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Anyone Drive Don Tyson Parkway Often?

Posted on 7/21/16 at 8:18 pm
Posted by Arkapigdiesel
Arkansas
Member since Jun 2009
13154 posts
Posted on 7/21/16 at 8:18 pm
Why in the damn hell are there traffic circles on each end, but none in the middle? I despise red lights. I hope to hayzeus they put traffic circles down the entire length of that sapsucker sometime in the near future.

Posted by CtotheVrzrbck
WeWaCo
Member since Dec 2007
37538 posts
Posted on 7/21/16 at 8:51 pm to
lol just did about an hour ago. I'm glad they built it. Unlike Fayetteville where there's not a single E/W street that goes through a town of 80,000.
This post was edited on 7/21/16 at 8:52 pm
Posted by Tanny Bogus
Fayetteville, Arkansas
Member since Jan 2011
177 posts
Posted on 7/23/16 at 10:48 am to
15th, MLK, Weddington/North/Mission,Township, Joyce?
The topography of Fayetteville isn't exactly conducive to a grid in many places but I like that because it is more interesting. If I am going to the north side of town I take mission and Old Wire instead of College.
Posted by Porker Face
Midnight
Member since Feb 2012
15318 posts
Posted on 7/23/16 at 8:01 pm to
Do you have some turning traffic count data to back up your choice of roundabout vs signal?

It's an arterial

And using them for traffic calming would be a damn disaster
Posted by wmr
North of Dickson, South of Herman's
Member since Mar 2009
32518 posts
Posted on 7/23/16 at 9:29 pm to
I think roundabouts would make more sense at a couple of the intersections, but it's kind of hilly at Carly and at 40th, so a roudabout would be pretty expensive. The ones over by Arvest Ballpark are ok.

There are a few places I think roundabouts would work better in Fayetteville, but mainly in flatter areas where one street dominates the other. The intersections along the Rupple Rd extension are all going to be roundabouts.

Rupple Rd video from May
This post was edited on 7/23/16 at 9:30 pm
Posted by Porker Face
Midnight
Member since Feb 2012
15318 posts
Posted on 7/23/16 at 9:33 pm to
They are prominent when there is a strong turning movement

Ie at DTP just south of the ballpark. No one continues on that road straight south after ballgames
Posted by Porker Face
Midnight
Member since Feb 2012
15318 posts
Posted on 7/23/16 at 9:34 pm to
90% of them are politically motivated now just to show how urbanite and progressive a city's planning department is
Posted by wmr
North of Dickson, South of Herman's
Member since Mar 2009
32518 posts
Posted on 7/23/16 at 9:44 pm to
I disagree with both points. Roundabouts are most effective in replacing 4-way stops in medium traffic areas. The one at Washington Regional saves so much time, particularly at rush hour.

They have their proper places. I think we'll see more and more of them because they are more efficient solutions in certain cases, and also partially because there is a minor "cool" factor in using them in planning. Most of that "cool factor" comes from them being more efficient, safer, and pretty low maintenance when they're built, though.
Posted by Porker Face
Midnight
Member since Feb 2012
15318 posts
Posted on 7/23/16 at 11:11 pm to
You are certainly free to disagree, but the Federal Highway Administration's NCHRP Report 672, as in the engineering guidance followed by all roadway designers, is the national standard on this.

quote:

Pg 2-12

Disadvantages

Equal priority for all approaches can reduce the progression for high volume approaches.


Principal arterials like DTP are high volume roads. A traditional signalization intersection between DTP and a minor arterial, DTP would have a green light unless there were cars in queue on a side street

If you force all arterial traffic to slow through a roundabout, you are killing efficiency for no real benefit because there is still no real traffic on the side street

Roundabouts work best where roads of the same functional class intersect, because there are a lot of turning movements at those junctions, which a roundabout can sort out better than any phasing plan on earth
Posted by wmr
North of Dickson, South of Herman's
Member since Mar 2009
32518 posts
Posted on 7/23/16 at 11:24 pm to
It says it "can", under "Disadvantages". Swell. Now post what it says under "Advantages".

If a major street's volume is high enough, it will be inserting traffic into the roundabout consistently and preventing it from being overwhelmed by the lower volume street.

I've driven in roundabouts in Fayetteville, Springdale, Rogers, Conway, and other parts of the country and I've never encountered anything other than a smooth experience and the freedom of not having to deal with a traffic signal.

They work wonders when applied correctly. The stop-and-go at Washington Regional used to be maddening. Now that intersection (which I drive at least 5 times a week) is a breeze, and one of the most predictable parts of my commute.
Posted by Porker Face
Midnight
Member since Feb 2012
15318 posts
Posted on 7/24/16 at 9:03 am to
I think the one at Washington Regional works well too. Most are well done around here, but putting one at DTP/Carley, DTP/40th or DTP/Turner would've been a mistake

They could probably use one at DTP/Thompson (that is in my top 5 worst intersections in NWA) but there is no way they would make that big of change at this early juncture of roundabouts in Arkansas

The ones on Rupple are 100% for use in brochures
Posted by Arkapigdiesel
Arkansas
Member since Jun 2009
13154 posts
Posted on 7/24/16 at 9:38 am to
quote:

I've driven in roundabouts in Fayetteville, Springdale, Rogers, Conway, and other parts of the country and I've never encountered anything other than a smooth experience and the freedom of not having to deal with a traffic signal.

Sums up my experiences also. Harkrider in Conway is now a pleasure to drive, as compared to the red light hell that it once was.
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