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Eldorado and HillcrestSriram Iyer08-17-11  10:28 am
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Daniel Ford
Moderator
Username: Daniel_ford

Post Number: 110
Registered: 06-2010
Posted on Wednesday, August 17, 2011 - 03:21 pm:   

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Joel Fitts, Senior Traffic Engineer
Moderator
Username: Joel_fitts

Post Number: 120
Registered: 03-2008
Posted on Wednesday, August 17, 2011 - 03:36 pm:   

Message from Sriram Iyer reposted here:

I have noticed that they have started construction of traffic lights at Eldorado and Hillcrest.

One of the things I noticed was that while one of the lights is being setup with the new Metal Pole, the other ones are being hung on cables. Why the discrepancy?

Also, while I understand the need for a traffic light at this intersection, the traffic at off-peak hours does not justify a light. Can this light be converted to an all way stop just like it is now during off-peak hours? Or at least until Eldorado is widened to 4 or 6 lanes.

- Sriram Iyer
 

Joel Fitts, Senior Traffic Engineer
Moderator
Username: Joel_fitts

Post Number: 121
Registered: 03-2008
Posted on Wednesday, August 17, 2011 - 04:01 pm:   

Sriram,

Eldorado Parkway will be widened in the future to the east, and one day Hillcrest will be extended to the south. Therefore, there are several corners of this intersection that will see significant changes when those construction projects take place. Therefore, we install temporary traffic signals on wood poles with span wires so that we do not waste money installing permanent signals that would have to be taken down during construction and replaced with different sized poles and mast arms. In addition, having traffic signals on span wires allows us to easily shift the signal heads during construction when one lane of traffic might be temporarily shifted to another location. (The one permanent traffic signal pole you see is located on the corner of the intersection that will not change when the road construction starts.)

With an all-way stop, every single car has to stop. Once a traffic signal is in operation, fewer people have to stop which decreases delay and reduces fuel consumption and air pollution. While it is true that a few cars may have to wait a little longer to get their green light, there will be less total delay and fuel consumption when considering the total amount of traffic traveling through the intersection. In addition, our traffic signals have video detection and know when cars are waiting on each approach. During the off peak hours, the traffic signal will be programmed to give more green time to the busier street but to also switch over to the other street as quickly as possible once it detects a car there. This will ensure maximum efficiency.

Joel Fitts
Senior Traffic Engineer
 

Jim Page
New member
Username: Hawaiijim

Post Number: 10
Registered: 05-2010
Posted on Thursday, August 18, 2011 - 02:47 pm:   

You mention that Hillcrest will be expanded south; yet, I remember reading something from the owners of the ranch that they have no intention of selling off....so, how's that going to work?
 

Daniel Ford
Moderator
Username: Daniel_ford

Post Number: 112
Registered: 06-2010
Posted on Monday, August 22, 2011 - 02:08 pm:   

Jim,

The owner has often said in the past that he had no plans to develop any time soon, but he did say that development would occur in the future. Hillcrest will extend south at some point, but we don't know exactly when. Coincidentally, the owner recently announced that he plans to develop his land after Main Street (FM 3537) is widened by TxDOT (in about two years). You can find an article about it on the Dallas Morning News website.

Joel Fitts
Senior Traffic Engineer

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