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Glenn Squire
New member
Username: Gsquire

Post Number: 1
Registered: 09-2009
Posted on Monday, August 09, 2010 - 12:01 am:   

Hi - a question and potential request.

Q. What's the speed limit on the 121 south-west service rd between Preston and Parkwood?

And the request, I suspect the speed limit has been reduced to 45 temporarily. But when exiting the 121 highway for the tollroad exit, I do not beleive there are any marked speed limit signs until after the Parkwood light. If the limit is 45, can you please put up some signage specifically for the traffic exiting off the highway?


Joel Fitts, Senior Traffic Engineer
Username: Joel_fitts

Post Number: 90
Registered: 03-2008
Posted on Monday, August 23, 2010 - 06:42 pm:   


The official speed limit on southbound SH 121 between Preston Road and Parkwood Blvd is 55 MPH (and there may be a temporary reductions to 45 MPH during the construction project).

We will forward your request for more signage to the North Texas Tollway Authority who maintains the highway and the frontage roads.

Joel Fitts
Senior Traffic Engineer

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