The North Texas Tollway Authority (NTTA) will implement a traffic switch Wednesday on the Sam Rayburn Tollway (SRT) and its frontage roads in Allen and McKinney. The traffic switch is necessary to complete the new SRT/U.S. 75 interchange, which is scheduled to open to traffic in January 2011.
Drivers will notice a traffic pattern change starting the afternoon of Wednesday, Jan. 27, weather permitting. The NTTA will shift northeast-bound SRT frontage road traffic onto new SRT main lanes just before Shelby Drive, which will remain closed.
The existing northeast-bound SRT frontage road, labeled as State Highway 121, will be closed in that area to allow crews to reconstruct it and begin the connections for the new direct-connector ramps for U.S. 75.
Motorists will travel on the new SRT main lanes for a distance of approximately 1,000 feet before returning to the existing roadway just west of U.S. 75.
This traffic switch will last an estimated two months. All closures are subject to weather conditions and will be postponed, if necessary.
Source: NTTA
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