate interchange from the I-15/I-80/500 S/600 S interchange, despite being located in the middle of it.

Another excellent example of what I'm looking for.  :nod:
Would the GW Parkway's interchange with the Arlington Bridge Count?  Its in the median of the Parkway as the NB lanes are in DC along the Bank of the Potomac while the SB lanes travel further inland in VA along the Boundary Channel, but access to and from the Parkway are in its median though with an inside dumbbell but still the GW Parkway there is a freeway.
Title: Re: Interchanges within another interchange
Post by: mgk920 on July 28, 2018, 01:16:27 AM
In Wisconsin, the I-41/WI 32 high speed directional 'T' 'Shawano Interchange' in Howard, WI (suburban Green Bay) is piggybacked over the I-41/WI 29/Shawano Ave interchange.

The about to be rebuilt I-39/90/I-43 'Beloit Interchange' in Beloit, WI will have its new directional 'T' ramps piggybacked over the I-39/90/WI 81 (Milwaukee Rd) interchange in a manner much like in the above example.

Mike
Title: Re: Interchanges within another interchange
Post by: ftballfan on July 28, 2018, 08:46:23 PM
In Michigan, the I-96/Grand River Ave interchange NW of Lansing is within the I-96/I-69 north junction (which is so big it has different exit #'s in each direction)
Title: Re: Interchanges within another interchange
Post by: Mr_Northside on July 31, 2018, 02:39:45 PM
I'd say the PA-51 interchange with US-119 is pretty completely within the (newer) Y interchange with PA-TPK - 43 just outside of Uniontown.

https://goo.gl/maps/XeWLe8QSukN2 (https://goo.gl/maps/XeWLe8QSukN2)
Title: Re: Interchanges within another interchange
Post by: mgk920 on July 31, 2018, 08:56:40 PM
Quote from: Mr_Northside on July 31, 2018, 02:39:45 PM
I'd say the PA-51 interchange with US-119 is pretty completely within the (newer) Y interchange with PA-TPK - 43 just outside of Uniontown.

https://goo.gl/maps/XeWLe8QSukN2 (https://goo.gl/maps/XeWLe8QSukN2)

That's very similar in layout to I-41/WI 29/WI 32/Shawano Ave ('Shawano Interchange') in the Green Bay, WI area and the about to be rebuilt I-39/90/I-43/WI 81/Milwaukee Rd 'Beloit' Interchange in Beloit, WI.

The 'Shawano' interchange:
https://goo.gl/maps/EoYhSPocfRU2

The site of the about-to-be-rebuilt 'Beloit' interchange:
https://goo.gl/maps/KkYgbmkyMPt

Mike
Title: Re: Interchanges within another interchange
Post by: bzakharin on August 01, 2018, 10:53:30 AM
How about this beauty?
https://www.google.com/maps/@40.5261638,-74.338045,16.75z
Aside from being a nightmare to navigate NJ 440 North to CR 514 East and CR 514 West to NJ 440 North movements are completely independent of, but inside of the "Exit 10" interchange between the NJ Turnpike, I-287, and NJ 440 (the other movements between the two roads connect to the rest of the main interchange, however).
Title: Re: Interchanges within another interchange
Post by: roadman65 on August 04, 2018, 10:43:30 AM
https://www.flickr.com/photos/54480415@N08/29973033938/in/dateposted-public/
This one in Tulsa, OK on I-244 & US 412 is that way.
https://www.google.com/maps/place/Tulsa,+OK/@36.1625512,-95.8920087,15z/data=!4m5!3m4!1s0x87b692b8ddd12e8f:0xe76910c81bd96af7!8m2!3d36.1539816!4d-95.992775

Pan over even further west and see that the Sheridan Road interchange is within the freeway as well.  Though the Memorial Drive interchange here is not only in the median but within the massive I-244 & US 412 and OK 11 freeway to freeway interchange in addition.
Title: Re: Interchanges within another interchange
Post by: ilpt4u on August 04, 2018, 12:27:56 PM
More up in Chicagoland

Both ends of the I-55/Old US 66/Joliet Road concurrency...@ I-294 @ the NE end, and @ I-355 @ the SW end
Title: Re: Interchanges within another interchange
Post by: stchuckroadgeek on August 04, 2018, 06:04:30 PM
How about the mess of I-170, I-64/US 40, Brentwood Bvld, Eager Road and Hanley Road in Saint Louis County, MO

https://www.google.com/maps/@38.6295706,-90.3476169,15.65z (https://www.google.com/maps/@38.6295706,-90.3476169,15.65z)
Title: Re: Interchanges within another interchange
Post by: MantyMadTown on August 07, 2018, 11:18:05 PM
Quote from: mgk920 on July 28, 2018, 01:16:27 AM
In Wisconsin, the I-41/WI 32 high speed directional 'T' 'Shawano Interchange' in Howard, WI (suburban Green Bay) is piggybacked over the I-41/WI 29/Shawano Ave interchange.

The about to be rebuilt I-39/90/I-43 'Beloit Interchange' in Beloit, WI will have its new directional 'T' ramps piggybacked over the I-39/90/WI 81 (Milwaukee Rd) interchange in a manner much like in the above example.

Mike

I only found this thread now but I came here to say those two.
Title: Re: Interchanges within another interchange
Post by: mgk920 on August 08, 2018, 09:48:00 AM
Quote from: MantyMadTown on August 07, 2018, 11:18:05 PM
Quote from: mgk920 on July 28, 2018, 01:16:27 AM
In Wisconsin, the I-41/WI 32 high speed directional 'T' 'Shawano Interchange' in Howard, WI (suburban Green Bay) is piggybacked over the I-41/WI 29/Shawano Ave interchange.

The about to be rebuilt I-39/90/I-43 'Beloit Interchange' in Beloit, WI will have its new directional 'T' ramps piggybacked over the I-39/90/WI 81 (Milwaukee Rd) interchange in a manner much like in the above example.

Mike

I only found this thread now but I came here to say those two.

Also in the Green Bay, WI area, the SB off and NB on ramps for the I-41/US 141 (Velp Ave) interchange are 'inside' of the high-speed ramps for the I-41/I-43 'Howard Interchange' in suburban Howard.

Mike
Title: Re: Interchanges within another interchange
Post by: jcarte29 on August 08, 2018, 11:42:40 PM
Quote from: Henry on July 27, 2018, 10:01:57 AM
When the southern extensions of NC 540 get built, they will meet I-40 at a new interchange that will also include the current US 70 (future I-42) interchange.

I can't wait to see that completed.