(September 12, 2011) The Sam Rayburn Tollway(SRT) /Dallas North Tollway (DNT) interchange closures scheduled for tonight, Monday, September 12, include the northbound Dallas Parkway frontage road, the northbound DNT exit ramp to Gaylord Parkway, and the southwest-bound SH 121 frontage road. 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 northbound Dallas Parkway frontage road will be closed between Headquarters Drive in Plano and Gaylord Parkway in Frisco. Northbound traffic will be diverted east on Headquarters Drive to Parkwood Boulevard in order to continue north. Due to this frontage road closure, the northbound DNT exit ramp to Gaylord Parkway will also be closed.
The southwest-bound SH 121 frontage road will be closed between Parkwood Boulevard and Dallas Parkway. Southwest-bound traffic will be detoured either north or south on Parkwood Boulevard depending on their destination. Traffic needing to continue southwest on SH 121 or the SRT, or to go north on Dallas Parkway or the Dallas North Tollway, should go north on Parkwood Boulevard and then west on Gaylord Parkway and follow the detour signs. Traffic needing to go south on Dallas Parkway or the Dallas North Tollway should go south on Parkwood Boulevard and then west on Headquarters Drive.
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.