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Author Topic: Blue ramp reference markers  (Read 3262 times)

SkyPesos

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Blue ramp reference markers
« on: September 05, 2021, 11:54:01 AM »

I have no idea what the official term for these are, so if someone knows, tell me and I'll change the thread title. EDIT: They're called "Ramp Reference Markers.

Example of one on an on-ramp in Ohio. Ohio tries to fit it all in a square, which is why road names have letters missing:

And an exit ramp one in Indiana. They fit the full road name with the suffix, and include the exit number. Much prefer Indiana's version over Ohio's:


Rough incomplete list of states that use them (will edit when more states are mentioned):
- Indiana
- Kansas (freeway-freeway only)
- Kentucky
- Michigan (Metro Detroit only)
- New York (green, Region 5 only)
- Ohio
« Last Edit: January 12, 2022, 11:00:14 PM by SkyPesos »
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vdeane

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Re: Small blue ramp signs
« Reply #1 on: September 05, 2021, 12:43:44 PM »

NYSDOT Region 5 does something similar, though I haven't seen such signs used elsewhere in the state.
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GaryV

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Re: Small blue ramp signs
« Reply #2 on: September 05, 2021, 01:43:15 PM »

Michigan has them on some of the larger freeway-to-freeway interchanges.  For example: https://www.google.com/maps/@42.4757176,-83.1108252,3a,21.3y,22.65h,87.62t/data=!3m6!1e1!3m4!1swYTixm4sBlhlDyv7p013Fw!2e0!7i16384!8i8192?hl=en

Is it more than a metro Detroit thing?
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Scott5114

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Re: Small blue ramp signs
« Reply #3 on: September 05, 2021, 02:02:44 PM »

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renegade

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Re: Small blue ramp signs
« Reply #4 on: September 05, 2021, 02:10:30 PM »

Reference markers.
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snowc

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Re: Small blue ramp signs
« Reply #5 on: September 05, 2021, 02:50:07 PM »


NC uses these on NC 540
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US 89

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Re: Small blue ramp signs
« Reply #6 on: September 05, 2021, 07:11:33 PM »

Ramp mileposts of this type have been installed on select freeway-to-freeway interchanges in Utah:

https://www.aaroads.com/forum/index.php?topic=21703.0

SkyPesos

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MASTERNC

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Re: Small blue ramp signs
« Reply #8 on: September 09, 2021, 09:11:44 AM »

PennDOT District 6 has them at one interchange (I-76/I-476/PA 23).  In some cases, they are the exit number with a suffix.  Otherwise, they list the connecting routes.

https://goo.gl/maps/tgsjKiUmyx9pSQHk7

https://goo.gl/maps/x1VWtTi6Pu9Pub1M8
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formulanone

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Re: Small blue ramp signs
« Reply #9 on: September 10, 2021, 09:42:27 PM »

They're scattered around Florida; I-595 seemed to use them for the last 20 years. They would say RAMP ## A-D, where ## was the exit number, and each quadrant was a letter for the direction of the ramp. I don't recall offhand seeing them in other places around the state, but I could be wrong.

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MASTERNC

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Re: Small blue ramp signs
« Reply #10 on: September 13, 2021, 09:39:39 PM »

They’re also used in the Buffalo area by NYSDOT

https://goo.gl/maps/xe9JyteCXkyxCCyD6
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vdeane

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Re: Small blue ramp signs
« Reply #11 on: September 13, 2021, 09:55:06 PM »

They’re also used in the Buffalo area by NYSDOT

https://goo.gl/maps/xe9JyteCXkyxCCyD6

*ahem*

NYSDOT Region 5 does something similar, though I haven't seen such signs used elsewhere in the state.

This thread isn't even a full page and we're already getting repeats...
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wanderer2575

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Re: Small blue ramp signs
« Reply #12 on: September 14, 2021, 12:27:32 PM »

Michigan has them on some of the larger freeway-to-freeway interchanges.  For example: https://www.google.com/maps/@42.4757176,-83.1108252,3a,21.3y,22.65h,87.62t/data=!3m6!1e1!3m4!1swYTixm4sBlhlDyv7p013Fw!2e0!7i16384!8i8192?hl=en

Arbitrarily used on some ramps to and from surface roads as well; for example:
https://goo.gl/maps/hNvmVNgGvf27Jbio7  and  https://goo.gl/maps/YWDpg6L2tcro8B9f9


Is it more than a metro Detroit thing?

Might just be metro Detroit.  I Streetviewed some interchanges in other parts of the state and didn't see any.
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SSR_317

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Re: Small blue ramp signs
« Reply #13 on: November 26, 2021, 07:33:56 PM »

I believe these signs are becoming more common across the country, as they assist motorists in more accurately reporting accidents/breakdowns/problems to 911 dispatchers or other authorities. They also help state & local DOTs in better identifying long and/or confusing ramps more precisely in contract bidding documents.
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Bitmapped

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Re: Small blue ramp signs
« Reply #14 on: November 26, 2021, 07:40:07 PM »

WVDOH uses them state-wide, at least on Interstates.
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Revive 755

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Re: Small blue ramp signs
« Reply #15 on: November 27, 2021, 10:47:13 PM »

I seem to recall some along I-40 around Nashville, TN, prior to 2009 but can't find them on Streetview.
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SkyPesos

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Re: Small blue ramp signs
« Reply #16 on: January 12, 2022, 10:11:55 PM »

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mukade

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Re: Small blue ramp signs
« Reply #17 on: January 12, 2022, 10:55:28 PM »

I have no idea what the official term for these are, so if someone knows, tell me and I'll change the thread title.

Example of one on an on-ramp in Ohio. Ohio tries to fit it all in a square, which is why road names have letters missing:

And an exit ramp one in Indiana. They fit the full road name with the suffix, and include the exit number. Much prefer Indiana's version over Ohio's:


Rough incomplete list of states that use them (will edit when more states are mentioned):
- Indiana
- Kansas (freeway-freeway only)
- Kentucky
- Michigan (Metro Detroit only)
- New York (green, Region 5 only)
- Ohio

Ramp Reference Markers are discussed in the ”Evaluation of reference markers” report that was posted a few weeks ago in a different thread. So they have been around for over 20 years.
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Big John

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Re: Blue ramp reference markers
« Reply #18 on: January 12, 2022, 11:14:42 PM »

Not sure if this counts, freeway to freeway ramp in WI.  It is a modified ramp marker sign.  https://goo.gl/maps/drsNhqxqCMLydC9k7
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