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State Highway 121 in Collin, Dallas and Denton Counties
The State Highway (SH) 121 project is a 25.9 mile toll road that will run through Collin, Dallas and Denton counties from McKinney where SH 121 intersects with U.S. 75 west to Lewisville near the Tarrant County line.
The North Texas Tollway Authority (NTTA) conducted a public meeting on June 16 to discuss proposed design enhancements for the SH 121/ U.S. 75 interchange. More information...
Frequently Asked Questions about these enhancements are available here.
To see the proposed interchange configuration, please click here.
View a map showing the SH 121/ U.S. 75 interchange design that was approved in 2005.
View a map showing the SH 121/ U.S. 75 interchange design currently proposed by the NTTA.
MORE ABOUT THE SH 121 PROJECT:
In addition to developing and operating SH 121, the NTTA provided a payment of $3.3 billion at financial close to TxDOT; the Regional Transportation Council (RTC) will decide how those funds should be used for additional road projects throughout north Texas.
Click here to view the presentation of the NTTA's SH 121 proposal that was given to the Regional Transportation Council on Thursday, June 14, 2007.
Click here to view the Powerpoint that was shown to the NTTA Board of Directors on May 7, 2007 and scroll down to view the Executive Summary of the NTTA’s proposal.
Click here to view a chronology of the SH 121 project as it relates to the NTTA.
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Corridor Manager: Steven C. Hankins, P.E.
E-mail: SH121@ntta.org
Public Information: Holly Becka, (972) 628-3042