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City of Frisco Question and Answer Board » Frisco Q & A » Turning Lanes off Preston onto Rolater & Stonebrook » Right Turn@EB Panther Creek onto Dallas Parkway SB « Previous Next »

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New member
Username: Suvlover

Post Number: 10
Registered: 08-2003
Posted on Friday, August 28, 2009 - 12:49 pm:   

Panther Creek Eastbound at Dallas Parkway Southbound only has one right turn lane. This lane backs up regularly every morning. The road ends just past Dallas Parkway, so almost all traffic turns right at this location. Is there any possibility this can be re-engineered to a double right turn lane?

Joel Fitts, Senior Traffic Engineer
Username: Joel_fitts

Post Number: 57
Registered: 03-2008
Posted on Wednesday, September 16, 2009 - 10:37 am:   


In order for two lanes to turn right, there need to be three lanes on the roadway they are turning onto. This allows for the different turn radius capabilities of various vehicles (such as trucks), as well as giving drivers more leeway in making the manuever adjacent to another car turning right at the same time. (For example, the dual right-turn at eastbound Main Street turns into three lanes on Dallas Parkway and is striped so that the right-most lane on Main Street can turn into the second lane of Dallas Parkway and the other right-turn lane on Main Street must turn into the third lane of Dallas Parkway.)

Currently, southbound Dallas Parkway only has two departure lanes and so it is not possible to have two lanes turn right off of eastbound Panther Creek. There are plans to add a third frontage road lane in the future and so a dual right-turn lane from Panther Creek is possible at that time.

In the meantime, we are in the process of monitoring traffic signal operations all over the City to see if any signal timing adjustments need to be made after traffic levels increased with the start of school. We will monitor the timing of the traffic signal at Panther Creek & Dallas Parkway and see if any adjustments can be made to maximize the green time for the right-turn movement in the morning.

Joel Fitts
Senior Traffic Engineer

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