Highest & Lowest AADT by State and Route Type

Started by JayhawkCO, February 19, 2021, 03:41:13 PM

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JayhawkCO

For each type of route (interstate, U.S. highway, and state highway), I have the highest and the lowest listed.  The data includes the route number, the actual AADT, and the mile marker where you can find that traffic level.  If it is at the end of the highway, I either put 0 or the total mileage (rounded).  If it's between two mile markers, I took the average of the two.  You can also follow the link attached to the mileage marker for a Google Street View of the location.


StateRouteAADTMMRouteAADTMMRouteAADTMMRouteAADTMMRouteAADTMMRouteAADTMM
AL6513037525322129061531/2809934827333121193275423971621903
AKA1680884A2237118N/AN/AN/AN/AN/AN/A22414016572233
AZ1031845214685538157602601571781919719910122903250888631
AR30125000141496200667/167840004498301721056000135173200
CA405377600225750078110131800018395750557604610002029975306
CO25289000213767200169361720005716014039547011500023784010
1014019
CT84175100623951910050766200171400628/25109600227220018
DE952340291195508422313/4077722279375831190761154942821
FL95312000101019700115183500153441540433826285000825000
5150014
GA75/8540400024952011700161920200025544154002092400991778017
HIH124400012H31040014N/AN/AN/AN/AN/AN/A728450004701505
ID841420004815340015820/26405004895300304556500029299014
IL90/94321700581801875141177100183410001198366500449435086
IN80/94191251669705778318584912413682542626674927158364
IA35/80117000126880650012614320012416932631413800015518339022
KS43515100077335957013754/4001160002791602600107700037137350
KY71/75210707184694752682763740109252301254715775167945
LA102086602314963575890135624258713862324287471848786
ME29583830395854303302320205421282352233405191505150
MD27026563336813260929157322115065102011462610224655
MA932287091590131821031570422520266202811061312478327
MI696192281575135539513113253584272129391514801018512
6428215
MN35W2030001590820075212107000158754541210014200078910144
MS5514300096691200007834000249E170071256100014653035
MO270198800141556841471917691952751601236487741161492422
MT90300744461589639687412431031911643885271097249134
NE801842554508070789061291903651834706437035500168917073
NV153320003880515039395255000766250124592915004844705
NH931060002093590011831248206327242F.E.E.T.91000716B1004
NJ9528544078278268250461403805792101042168788131754442
NM252204122282534461517045128152642071744238428531728
NY9528544008121551846670832392302499A1495973344842
NC40196000282261050006414900040619W702214789000990500
ND9484160350292845218834066089839525718043508581421537
OH270159886336804241163381936108526221173151036074371530
OK441676001234487003164127200467774802133/74117700149601
OR84180140284102003052615969073395220642171197502413477
PA762190003428683007220/3221130003421990028581890006858508
42211300080
RI95261000372954370023140400274441000494400101004009
SC771765009118539001217979001053012501072776020079011000
SD29606007929472022816 Truck20410916 Alt318314425726194780241
TN40/7521269338726950002931E853585421375273851401410325989
5659144
TX10387144758105612199752714881038513465288195343593494329
UT15/8030000030570400010489570004066/503706220112900014124303
1533029
VT89554008989250013074140013074501762A2820057B800
VA952670001696486003250970006852170262816400039914033
WA525700016357100276101102000366395250275167138000192112012
WV641326205864838817750505378325041652705388791461826
WI41/94181000315391080012312/14/18/151143000262813009017573600155160152
WY25150131669017757626/89/191279951538752405929686112282448


SkyPesos

#1
Maryland, Missouri and Ohio with I-270 in the highest... That's 3/4 the I-270 variants! Interesting seeing it 3 times on the list, as someone that lived in StL and Cbus in the past, and visited DC a couple of times. For the mile markers, 14 for STL's 270 makes sense, as a lot of drivers use that part of I-270 to change from I-64 (exit 12) to MO 364 (exit 16) or I-70 (exit 20). 33 for Columbus's I-270 is different from my guess, which is 23 (the stretch between OH 315 and I-71), but I guess New Albany developed to a point that part of I-270 to change from OH 161 to I-670 is much more used, also the Easton Mall's exit is 33. A project that added C/D lanes between I-670 and Easton also finished last year in that area.

Max Rockatansky

They picked up the emergency vehicle on M-185 responding to stuff on Mackinac Island.

kphoger

Quote from: jayhawkco on February 19, 2021, 03:41:13 PM
Similarly, I don't see any data at all for New Mexico U.S. highways. I put a request out to NMDOT, but haven't gotten the data back, so if someone can track down that info, that would be awesome as well.

I found a site for the "Mid-Region", but that's only one piece of the state.
Keep right except to pass.  Yes.  You.
Visit scenic Orleans County, NY!
Male pronouns, please.

Quote from: Philip K. DickIf you can control the meaning of words, you can control the people who must use them.

NWI_Irish96

For Indiana you list highest interstate as 80/90 at MM 6. At MM 6, 80 and 90 are separate roads and not together. My guess is that you mean 80/94.
Indiana: counties 100%, highways 100%
Illinois: counties 100%, highways 61%
Michigan: counties 100%, highways 56%
Wisconsin: counties 86%, highways 23%

JayhawkCO

Quote from: kphoger on February 19, 2021, 04:12:29 PM
Quote from: jayhawkco on February 19, 2021, 03:41:13 PM
Similarly, I don't see any data at all for New Mexico U.S. highways. I put a request out to NMDOT, but haven't gotten the data back, so if someone can track down that info, that would be awesome as well.

I found a site for the "Mid-Region", but that's only one piece of the state.

Yep.  I found that too.  I found state highways; I found interstates; I found nothing for U.S..  Frustrating.

Chris

JayhawkCO

Quote from: cabiness42 on February 19, 2021, 04:14:52 PM
For Indiana you list highest interstate as 80/90 at MM 6. At MM 6, 80 and 90 are separate roads and not together. My guess is that you mean 80/94.

The entry is listed as "I 80/I 90, MM 6.0", so it must be the sixth mile of them being concurrent.  Is the Indiana Toll Road mileposted as one of either I-80 or I-90?  From the Wikipedia page, it doesn't look like it.

Chris

kphoger

Quote from: jayhawkco on February 19, 2021, 04:15:39 PM

Quote from: kphoger on February 19, 2021, 04:12:29 PM

Quote from: jayhawkco on February 19, 2021, 03:41:13 PM
Similarly, I don't see any data at all for New Mexico U.S. highways. I put a request out to NMDOT, but haven't gotten the data back, so if someone can track down that info, that would be awesome as well.

I found a site for the "Mid-Region", but that's only one piece of the state.

Yep.  I found that too.  I found state highways; I found interstates; I found nothing for U.S..  Frustrating.

Then I'm sure you also found the maps with AADT ranges.
Keep right except to pass.  Yes.  You.
Visit scenic Orleans County, NY!
Male pronouns, please.

Quote from: Philip K. DickIf you can control the meaning of words, you can control the people who must use them.

JayhawkCO

Quote from: kphoger on February 19, 2021, 04:19:32 PM
Quote from: jayhawkco on February 19, 2021, 04:15:39 PM

Quote from: kphoger on February 19, 2021, 04:12:29 PM

Quote from: jayhawkco on February 19, 2021, 03:41:13 PM
Similarly, I don't see any data at all for New Mexico U.S. highways. I put a request out to NMDOT, but haven't gotten the data back, so if someone can track down that info, that would be awesome as well.

I found a site for the "Mid-Region", but that's only one piece of the state.

Yep.  I found that too.  I found state highways; I found interstates; I found nothing for U.S..  Frustrating.

Then I'm sure you also found the maps with AADT ranges.

Can you get me the link just in case?  I'd like to think I was exhaustive, but obviously this whole thing was a lot of work and I might have missed something.

Chris

kphoger

Keep right except to pass.  Yes.  You.
Visit scenic Orleans County, NY!
Male pronouns, please.

Quote from: Philip K. DickIf you can control the meaning of words, you can control the people who must use them.

NWI_Irish96

Quote from: jayhawkco on February 19, 2021, 04:18:11 PM
Quote from: cabiness42 on February 19, 2021, 04:14:52 PM
For Indiana you list highest interstate as 80/90 at MM 6. At MM 6, 80 and 90 are separate roads and not together. My guess is that you mean 80/94.

The entry is listed as "I 80/I 90, MM 6.0", so it must be the sixth mile of them being concurrent.  Is the Indiana Toll Road mileposted as one of either I-80 or I-90?  From the Wikipedia page, it doesn't look like it.

Chris

80 does not have its own mileposts. It uses 94 when concurrent with it and 90/Toll Road when concurrent with it. The 6th mile of them being concurrent would be at MM 27 of the toll road and there's no way that has the highest AADT. I'm pretty confident it's supposed to be 80/94.
Indiana: counties 100%, highways 100%
Illinois: counties 100%, highways 61%
Michigan: counties 100%, highways 56%
Wisconsin: counties 86%, highways 23%

TheHighwayMan3561

#11
MN contexts:

I-35W: this is the stretch near the downtown freeway stub merge/split and the I-94 junction in Minneapolis.
I-90: rural farmland east of Worthington.

US 212: the duplex with MN 5 just outside I-494 leading up to the Prairie Center Drive exit in Eden Prairie, one of the main commercial hubs of the southwest metro.
US 75: the dead-end section at Noyes

MN 100: the 394/100 interchange in Golden Valley, the main traffic shift point between the affluent southwest suburbs and downtown, also where the reversible express lanes on 394 end.
MN 89: Canadian border crossing west of Roseau, in the middle of nowhere, in an area well served with other border crossings.
I make Poiponen look smart

formulanone

Going to guess that Alabama's SR 62 is the lowest count for the state, at 190 vehicles/day in 2019.

https://aldotgis.dot.state.al.us/TDMPublic/

JayhawkCO

Quote from: cabiness42 on February 19, 2021, 04:25:03 PM
Quote from: jayhawkco on February 19, 2021, 04:18:11 PM
Quote from: cabiness42 on February 19, 2021, 04:14:52 PM
For Indiana you list highest interstate as 80/90 at MM 6. At MM 6, 80 and 90 are separate roads and not together. My guess is that you mean 80/94.

The entry is listed as "I 80/I 90, MM 6.0", so it must be the sixth mile of them being concurrent.  Is the Indiana Toll Road mileposted as one of either I-80 or I-90?  From the Wikipedia page, it doesn't look like it.

Chris

80 does not have its own mileposts. It uses 94 when concurrent with it and 90/Toll Road when concurrent with it. The 6th mile of them being concurrent would be at MM 27 of the toll road and there's no way that has the highest AADT. I'm pretty confident it's supposed to be 80/94.

Sounds good.  I'll update.  That makes sense anyway having just driven them a couple months ago.

Chris

JayhawkCO

Quote from: formulanone on February 19, 2021, 04:37:03 PM
Going to guess that Alabama's SR 62 is the lowest count for the state, at 190 vehicles/day in 2019.

https://aldotgis.dot.state.al.us/TDMPublic/

Seems as good of a candidate as any, leading to an abandoned Monsanto plant.  OP has been adjusted.

Chris

JayhawkCO

Quote from: kphoger on February 19, 2021, 04:23:53 PM
It looks like the main map requires an ArcGIS sign-in.

Color-coded .pdf by district

Yep.  Found those .pdfs but they're not nearly precise enough for what I'm trying to do.  I was tempted to mess around with ArcGIS, especially when I was trying to get the Alabama info and the only good download I could find was a shape file vs. a .csv.  We'll see what NMDOT comes back with.

Chris

kphoger

What are you considering a "state highway"?   :biggrin:

Keep right except to pass.  Yes.  You.
Visit scenic Orleans County, NY!
Male pronouns, please.

Quote from: Philip K. DickIf you can control the meaning of words, you can control the people who must use them.

JayhawkCO

#17
Quote from: kphoger on February 19, 2021, 05:04:47 PM
What are you considering a "state highway"?   :biggrin:



As posted above, anything that is clinchable on Travel Mapping, so basically signed in the field with the exception of interstates.  I guess I should specify that I'm only using primary state highways.  Also, with your example above the AK7 listed as the lowest AADT is the one near Petersburg. I just edited it with a (PB) so everyone knows which segment it is. :)

Chris

kenarmy

I was going to question US 78 in MS, I forget that it's independent from I-22 for 12 miles.
Just a reminder that US 6, 49, 50, and 98 are superior to your fave routes :)


EXTEND 206 SO IT CAN MEET ITS PARENT.

US 89

#19
I'll give some context for the Utah extremes listed here:

I-15/80: this is within the Spaghetti Bowl interchange in Salt Lake City between SR 201 and I-80. That traffic is spread across a maze of ramps but there's no doubt this is the busiest place in the state road-wise.
I-70: halfway between Green River and Salina, way out in the middle of nowhere, between the two paved roads that go north to serve the only population in the area
US 89: freeway segment south of Ogden just south of I-84
US 6/50: west desert, basically an eastern continuation of Nevada's "Loneliest Road"
SR 201: major Salt Lake freeway, just outside of its interchange with I-215
SR 124: random spur to a now-abandoned mine, branching off another spur state highway well off the beaten path to anywhere

JayhawkCO

And again, for those that take a look at these, please take a look at your states to make sure I didn't miss anything.  Several states were just me panning across a giant .pdf hoping my eyes didn't glaze over before I found a bigger or smaller number.

Chris

JayhawkCO

#21
And I like the idea of the contexts for states.  This will also help to "validate" the data I pulled.  I already realized one of my numbers for CO was wrong as the Highway Explorer counted a frontage road as part of US24.

Colorado
I-25: Right between the main exit from downtown and the intersection with I-70
I-76: Between Ovid and Julesburg in extreme northeastern Colorado

US36: Boulder Freeway right after it exits from I-25
US160: Southeastern Colorado just east of the turnoff for CO389

CO470: Southwestern beltway of Denver between University and Quebec just west of I-25
CO78: The unpaved portion between Beulah and CO165
CO101: A random highway to nowhere (a non-town called Toonerville) in southeastern Colorado

Chris


JayhawkCO

Quote from: kenarmy on February 19, 2021, 05:21:34 PM
I was going to question US 78 in MS, I forget that it's independent from I-22 for 12 miles.

Yep, I had to remember that too, but it beat out US80 in Jackson which comes in for second place.

Chris

CtrlAltDel

Wow. It seems the Downtown Connector in Atlanta has taken over the number one spot from the 405.


Past that, I found this AADT for I-90/94 in Illinois, but it might be an apples and oranges kind of thing.

I-290   I-294   I-55   (I-74)   (I-72)   I-40   I-30   US-59   US-190   TX-30   TX-6

JayhawkCO

#24
Quote from: CtrlAltDel on February 19, 2021, 06:04:59 PM
Wow. It seems the Downtown Connector in Atlanta has taken over the number one spot from the 405.


Past that, I found this AADT for I-90/94 in Illinois, but it might be an apples and oranges kind of thing.



Nope, that's a winner. Illinois is one of the states I couldn't download info for, so it was just zooming in and out on maps.  I'll update.

Also, I didn't realize that I-405 in California wasn't even the highest freeway in California, which is CA60 with 461,000 near the City of Industry.

Chris



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