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Tennessee

Started by FLRoads, January 20, 2009, 11:51:22 PM

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I-39

#750
August 28, 2025, 12:07:19 PM  
Glad to see some attention is finally being given to the I-65 and State Route 96 interchange in Franklin. This interchange is way beyond functionally obsolete and has been a significant issue for more than a decade. Traffic flow through the area has gotten significantly worse in the last 5 years. The stakes are very high considering the main county hospital is right there.

The worst part though is this is the first time someone is publicly acknowledging it.

https://fox17.com/news/growing-nashville/franklin-leaders-urge-redesign-of-dangerous-i-65-interchange-i-65-and-murfreesboro-road-nashville-news-google-trends

I-55

#751
August 28, 2025, 03:44:32 PM  
Quote from: I-39 on August 28, 2025, 12:07:19 PMGlad to see some attention is finally being given to the I-65 and State Route 96 interchange in Franklin. This interchange is way beyond functionally obsolete and has been a significant issue for more than a decade. Traffic flow through the area has gotten significantly worse in the last 5 years. The stakes are very high considering the main county hospital is right there.

The worst part though is this is the first time someone is publicly acknowledging it.

https://fox17.com/news/growing-nashville/franklin-leaders-urge-redesign-of-dangerous-i-65-interchange-i-65-and-murfreesboro-road-nashville-news-google-trends


Might turn into of the larger DDI projects we've seen. Not enough room to add loop ramps, too much volume for a roundabout (not to mention the fact that Tennessee is allergic to roundabouts), and over 20k vehicles on the SB off/on ramps each. Could see 5-6 lanes in the eastbound direction on the bridge. Reminds me of the interchange at I-75 and FL-56 just north of I-275 in the Tampa area.
Purdue Civil Engineering '24
Quote from: I-55 on April 13, 2025, 09:39:41 PMThe correct question is "if ARDOT hasn't signed it, why does Google show it?" and the answer as usual is "because Google Maps signs stuff incorrectly all the time"

The Ghostbuster

#752
August 29, 2025, 11:28:02 AM  
A DDI looks like it would be a good fit at this location. Would a SPUI work here as well?

jdunlop

#753
August 29, 2025, 10:06:59 PM  
Quote from: The Ghostbuster on August 29, 2025, 11:28:02 AMA DDI looks like it would be a good fit at this location. Would a SPUI work here as well?

SPUIs and DDIs have similar operational benefits.  But if both work, there's typically little to recommend a SPUI, given the much higher costs (~'three times the construction cost.).

Definitely looks like a good DDI candidate.
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