All Interstates in a Metro Area Having The Same Exit

[ethanhopkin14]

I wanted to know how many instances in a city/metro area with multiple interstates where one road intersects all the interstates.  A road, not a U.S. Highway (due to them in a lot of cases being designed to intersect all the interstates in a city).  State Highways I will allow.  Of course, the rule is it not only intersects all the interstates, but all the interstates have an exit for that road.

I think about New Braunfels Ave. in San Antonio.  It is aligned north-south, and at the time, I-35 is running east-west, so it crosses I-35 on the east side of downtown, then further south it crosses the already east-west I-10, then crosses I-37 at a diagonal.  Better yet, on the north side of town it crosses I-410, so all three mainline San Antonio interstates and it's one 3di all have an exit for New Braunfels Ave. 

[hotdogPi]

If just I-90, I-93, I-95, and I-495 are counted as being Boston's metro area, surprisingly, nothing qualifies. I-90 has few exits. MA 16 passes under I-495, and several of the east-west ones paralleling I-90 miss I-93.

[Flint1979]

Probably more cities in the southwestern part of their states are going to have lower exit numbers. Like Cincinnati has I-71 and I-75 that have the same numbers or pretty close. I-74 doesn't go up very high. I-275 and I-471 are 3-di's so they will all start at 0 somewhere.

[Flint1979]

Other one's would be Memphis and San Diego.

[1995hoo]

Probably more cities in the southwestern part of their states are going to have lower exit numbers. Like Cincinnati has I-71 and I-75 that have the same numbers or pretty close. I-74 doesn't go up very high. I-275 and I-471 are 3-di's so they will all start at 0 somewhere.

The OP isn't talking about exit numbers. He's talking about a particular road having interchanges with all the Interstates in a particular metropolitan area, subject to certain constraints he mentioned.



Here in the DC area, I don't think there are any roads that qualify due to the combination of the Potomac River (and, to a lesser extent, the Anacostia River) interrupting the path of any roads that could potentially otherwise qualify. For example, there is no road, other than the Capital Beltway (which doesn't qualify, based on my understanding of what the OP specified), that has interchanges with both I-270 and I-66, and likewise there is no road that has interchanges with both I-295 or I-695 and I-66.

[jaehak]

It breaks the US highway rule, but 71 in KC is a clean sweep - it intersects with 70, 35, 29, 49, 435, 470, 670, and 635. Touching 8 interstates in 22 miles is a pretty good run.

[Bruce]

Kind of impossible for the Seattle area because I-705 exists, and thus the only common road is I-5 (which intersects I-705, I-405, and I-90).

[Flint1979]

Probably more cities in the southwestern part of their states are going to have lower exit numbers. Like Cincinnati has I-71 and I-75 that have the same numbers or pretty close. I-74 doesn't go up very high. I-275 and I-471 are 3-di's so they will all start at 0 somewhere.

The OP isn't talking about exit numbers. He's talking about a particular road having interchanges with all the Interstates in a particular metropolitan area, subject to certain constraints he mentioned.



Here in the DC area, I don't think there are any roads that qualify due to the combination of the Potomac River (and, to a lesser extent, the Anacostia River) interrupting the path of any roads that could potentially otherwise qualify. For example, there is no road, other than the Capital Beltway (which doesn't qualify, based on my understanding of what the OP specified), that has interchanges with both I-270 and I-66, and likewise there is no road that has interchanges with both I-295 or I-695 and I-66.

Ok then I didn't understand the question. I-75 in Detroit would qualify in that case, it has an exit for every other Interstate in the metro area. Is that that he meant?

[vdeane]

NY 298 does this in Syracuse.  Starts at I-690 exit 9, crosses I-81 at exit 22, hits I-90 at exit 35, and then crosses I-481 at exit 7.

[michravera]

I wanted to know how many instances in a city/metro area with multiple interstates where one road intersects all the interstates.  A road, not a U.S. Highway (due to them in a lot of cases being designed to intersect all the interstates in a city).  State Highways I will allow.  Of course, the rule is it not only intersects all the interstates, but all the interstates have an exit for that road.

I think about New Braunfels Ave. in San Antonio.  It is aligned north-south, and at the time, I-35 is running east-west, so it crosses I-35 on the east side of downtown, then further south it crosses the already east-west I-10, then crosses I-37 at a diagonal.  Better yet, on the north side of town it crosses I-410, so all three mainline San Antonio interstates and it's one 3di all have an exit for New Braunfels Ave.

Nominally, every road in the Santa Cruz-Watsonville, Salinas-Monterey, San Luis Obispo, Santa Maria, and Santa Barbara metro areas fits the definition. Since no Interstates enter any of these metro areas.

Kamm Ave (as well as CASR-41 and others) fits the definition for the Fresno metro since I-5 is the only interstate in the metro area. 7th Standard Rd (as well as CASR-58 and others) likewise fits the definition for the Bakersfield metro area for the same reason.

(West) El Camino Ave and Elkhorn Blvd both cross I-5 and I-80 in the Sacramento Metro, but not I-305 (unsigned).

[epzik8]

I-695 (Baltimore Beltway) has interchanges with everything except I-195 and I-395. Clockwise starting at the Key Bridge, it has interchanges with I-97, I-895, I-95, I-70, I-795, I-83 at a merge and split, and I-95 again.

[debragga]

Belt Line Rd intersects all of the interstates in Dallas County: I-20 (twice), I-30 (twice), I-35E (twice), I-45, and I-635 (twice). It doesn't intersect the Fort Worth interstates I-35W and I-820.

[ari-s-drives]

In San Diego, SR163 intersects with I-5, I-8, I-805, and I-15, so I think it qualifies (until/unless SR905 becomes I-905)

[Some one]

In Houston, ALT-90/Main Street qualifies as does Shepard Drive
And before I-69, US 59.

[jemacedo9]

US 1 in the Philadelphia used to almost qualify (I-76, I-276, I-476, I-95, I-295)...but missed only I-676.  Unless you could I-195 and I-495 as part of the Phila metro area. 

But when I-95 was rerouted onto the PA Turnpike, that removed the I-95 connection and added a second I-295 meeting.
Otherwise, I don't think any other routes come close. 

[sprjus4]

US-13 Military Hwy intersects with I-64, I-264, I-464, and I-664 in Hampton Roads. It does miss I-564 however.

[Mapmikey]

US-13 Military Hwy intersects with I-64, I-264, I-464, and I-664 in Hampton Roads. It does miss I-564 however.

US 460 gets all of them though

US 33 gets all the Richmond ones - 64, 95, 195, 295

[ran4sh]

In Atlanta, if you only count I-20, 75, 85, and 285, all of them have an exit for Martin Luther King Jr. Drive. (The only issue would be that ML King Jr Dr became discontinuous when Mercedes-Benz Stadium was built.)

If you were to include I-675, I-575, and I-985 as part of metro Atlanta then I don't think you'll find any roads that intersect all of them, as each of those 3dis only serves its specific area. The closest you can get is SR 20 which intersects I-75, I-575, I-985, I-85, I-20, (and then I-75 again), but not I-285 or I-675.

[webny99]

NY 298 does this in Syracuse.  Starts at I-690 exit 9, crosses I-81 at exit 22, hits I-90 at exit 35, and then crosses I-481 at exit 7.

We could also count NY 31 in Rochester: I-390 Exit 21, I-490 Exits 18 & 26, I-590 Exit 2.

[Katavia]

NC 16 can be accessed from all the interstates in the Charlotte area (I-85 at Exit 36, I-77 at Exit 11, I-277 carries NC 16 between its northern terminus and Exit 2B, I-485 at Exits 16 and 57) plus US 74 (Exit 242)

[Avalanchez71]

SR 1 in TN works, however, it is signed as US 70 and US 70S.

[Flint1979]

Ok I finally had enough time to understand the question. In Detroit, Grand River Avenue would come the closest it intersects I-75 downtown, I-94, I-96 (multiple times), I-696 and I-275. Forget I-375 it comes close to it but that's a ridiculous expressway.

In the Flint area, Saginaw Street intersects I-475 (twice), I-69 and I-75.

[zachary_amaryllis]

I wanted to know how many instances in a city/metro area with multiple interstates where one road intersects all the interstates.  A road, not a U.S. Highway (due to them in a lot of cases being designed to intersect all the interstates in a city).  State Highways I will allow.  Of course, the rule is it not only intersects all the interstates, but all the interstates have an exit for that road.

I think about New Braunfels Ave. in San Antonio.  It is aligned north-south, and at the time, I-35 is running east-west, so it crosses I-35 on the east side of downtown, then further south it crosses the already east-west I-10, then crosses I-37 at a diagonal.  Better yet, on the north side of town it crosses I-410, so all three mainline San Antonio interstates and it's one 3di all have an exit for New Braunfels Ave.

i would think colfax ave in denver qualifies.. hits 'em all, tho it is also more-or-less us-everything (36/40/287), its also a city street...

[thspfc]

27th and 84th streets in Milwaukee are only missing I-794, which has only like 3 exits total.

And this is yet another thread in which I can mention the I-39/90/94 concurrency, as it has exits of CTH-V, WI-19, US-51, and US-151 in the Madison area before I-94 departs.

[thenetwork]

Probably more cities in the southwestern part of their states are going to have lower exit numbers. Like Cincinnati has I-71 and I-75 that have the same numbers or pretty close. I-74 doesn't go up very high. I-275 and I-471 are 3-di's so they will all start at 0 somewhere.

The OP isn't talking about exit numbers. He's talking about a particular road having interchanges with all the Interstates in a particular metropolitan area, subject to certain constraints he mentioned.



Here in the DC area, I don't think there are any roads that qualify due to the combination of the Potomac River (and, to a lesser extent, the Anacostia River) interrupting the path of any roads that could potentially otherwise qualify. For example, there is no road, other than the Capital Beltway (which doesn't qualify, based on my understanding of what the OP specified), that has interchanges with both I-270 and I-66, and likewise there is no road that has interchanges with both I-295 or I-695 and I-66.

Ok then I didn't understand the question. I-75 in Detroit would qualify in that case, it has an exit for every other Interstate in the metro area. Is that that he meant?

If/When I-375 in downtown Detroit is decomissioned, wouldn't Grand River Avenue then qualify?