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Posted on Thursday, May 30, 2002 - 05:33 pm:   

Now that all 4 lanes of Hillcrest are open, can we expect for the speed limit to be increased?

Brian Moen, Traffic Engineer (Brian)
Posted on Tuesday, June 04, 2002 - 04:26 pm:   

Speed studies will be conducted once final acceptance for Hillcrest has been given. We are also working on a couple of other upcoming construction projects along Hillcrest near the Plantation neighborhood. We may wait to conduct the studies until that work is completed.

Brian Moen

Sam Davis
Posted on Monday, June 10, 2002 - 01:41 am:   

I wonder if you could also consider removing some of the stop signs on Hillcrest? It's really a long trek from College Pkwy to 720 when you have to stop every 500 feet for a stop sign. Some of them seem so unnecessary, especially the one at Preston Vineyard. If the traffic requires it for certain times of the day because of school, as an example, perhaps it could be replaced with a traffic light that blinks yellow during non-peak hours. I think there is another one around Canoe or Huntington that seems somewhat unnecessary.

Thanks for the consideration,
Sam Davis

Brian Moen, Traffic Engineer (Brian)
Posted on Wednesday, June 19, 2002 - 04:38 pm:   


Thanks for the question.

The stop signs along Hillcrest are part of a growing process. I know most of us would like to skip the stop signs and go straight to the traffic signal. Fortunately or unfortunately, depending how you look at it, the volume requirements for traffic signals are much higher than the warrant criteria for stop signs.

Hillcrest is in a state similar to Ohio in Plano at this time. This roadway has a mix of all-way stops and traffic signals. The same could be said about McDermott, Independence and other arterials in Plano, Allen, and McKinney that just don’t have the volume necessary to warrant signals.

Both the Huntington and Preston Vineyard locations were installed when school zone crossings were located at those intersections. I expect these intersections will probably be signalized at some point in the future when warrants are met. Whenever all-way stops are considered on major arterials like Hillcrest, one factor we try to consider is if a signal will be needed in the future. If a signal is not likely, the need for the stop signs will be reconsidered. I don’t want to get into a situation where we have mid-block four way stops on an arterial that are surrounded by signals. This type of situation is not good for signal progression.

Within the next 12 to 18 months, the intersections of College at Hillcrest, Rolater at Hillcrest, and FM 3537 at Hillcrest will be signalized. College currently meets warrants and is being included in the budget for next year. Hillcrest at Rolater, which is also included in next years’ budget, is expected to meet warrants when the Rolater extension east of Hillcrest opens later this summer. TxDOT will be installing a signal at FM 3537 and Hillcrest in the next fiscal year.

Removing stop signs and/or changing stopping locations can be a tricky process. Stop sign removal has been done twice before here in Frisco, both with mixed results. New drivers to the area wouldn’t have much problem, but the motorists who drive the area day in and day out would have problems. This would be similar to the adjustment that residents who live east of Hillcrest and north of Rolater had to make when Hillcrest was fully opened. I occasionally still see people from this area ignore the stop sign and try to only stop in the median. This is what they had done for six to seven years without a problem. Suddenly, they had to learn not to ignore the sign and actually stop in the proper place.

We continually perform warrant studies at four-way stops and other intersections along major arterials. These studies are used to plan for future installations and prioritize them based on various criteria. In fact, warrant studies were performed this past February at both of the Huntington and Preston Vineyards intersections. Both intersections are approaching the volumes necessary to warrant a traffic signal. Intersections that are close to meeting warrants are evaluated every 6 to 12 months.

Considering these factors and the likelihood that these intersections will have enough volume to warrant signals at some point in the future, I would not recommend removal of the signs at Huntington and at Preston Vineyards.

Brian Moen
Traffic Engineer

Posted on Friday, June 21, 2002 - 12:12 pm:   


Thanks for the information on Hillcrest. I have two more suggestions for you.

1) When the intersections on Hillcrest at College and Rolater are signalized, is it possible for them to just flash red at off peak times? I hate waiting for a light to change at 3am when nobody else is on the road.

2) I would suggest prohibiting the right turn on red for southbound Hillcrest at Lebanon. That turn is completely blind, thanks to a HOA wall on the NE corner of that intersection and the angles at which the streets meet. I was nearly nailed there last month. And now, when I wait for the light it never fails that someone waiting behind me loses their patience.

thank you

Brian Moen, Traffic Engineer (Brian)
Posted on Wednesday, June 26, 2002 - 10:12 am:   

Thanks for the questions.

Question #1 - Currently we do not use nighttime flash at intersections due to safety concerns. While delay can be reduced using this mode of operation, studies from around the country have shown that intersections with nighttime flash average about 70% more injury accidents during flashing operations when compared to intersections that operate normally.

We try at night to make sure the signal is responsive enough to minimize delay. If you are approaching from the side street (lower volume roadway), you will likely have to spend some time waiting. If you have concerns over a particular location, please let me know so we can determine if there is a detection problem. Sometimes vehicle detectors will malfunction and the problem will only be apparent during late night operations.

Question #2 - Thank you for the information. We will look into it and make the necessary modifications.

Brian Moen

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