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Author Topic: Oklahoma's First DDI To Open Soon  (Read 543 times)

rte66man

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Oklahoma's First DDI To Open Soon
« on: September 23, 2020, 10:25:40 PM »

from ODOT:
https://www.ok.gov/odot/I-40_and_SH-6_Diverging_Diamond_Interchange.html

Quote
Elk City's Diverging Diamond Interchange at I-40 & SH-6

Oklahoma's first DDI

I-40 and SH-6 Interchange in Elk City now OPEN in final DDI configuration marking a state first
Drivers should be aware of the new traffic configuration at the I-40 and SH-6/Main St. interchange in Elk City with the opening of the state's first Diverging Diamond Interchange:

SH-6 traffic is now in its final DDI configuration. Drivers should use caution as they enter the reconfigured interchange for the first few times.
  • Motorists need to pay additional attention to all traffic control devices, including the new traffic signals, pavement markings and signage as well as follow the speed limit.
  • This area remains an active construction zone through winter 2020. Motorists are urged to use caution as traffic adjusts to the new configuration.
  • Drivers on I-40 lanes and ramps as well as SH-6 lanes may experience intermittent closures as final work continues. The project is set to complete in winter 2020.
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Bobby5280

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Re: Oklahoma's First DDI To Open Soon
« Reply #1 on: September 25, 2020, 12:18:48 AM »

Didn't ODOT have another DDI planned for the Covell Road interchange with I-35 in Edmond? If so, what happened with that project?
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Plutonic Panda

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Re: Oklahoma's First DDI To Open Soon
« Reply #2 on: September 25, 2020, 12:59:20 AM »

Didn't ODOT have another DDI planned for the Covell Road interchange with I-35 in Edmond? If so, what happened with that project?
Waterloo. It was supposed to be completed by now but it was pushed back. I think construction starts in 2023/24.
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Bobby5280

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Re: Oklahoma's First DDI To Open Soon
« Reply #3 on: September 25, 2020, 12:27:25 PM »

I figured ODOT would hit some of the arguably more busy intersections with I-35 farther South in Edmond. With some of the new things going up near the intersection of Covell Road and I-35 (ShowBiz Cinemas, a few restaurants, etc) they might end up having to convert that interchange into a SPUI.
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rte66man

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Re: Oklahoma's First DDI To Open Soon
« Reply #4 on: September 25, 2020, 02:10:10 PM »

I figured ODOT would hit some of the arguably more busy intersections with I-35 farther South in Edmond. With some of the new things going up near the intersection of Covell Road and I-35 (ShowBiz Cinemas, a few restaurants, etc) they might end up having to convert that interchange into a SPUI.

Not likely as that intersection was just rebuilt about 10 years ago. There are plans to do a full interchange at Danforth but the best candidate for a DDI is 2nd Street.  That interchange is brutal for local traffic.

Also, Waterloo Road is scheduled for Utilities in FFY 2022 and construction in FFY2023
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Plutonic Panda

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Re: Oklahoma's First DDI To Open Soon
« Reply #5 on: September 25, 2020, 02:36:53 PM »

With second street I really hope they allow the service roads to go under the street and connect via ramps.
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Bobby5280

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Re: Oklahoma's First DDI To Open Soon
« Reply #6 on: September 25, 2020, 03:07:10 PM »

2nd Street is downright terrible at I-35. Thru traffic on 2nd Street has to endure FOUR traffic signals stacked within that freeway exit. That just sucks. That interchange should be converted into a SPUI with the service roads running underneath 2nd Street. Give the service roads different outlets to get to 2nd Street both North and South of the interchange. 4 sets of traffic signals could be reduced to a single light in the middle of the bridge over I-35.

It reminds me of the traffic clusterf*** we have down here in Lawton where Gore Blvd crosses I-44. Traffic backs up there all the time now on Gore Blvd itself. During the morning and evening rushes the I-44 WB exit ramp to Gore Blvd has traffic backing up clear from the traffic signal onto the main lanes of I-44.
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Plutonic Panda

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Re: Oklahoma's First DDI To Open Soon
« Reply #7 on: September 25, 2020, 03:14:20 PM »

I had to go a Lawton a few months ago to recover a stolen car and the route to get the car and back to I-44 took me down Lee Blvd. I have never encountered a road that had terrible traffic lights like that. I canít say I didnít skip a few lights where there were no cars in sight on my second go.
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Bobby5280

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Re: Oklahoma's First DDI To Open Soon
« Reply #8 on: September 27, 2020, 07:03:15 PM »

Lee Blvd has some annoying traffic lights for sure. At least there aren't a bunch of traffic signals at the I-44 interchange. ODOT could install some freaking street lights there however; it's awful dark there at night. I hate driving on Gore Blvd even more, especially around I-44. Sometimes I'll drive up to Rogers Lane and take that around when I need to go to the East side of Lawton.
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MCRoads

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Re: Oklahoma's First DDI To Open Soon
« Reply #9 on: October 18, 2020, 02:17:21 AM »

My biggest pipe dream is that they would fix the clusterfuck at I-35 and 19th St in Moore, but they only retrofitted the interchange 10 years ago, and just added a double turn to NB 35 about 3 tears ago, so they seem to be determined to keep the road the way it is, dispute the fact that 5 traffic lights in succession is a terrible idea, especially in a main artery.
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Bobby5280

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Re: Oklahoma's First DDI To Open Soon
« Reply #10 on: October 18, 2020, 01:44:28 PM »

Yeah 19th Street in Moore is pretty terrible. The exit ramps on the South side of the interchange are weird. Five traffic signals along 19th Street in close succession is a real slog. On top of that there is ZERO accommodation for pedestrians along 19th Street through the interchange. Anyone on foot or on a bicycle would have to walk a mile down to the new 34th Street bridge to get across I-35. The 4th Street exit had no sidewalks on its bridge over I-35 either.
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KCRoadFan

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Re: Oklahoma's First DDI To Open Soon
« Reply #11 on: October 18, 2020, 07:41:38 PM »

I figured ODOT would hit some of the arguably more busy intersections with I-35 farther South in Edmond. With some of the new things going up near the intersection of Covell Road and I-35 (ShowBiz Cinemas, a few restaurants, etc) they might end up having to convert that interchange into a SPUI.

Not likely as that intersection was just rebuilt about 10 years ago. There are plans to do a full interchange at Danforth but the best candidate for a DDI is 2nd Street.  That interchange is brutal for local traffic.

Also, Waterloo Road is scheduled for Utilities in FFY 2022 and construction in FFY2023

And for some reason, I had thought that the exit at East 2nd Street was already a DDI. But then again, I donít live in Oklahoma.

I do know that MoDOT absolutely *loves* DDIís - and there are plenty throughout the KC Metro (mostly on the Missouri side, but some in Kansas as well). Donít know about Kansas outside the metro, but I think there may be at least one in Wichita. (Anyone from there who can verify?)
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skluth

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Re: Oklahoma's First DDI To Open Soon
« Reply #12 on: October 19, 2020, 01:39:08 AM »

I figured ODOT would hit some of the arguably more busy intersections with I-35 farther South in Edmond. With some of the new things going up near the intersection of Covell Road and I-35 (ShowBiz Cinemas, a few restaurants, etc) they might end up having to convert that interchange into a SPUI.

Not likely as that intersection was just rebuilt about 10 years ago. There are plans to do a full interchange at Danforth but the best candidate for a DDI is 2nd Street.  That interchange is brutal for local traffic.

Also, Waterloo Road is scheduled for Utilities in FFY 2022 and construction in FFY2023

And for some reason, I had thought that the exit at East 2nd Street was already a DDI. But then again, I donít live in Oklahoma.

I do know that MoDOT absolutely *loves* DDIís - and there are plenty throughout the KC Metro (mostly on the Missouri side, but some in Kansas as well). Donít know about Kansas outside the metro, but I think there may be at least one in Wichita. (Anyone from there who can verify?)

Testify to MODOT's loving DDIs. My uncle lived in Maryland Heights and I loved the DDI at I-270/ Dorsett Rd near his home. It was much better than the previous diamond. MODOT also loved SPUIs like the one near my former home at I-55/Lindbergh. I believe all busier diamonds should be either SPUIs or DDIs, especially in built-up areas if there isn't much room or budget for expansion.
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