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Overnight closures, detours September 21 at Sam Rayburn Tollway/Dallas North Tollway interchange 

(September 21, 2011) The Sam Rayburn Tollway (SRT)/Dallas North Tollway (DNT) interchange closures scheduled for tonight, Wednesday, September 21, include both directions of the Dallas North Tollway near the SRT, the southwest-bound SH 121 frontage road west of the DNT, and the northeast-bound SH 121 frontage road east of the DNT.  The closures begin at 9:00 p.m. tonight and will end by 5:00 a.m. tomorrow morning.  The details of each closure are described below:

The southbound Dallas North Tollway main lanes will be closed between SH 121 and Headquarters Drive in Plano.  Southbound traffic will be diverted onto the southbound Dallas Parkway frontage road at SH 121 and will be able to re-enter the DNT at Headquarters Drive in Plano.

The northbound Dallas North Tollway main lanes will be closed between Headquarters Drive in Plano and Gaylord Parkway in Frisco.  Northbound traffic will be diverted onto the northbound Dallas Parkway frontage road at Headquarters Drive and will be able to re-enter the DNT at Gaylord Parkway.

The southwest-bound SH 121 frontage road will be closed between Dallas Parkway and the southwest-bound SRT exit ramp to Legacy Drive.   Southwest-bound traffic will be detoured south on Dallas Parkway, west on Headquarters Drive, and north on Legacy Drive in order to return to SH 121.

The northeast-bound SH 121 frontage road will be closed between Dallas Parkway and Parkwood Boulevard.  Northeast-bound traffic will be diverted south on Dallas Parkway, left onto Headquarters Drive, and then north on Parkwood Boulevard in order to return to SH 121.

Motorists are urged to use caution in the construction zone and to choose an alternate route in advance.

These road closures are part of NTTA’s interchange construction project which is prompting a series of overnight closures that will occur each weeknight in September.  Depending on the contractor’s schedule, a different combination of main lanes and/or frontage roads will be closed each night.  Daily updates of each closure are available on www.ntta.org by clicking on “general lane and ramp closures” and the City of Frisco will announce each night’s closure as the information becomes available.

City of Frisco, Texas
George A. Purefoy Municipal Center

6101 Frisco Square Blvd
Frisco, Texas 75034
972-292-5000
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