Routes that's basically a long ramp

[DTComposer]

CA-217 is just a glorified off-ramp to access UC Santa Barbara.

I considered this, but CA-217 is also the primary access to the Santa Barbara Airport and Old Town Goleta, each off their own exits - plus it's on the longer end for a "ramp" (2.5 miles), so I consider it a really short spur rather than a glorified ramp.

[thenetwork]

In Ohio, there are several "routes" that are simply ramps to bridges crossing the Ohio River into either Kentucky or West Virginia.

Inland, there are a few connector routes that are pretty much a ramp as well...Like OH-723 which only connects I-70 to US-22 west of Cambridge.

[dantheman]

MA 240 is barely more than a connector ramp between I-195 and US 6, with one at-grade intersection with a local street in the middle. Marking this as "TO US 6"/"TO I-195" probably wouldn't have been any worse for the general public. If I remember correctly (haven't been down 195 in a bit), I don't even think US 6 is mentioned on the signs from I-195.

[achilles765]

Spur 527 in Houston. Never signed, basically just a long on ramp to I-69 south. Even signed only as "To south I-69". Heading north on IH-69, is just a long exit ramp into midtown Houston heading to downtown.

[Tom958]

I don't know if this counts, but on Interstate 82 westbound, where it terminates at this exit–I don't know why it's just Exit instead of Exit 1, but that's for another discussion–just after the Exit sign, reassurance shields say the roadway is Interstate 90 westbound.

It must be WSDOT policy not to number ramps to other roads at an Interstate's terminus as exits. They don't do it at the ends of I-90, I-405, or I-182, either. In the early days, some states didn't number system ramps as exits, at least for Interstates. I can see the logic of that, but muggles would surely struggle with it. 

What I don't get is why the on-ramps for I-82 cross each other. That's a whole extra bridge for nuthin'.

It's so there won't be a left-side entrance.

Here's an overhead view, if it helps: https://goo.gl/maps/TFiUrfjdqiY6xP1N9

It's also weird in that the advance signage has the only BGS I can recall seeing with the phrasing "EITHER LANE."

Nice. Maybe it's unique!

[PHLBOS]

The I-895 Spur routes in Baltimore are essentially glorified ramps between I-895 and (either I-97 or MD 2)

Although northbound on I-97, the "second chance" ramp to I-695 west (to allow access to the MD 648 interchange) is relatively recent and might legitimize things somewhat.

I'm surprised you didn't include Baltimore's I-395 as well.

[Henry]

The I-895 Spur routes in Baltimore are essentially glorified ramps between I-895 and (either I-97 or MD 2)

Although northbound on I-97, the "second chance" ramp to I-695 west (to allow access to the MD 648 interchange) is relatively recent and might legitimize things somewhat.

I'm surprised you didn't include Baltimore's I-395 as well.

Yes, they did.

I-381 VA
I-395 MD
FL-451
FL-453
The current state of AL-108

None of them harm anyone by being signed.

Adding to this, there's also I-375 in Detroit, GA 10 in Atlanta and I-695 in Washington, DC.

[HighwayStar]

Like I-189.
Do you think it's good for a ramp to be numbered?

Ramps should not be numbered, but if it is a case like I-189 where its a half ass job and they need to finish the route then then number should stay up as a reminder.

[jdbx]

AZ-143 Hohokam Expressway in Phoenix is basically just an eastern airport access ramp to/from I-10 and Loop-202.

[KeithE4Phx]

AZ-143 Hohokam Expressway in Phoenix is basically just an eastern airport access ramp to/from I-10 and Loop-202. 

Not the same.  The "access ramp" you speak of is actually unsigned Spur 202, or E. Sky Harbor Blvd.  Because it's not signed as a separate highway, it's called "To AZ 143 South."  AZ 143 runs between I-10 (where it becomes 48th St. going south from there) and McDowell Rd.

https://www.google.com/maps/@33.4376954,-111.9600898,3a,75y,289.34h,90.44t/data=!3m7!1e1!3m5!1sJHUw73rkLV5zBnXQhRoFeg!2e0!6shttps:%2F%2Fstreetviewpixels-pa.googleapis.com%2Fv1%2Fthumbnail%3Fpanoid%3DJHUw73rkLV5zBnXQhRoFeg%26cb_client%3Dmaps_sv.tactile.gps%26w%3D203%26h%3D100%26yaw%3D266.47635%26pitch%3D0%26thumbfov%3D100!7i16384!8i8192?entry=ttu

[jdbx]

AZ-143 Hohokam Expressway in Phoenix is basically just an eastern airport access ramp to/from I-10 and Loop-202. 

Not the same.  The "access ramp" you speak of is actually unsigned Spur 202, or E. Sky Harbor Blvd.  Because it's not signed as a separate highway, it's called "To AZ 143 South."  AZ 143 runs between I-10 (where it becomes 48th St. going south from there) and McDowell Rd.

https://www.google.com/maps/@33.4376954,-111.9600898,3a,75y,289.34h,90.44t/data=!3m7!1e1!3m5!1sJHUw73rkLV5zBnXQhRoFeg!2e0!6shttps:%2F%2Fstreetviewpixels-pa.googleapis.com%2Fv1%2Fthumbnail%3Fpanoid%3DJHUw73rkLV5zBnXQhRoFeg%26cb_client%3Dmaps_sv.tactile.gps%26w%3D203%26h%3D100%26yaw%3D266.47635%26pitch%3D0%26thumbfov%3D100!7i16384!8i8192?entry=ttu

Oh yes, I am aware of the unsigned spur of Loop-202.  I still maintain that AZ-143 is not much more than an access ramp to the airport.  But you are right, that spur would also qualify for this thread's description.

[KeithE4Phx]

AZ-143 Hohokam Expressway in Phoenix is basically just an eastern airport access ramp to/from I-10 and Loop-202. 

Not the same.  The "access ramp" you speak of is actually unsigned Spur 202, or E. Sky Harbor Blvd.  Because it's not signed as a separate highway, it's called "To AZ 143 South."  AZ 143 runs between I-10 (where it becomes 48th St. going south from there) and McDowell Rd.

https://www.google.com/maps/@33.4376954,-111.9600898,3a,75y,289.34h,90.44t/data=!3m7!1e1!3m5!1sJHUw73rkLV5zBnXQhRoFeg!2e0!6shttps:%2F%2Fstreetviewpixels-pa.googleapis.com%2Fv1%2Fthumbnail%3Fpanoid%3DJHUw73rkLV5zBnXQhRoFeg%26cb_client%3Dmaps_sv.tactile.gps%26w%3D203%26h%3D100%26yaw%3D266.47635%26pitch%3D0%26thumbfov%3D100!7i16384!8i8192?entry=ttu

Oh yes, I am aware of the unsigned spur of Loop-202.  I still maintain that AZ-143 is not much more than an access ramp to the airport.  But you are right, that spur would also qualify for this thread's description. 

There is no direct access to the airport from anywhere on the 143.  It is a roughly 5 mile long freeway that runs north and south directly east of the airport, with exits at I-10, University Dr, the aforementioned unsigned 202 Spur (which gets you to the airport), Washington/Van Buren Sts, the Loop 202, and an at-grade intersection at McDowell Rd.

I used to work near the 143 and University, and drove it and the 202 Spur every workday for 13 years.  I know that area quite well.

[zachary_amaryllis]

The ramp from EB 76 to NB 25 in Denver, is long enough to where it SHOULD have a number.. the thing has its own milemarkers.

[Dough4872]

Before MD 200 was built, I-370 was basically a long off-ramp from I-270 to the Shady Grove Metro station.

[CovalenceSTU]

The ramp from EB 76 to NB 25 in Denver, is long enough to where it SHOULD have a number.. the thing has its own milemarkers.

The marker in question:


I like that they put the state name on the shields even though they can't possibly be read from a car

[OCGuy81]

WI-119 the Airport Spur. 

[chrisg69911]

NJ 19 in Paterson. Just connects downtown Paterson/I-80 to GSP
https://www.google.com/maps/@40.8881941,-74.1566939,13.56z?entry=ttu

[mrsman]

CA 259 is an example of this.  Sometimes it gets reassurance shields where at other times it is signed as TO CA 210 or TO I-215.

Since it has its own interchange to Highland Ave, they'd have to consider the north part of it as a ramp to CA-210 and the south part as a ramp to I-215, and put signs on the bridge over Highland Ave saying you're now on CA-210 or I-215.

Despite its short length, I believe that 259 should be signed clearly as 259.  259 north to 210 east Highland, Mtn Resorts and 259 south to 215 south LA, San Bernardino.

Alternatively, 259 should be replaced with an extension of CA-18, which is a much more familiar route into the mountains.  CA-18 reaches CA-210 one exit to the east of where CA-259 ends. Any surface routing of CA-18 south of CA-210 should be decommissioned.


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The opposite of this is the Colorado St off-ramp of I-5 in Glendale, CA.  At one time, this off-ramp (and on-ramp) was known as the Colorado Freeway and was part of CA-134.  Connects I-5 to Colorado St.  It has been functionally replaced by the 134 freeway, but the long off-ramp with intermediate exit does still exist.

https://www.google.com/maps/place/Glendale,+CA/@34.1415689,-118.2618425,15z/data=!4m6!3m5!1s0x80c2c032c8f083a9:0xe53fa19efec926a6!8m2!3d34.1425078!4d-118.255075!16zL20vMGtfcV8?entry=ttu

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The 270 spur in the Bethesda and Potomac areas of Maryland (near DC) is another interesting one.  Originally, it was I-270 when the current I-270 was signed as I-70S.  When most of the suffixed routes were redesignated, I-70S became I-270 and I-270 became the 270 spur.  To a degree, there is some level of confusion between I-270 and I-270 spur, but utilizing the control cities makes it helpful.  270 Spur south to 495 or 270 spur north [implied to 270].

[ethanhopkin14]

It has two exits, but Texas State Highway Spur 557 effectively is the same thing.  It is the unusual result of I-20 being re-routed south, leaving the connection to get from I-20 to US-80.

A better example would be Interstate 110 in El Paso, effectively being a connection to Mexico for Interstate 10. 

[mrsman]

Another example that may come within this is the  "orphaned" portion of the San Bernardino Freeway (between US 101 and I-5).

Based on CA legislative definition, I-10 has two segments:


(a) Route 1 in Santa Monica to Route 5 near Seventh Street in Los Angeles.
(b) Route 101 near Mission Road in Los Angeles to the Arizona state line at the Colorado River via the vicinity of Monterey Park, Pomona, Colton, Indio, and Chiriaco Summit and via Blythe.



(a) is commonly known as the Santa Monica Freeway and the western part of (b) is commonly known as the San Bernardino Freeway.  The problem is that if you wanted to follow I-10 between the two segments, the guide signs have you follow the I-5 Golden State Freeway.  So the small portion of the San Bernardino Fwy between I-5 and US 101, while legislatively part of I-10 according to (b), and generally signed as I-10, is still somewhat orphaned as the traffic going from (a) to (b) will never drive along this small portion.

In effect it is a ramp between US 101 and I-10, but it seems to be postmiled as  part of I-10.  Eastbound it is signed as I-10 and westbound it is signed as US 101.


--------------

Now back in the 1950s and 1960s, as the CA interstate system was being developed, this small section of the San Bernardino Fwy was signed on maps (but probably not the field) as I-110. 

See pic 168 in this excellent article by Tom Fearer: [Search for "August 7, 1958" and then look at the colored maps that follow.]

https://www.gribblenation.org/2023/07/the-history-of-us-route-101-in-los.html?m=1

So certainly that historic I-110 fits the definition of this thread as a glorified off-ramp, but I believe a necessary inclusion to place all of the SB Fwy in the interstate system, and it cannot be part of I-10, since I-10 is co-signed with I-5 to connect to the Santa Monica Fwy.  Nonetheless, I agree that is a wasted use of a number so I'm glad that I-110 was reassigned to the Harbor Freeway and that this segment is an undefined extension of the SB Fwy signed as US 101 or I-10 depending on the direction of travel.  Given how short it is, the I-10 designation does not seem to cause much confusion.  But I could see this getting a secret unsigned state highway designation similar to CA-244 in Sacramento.

[JustDrive]

CA 149 is basically one long ramp connecting CA 99 to CA 70

[SilverMustang2011]

Florida 681 was essentially a 6-mile long exit ramp to The Tamiami Trail from when 75 was extended to Naples in the 80s until the 2010s when at-grade intersections were built on the route.

[ethanhopkin14]

I-10 is basically one long ramp from I-95 with access to Santa Monica Pier. 

[roadman65]

I-175 and I-375 in Florida are basic ramps that split among the streets of St. Pete.

I-395 in Florida connects I-95 to US 1 and FL A1A.

[bing101]

CA-244 Sacramento at the CA-51@I-80 Interchange is a glorified ramp but was initially supposed to be part of a beltway in the Sacramento area.

CA-480 San Francisco has been argued several times that it was a glorified ramp to the Financial district until that was demolished in 1991. Note CA-480 was supposed to connect from I-80 to I-280 and to Doyle Drive/Presidio Parkway until its demolition.