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New member
Username: Stuck_in_traffic

Post Number: 1
Registered: 09-2010
Posted on Tuesday, September 28, 2010 - 09:14 pm:   

Is anything being done about the light timing at the Lebanon/Legacy intersection? (In particular, eastbound Lebanon traffic heading towards the tollway.)
Starting around 7:15a every morning, traffic piles up waiting to turn right because of the "no right on red" being enforced at the intersection. I understand this is in place for safety because you can't see Lebanon traffic coming up the hill, but the long backups is causing traffic to re-route through the parking lots. Cars cut through Sonic, Chase, CVS, and whatever parking lot they can to avoid the intersection. I just recently moved to this part of Frisco and was unaware of this "shortcut" and was almost in an accident when I tried to pull into the CVS as an actual customer. Late last week, I saw another near accident as cars sped and swerved around a car trying to back out of parking spot. Something seriously needs to be done about this intersection. Putting one safety measure in place, has now caused another hazard.

It was my understanding that cutting through parking lots was illegal. If that's true, I bet you could park the entire police force in the area, and by 7:30 they would all have a violator with plenty more coming in line behind them. However, if this is not illegal, or not going to be enforced, please let me know, as I have wanted to use this "shortcut" a time or two myself when I was running late for work and traffic was backed up as usual.

Adam Henderson, Sergeant
Username: Adam

Post Number: 26
Registered: 09-2009
Posted on Wednesday, September 29, 2010 - 01:09 pm:   

It is illegal to cut through a private parking lot, as you described. I will forward this information on to our Traffic Unit in an effort to help remedy the issue of motorists cutting through parking lots to avoid a traffic light.

Adam J. Henderson, Sergeant
Public Information Officer

Joel Fitts, Senior Traffic Engineer
Username: Joel_fitts

Post Number: 100
Registered: 03-2008
Posted on Thursday, October 07, 2010 - 12:26 am:   

Ever since school started, multiple adjustments have been made to the timing at this signal and it has been monitored during the peak periods from our traffic management center. Give the heavy volumes coming from just about every direction, it is difficult to make any more adjustments to the timings without seriously impacting the other approaches. (More time given to one approach means time taken away from the others.) We have proportioned out the amount of time each approach gets based on the traffic volumes for each approach. We will continue to monitor this intersection and make any timing adjustments necessary to help balance out congestion levels on each approach.

One saving grace at this location is the right turn lane going eastbound and the fact that we can give it a green arrow at the same time that the north and southbound left turn lanes have green arrows in addition to the time it gets with the eastbound through traffic. This equates to the eastbound right-turn being green for almost half the total time at the intersection.

As a long term solution to the traffic congestion at this intersetion, we are about to start a construction project that will widen the intersection so each approach will have an additional through lane and an additional left-turn lane. Once complete, all of the approaches will be widened so there will be 2 left turn lanes, 3 through lanes and a right turn lane (except the northbound approach will not have a right turn lane due to utility conflicts). Once this construction is complete, the intersection will be able to handle more traffic and it will be easier to optimize the traffic signal timing. This project is getting underway as we speak. Unfortunately, traffic congestion will get worse before it gets better while this area is under construction. Residents may need to find alternate routes (or commute at alternate times) during the upcoming construction.

To be alerted to each lane closure or traffic switch at the intersection before it happens, sign up on the City website to receive our email press releases. Construction updates for any and all roadway projects in the City are announced through this system. Use the following link, enter your email address and then select "Communications and Community Affairs" and then select "Press Releases".


Joel Fitts & Sean Merrell
Senior Traffic Engineers

Christopher Reemts
New member
Username: Tanker64

Post Number: 18
Registered: 01-2009
Posted on Thursday, October 07, 2010 - 08:00 am:   

Two questions: 1) Do these projects really have to happen at the same time? 2) It sounds like the plan is for 3 lanes on Lebanon through the intersection with 3 turn lanes - 6 lanes wide. Lebanon was just widened to 2 lanes. Is Lebanon being widened to 3 lanes now? Or, is the plan to go from 2 lanes on the road to 3 (6) at the intersection, and then fight back into 2 lanes for the road again?


(Message edited by admin on October 11, 2010)

Jason Brodigan, Sr. Civil Engineer
Username: Jason_brodigan

Post Number: 58
Registered: 06-2008
Posted on Monday, October 11, 2010 - 04:32 pm:   

It was not our intent to have Legacy/Lebanon and FM 423 under construction at the same time. Please note that FM 423 is a state construction project and we have very little control over their construction schedule. FM 423 was expected to begin about a year ago and is just now getting started. We don't know what delays they could face and did not want to wait out the expected two year construction time before fixing a critical intersection in Frisco.

We tried to time our project at Legacy and Lebanon to minimize disruption during the school year. We knew we were going to impact one school year; however, barring a very rainy winter or spring and unforseen problems, we are expecting to be complete prior to the beginning of the 2011 school year.

Lebanon will not be widened to three lanes beyond the intersection as a part of this project.

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