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Author Topic: I-24 in TN  (Read 513 times)

CoolAngrybirdsrio4

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I-24 in TN
« on: January 16, 2022, 06:37:58 AM »

I-24 upgrades from Nashville to the Kentucky state line is up there for some of the most wanted projects:
https://clarksvillenow.com/local/interstate-24-widening-from-kentucky-state-line-to-nashville-tops-wish-list-from-local-leaders/

This is after they started expanding I-65 to 3 lanes up to the KY state line (TN 109 exit actually) from Nashville, to link the already 6 lane portion in Kentucky.
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ilpt4u

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Re: I-24 in TN
« Reply #1 on: January 16, 2022, 11:54:29 AM »

I donít head down to Nashville all that often from Southern IL, but when I do, I-24 is a slog in TN approaching Nashville from the northwest. I donít know what the traffic counts are, but by gut feeling, 6 laning is justified

KTC will have to get on board not too long after, and push 6-laning up to at least Hopkinsville/the Pennyrile Pkwy/I-169?
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SkyPesos

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Re: I-24 in TN
« Reply #2 on: January 16, 2022, 11:58:42 AM »

Shouldíve upgraded Nashville-Chattanooga before Nashville-KY. Pretty sure the only long-distance traffic on I-24 northwest of Nashville are St Louis bound (and points beyond StL) traffic. Everyone else turns from I-24 WB to I-65 NB at Nashville.
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ilpt4u

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Re: I-24 in TN
« Reply #3 on: January 16, 2022, 12:10:54 PM »

Shouldíve upgraded Nashville-Chattanooga before Nashville-KY. Pretty sure the only long-distance traffic on I-24 northwest of Nashville are St Louis bound (and points beyond StL) traffic. Everyone else turns from I-24 WB to I-65 NB at Nashville.
Some Chicagoland and Wisconsin traffic (passenger and commercial) prefers the I-24/I-57 routing over the I-65 routing. It is a little longer, but it avoids Louisville and Indianapolis.

Another option that uses I-24 NW out of Nashville is the US 41 routing up to Chicagoland, also, which breaks off at the Pennyrile Pkwy. Shorter, but US 41 isnít a full freeway in Henderson and Indiana
« Last Edit: January 16, 2022, 12:13:09 PM by ilpt4u »
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Flint1979

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Re: I-24 in TN
« Reply #4 on: January 16, 2022, 02:36:47 PM »

Shouldíve upgraded Nashville-Chattanooga before Nashville-KY. Pretty sure the only long-distance traffic on I-24 northwest of Nashville are St Louis bound (and points beyond StL) traffic. Everyone else turns from I-24 WB to I-65 NB at Nashville.
Some Chicagoland and Wisconsin traffic (passenger and commercial) prefers the I-24/I-57 routing over the I-65 routing. It is a little longer, but it avoids Louisville and Indianapolis.

Another option that uses I-24 NW out of Nashville is the US 41 routing up to Chicagoland, also, which breaks off at the Pennyrile Pkwy. Shorter, but US 41 isnít a full freeway in Henderson and Indiana
Well it says it takes the same amount of time to take I-24 to US-41 to IN-63 back to US-41 than it does to take I-57 to I-24 coming from Chicago to Nashville. Both are about 22 minutes longer than taking I-65. But taking I-24 to US-41 to IN-63 and back to US-41 cuts off about 70 miles vs. taking I-57 to I-24 for the same amount of time.
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froggie

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Re: I-24 in TN
« Reply #5 on: January 17, 2022, 12:36:53 AM »

Not convinced that Nashville-Chattanooga needs upgrading.  There are significant traffic dropoffs on 24 at both Murphreesboro and I-59.
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SkyPesos

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Re: I-24 in TN
« Reply #6 on: January 17, 2022, 12:52:21 AM »

Looking at AADT maps, I-24 between Murfreesboro and I-59 average between 30k-40k AADT, and between I-65 and the KY border is 50k-60k. To me, it's a bit surprising that the latter have higher traffic, maybe it's because of a high number of commuter trips between Nashville and Clarksville?

For comparison, I-71 between Columbus and Cleveland is 6 laned, with an AADT between 40k-50k in rural areas.
« Last Edit: January 17, 2022, 09:53:16 PM by SkyPesos »
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I-39

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Re: I-24 in TN
« Reply #7 on: January 20, 2022, 02:28:32 PM »

Definitely will need to be six lanes at some point, but I-65 between Goodlettsville and the state line is more urgently needed. Iíd also say the small stretch of I-65 between I-840 and SR 396 is needed before I-24.
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wriddle082

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Re: I-24 in TN
« Reply #8 on: January 20, 2022, 03:07:57 PM »

Not to nitpick too much, but I think this thread belongs in the Southeast region.  The Mid-South region covers West Tennessee only, which roughly translates to west of the Tennessee River or Area Codes 731 and 901.  But trust me, I do like this discussion, because I grew up 3.5 miles from I-24 in the Cane Ridge area of Davidson County, TN.
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edwaleni

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Re: I-24 in TN
« Reply #9 on: January 20, 2022, 04:28:36 PM »

Not convinced that Nashville-Chattanooga needs upgrading.  There are significant traffic dropoffs on 24 at both Murphreesboro and I-59.

I can see some upgrades in the safety and geometry spaces in a couple of areas, specifically around Monteagle back to Chattanooga.

It has been awhile since I traversed this route, but I never saw any traffic issues beyond Chattanooga and not until Murfreesboro in the run to Nashville.

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wriddle082

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Re: I-24 in TN
« Reply #10 on: Today at 02:18:25 AM »

Not convinced that Nashville-Chattanooga needs upgrading.  There are significant traffic dropoffs on 24 at both Murphreesboro and I-59.

I can see some upgrades in the safety and geometry spaces in a couple of areas, specifically around Monteagle back to Chattanooga.

It has been awhile since I traversed this route, but I never saw any traffic issues beyond Chattanooga and not until Murfreesboro in the run to Nashville.



East of Monteagle, between Jasper and the GA line, I have experienced issues that have caused me to detour over to US 41/64/72 and/or TN 134/GA 299.  The worst stretch with geometric deficiencies that you speak of, outside the Monteagle grade, is from TN 156 to the GA line, and I think wrecks happen frequently as a result.

And of course itís absolutely ridiculous that TDOT has yet to even start on widening I-24 from the other GA state line crossing to US 27 in Chattanooga.  Iím sure that once TN gets started, GA would follow suit very shortly thereafter and widen the rest of it to I-59.  This should have been done at least 20 years ago!
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