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Message

re: I-10 flyover westbound ramp to MSY at Loyola Dr. to open this Friday

Posted on 9/26/23 at 5:09 pm to
Posted by fightin tigers
Downtown Prairieville
Member since Mar 2008
74470 posts
Posted on 9/26/23 at 5:09 pm to
Now need to widen I-10 from Loyola to Vets.

Traffic nightmare there.
Posted by Napoleon
Kenna
Member since Dec 2007
70927 posts
Posted on 9/26/23 at 5:09 pm to
I take that exit multiple times a day. I'm just glad an ending is in sight. What's crazy is construction on the airport started in 2015 Ave it took this long to build a road to it
Posted by fightin tigers
Downtown Prairieville
Member since Mar 2008
74470 posts
Posted on 9/26/23 at 5:11 pm to
Airport was paid for by itself. The state needed funds for this flyover.
Posted by LSUFanHouston
NOLA
Member since Jul 2009
39197 posts
Posted on 9/26/23 at 5:19 pm to
quote:

predict about 15 accidents by day end with the diverging diamond interchange


FIFY

Plus untold number of drivers who will stop, look around, and try to back up
Posted by Boss
Member since Dec 2007
1646 posts
Posted on 9/26/23 at 5:27 pm to
It’s really thought to frick up and go the wrong way in a diverging diamond. They have had them in the Atlanta area for 10 years and it really cuts down on the traffic.
Posted by Logician
Grinning Colonizer
Member since Jul 2013
4883 posts
Posted on 9/26/23 at 5:28 pm to
DOTD is in charge of only the interstate--not Loyola Drive and not the airport.

The airport was planned and started construction with little to no coordination with the actual owners of the roadways that would connect to it.

This has very little to do with any ineptness on DOTD's part.
Posted by fightin tigers
Downtown Prairieville
Member since Mar 2008
74470 posts
Posted on 9/26/23 at 5:32 pm to
quote:

really thought to frick up and go the wrong way in a diverging diamond


It is. They move pretty smooth and unless you are willing to jump curbs you aren't going to feel out of place.
Posted by wasteland
City of peace
Member since Apr 2011
5907 posts
Posted on 9/26/23 at 5:39 pm to
quote:

unless you are willing to jump curbs



RIP wife’s car
Posted by BRich
Old Metairie
Member since Aug 2017
2531 posts
Posted on 9/26/23 at 5:40 pm to
quote:

If I have to watch another Impastato commercial about his “leadership” on the fedgov forgetting to put the on ramps to the airport….



The "fedgov" does not design and build or even maintain highways, and they did NOT "forget" to put these ramps on the airport.

They DO help fund construction based on established formulas and have some oversight and approval powers over federal numbered highways (interstates and US Highways like US 90, 61 and 51), but ALL state DOTs (including LADOTD) are responsible for initiation of construction, ongoing maintenance, and improvements such as widening and new ramps.
Posted by BRich
Old Metairie
Member since Aug 2017
2531 posts
Posted on 9/26/23 at 5:52 pm to
quote:

Now need to widen I-10 from Loyola to Vets.

Traffic nightmare there.


Agreed, and while Loyola to Williams portion is being done pretty much in conjunction with the flyover ramps (thus the noise walls in that segment), here is the problem with Williams to the Vets crossover segment:

In beginning preliminary design, engineers found out that they can't use the existing Vets overpasses and widen them (as was done at Oaklawn, Bonnabel and Transcontinental), because if they are widened, the outside edges will be too low and won't meet clearance standards for Vets Blvd. traffic. This is because all roadways usually have a "crown" with the center of the roadway being higher than the edges so rain water flows off.

This is exacerbated because the bridge structure is not just an overpass over Vets, but also is extended to the west and crosses the Vets canal. it also has a lot of curves for a bridge structure, not a straight shot.

Their solution-- COMPLETELY REMOVE AND REBUILD both bridge structures, east bound and west bound.

The money originally slated for that Vets to Williams segment of the widening wasn't near enough to do this, so LADOTD has just forgotten about it and put it on their backlog.

Why they can't lower Vets by a foot or two or three is beyond me, but that's LADOTD for you.
Posted by mikelbr
Baton Rouge
Member since Apr 2008
48618 posts
Posted on 9/26/23 at 7:03 pm to
quote:

Now need to widen I-10 from Loyola to Vets.

Traffic nightmare there.

I wake up an hour ealier than I wanna just to get to work near the Causeway by 630 because 10-East is a cluster frick by 7am.
Posted by Martini
Near Athens
Member since Mar 2005
49230 posts
Posted on 9/26/23 at 7:21 pm to
quote:

Compared the Baton Rouge loop, the MSY flyovers are a miracle in government competence.


Because the flyovers took the money for the loop.
Posted by OceanTiger83
Member since Jul 2023
192 posts
Posted on 9/26/23 at 7:28 pm to
quote:

Thank Christ. Going to MSY has been the bane of my existence for a long time now.

That Diverging Diamond is going to cause some issues for people I bet though




Here in Florida they have a fair amount of them. They tend to work well as it keeps traffic moving and eliminates having to wait at a light to turn left to get into an on ramp.

I live in the Orlando area and they just completed one here (I-4 at Exit 58 between Orlando and Tampa). They are already working on a second diverging diamond interchange and have two more diverging diamond interchanges in the planning stages. I also know they have several diverging diamond interchanges down in the Bradenton/Sarasota area.

With the way Louisiana drivers are though I expect it to be a complete clusterf*ck.
Posted by notiger1997
Metairie
Member since May 2009
60746 posts
Posted on 9/26/23 at 7:29 pm to
quote:

If I have to watch another Impastato commercial about his “leadership”


What is this dweeb trying to claim that he did that was so outstanding?
Posted by Delacroix22
Member since Aug 2013
4423 posts
Posted on 9/26/23 at 7:31 pm to
Wtf is a diverging diamond going to have to look this up
Posted by fightin tigers
Downtown Prairieville
Member since Mar 2008
74470 posts
Posted on 9/26/23 at 7:33 pm to
A form of continous flow intersection.

Lanes basically swap sides, reduce crossover points, minimize traffic sitting still.

Looks more confusing explaining than it is going through.
Posted by Martini
Near Athens
Member since Mar 2005
49230 posts
Posted on 9/26/23 at 7:33 pm to
The Pecue Lane intersection in BR will be a diverging diamond.
Posted by OceanTiger83
Member since Jul 2023
192 posts
Posted on 9/26/23 at 7:34 pm to
quote:

It’s really thought to frick up and go the wrong way in a diverging diamond. They have had them in the Atlanta area for 10 years and it really cuts down on the traffic.


When I went through the first diverging diamond interchange here in Orlando it was definitely weird the first time. But honestly it wasn't as bad as I thought it would be. If setup correctly you just follow traffic and it's really hard to frick up. Like you mentioned you almost have to intentionally try to go the wrong way.
Posted by LSUFanHouston
NOLA
Member since Jul 2009
39197 posts
Posted on 9/26/23 at 7:35 pm to
quote:

It’s really thought to frick up and go the wrong way in a diverging diamond. They have had them in the Atlanta area for 10 years and it really cuts down on the traffic.


NOLA drivers accept your challenge…

Yes it’s a good design concept but we are going to screw this up
Posted by Oizers
Member since Nov 2009
2678 posts
Posted on 9/26/23 at 7:38 pm to
Baton Rouge has an airport. No need to cater to those ungrateful heathens.
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