Construction crews will close the Dallas North Tollway (DNT) near Sam Rayburn Tollway starting late Friday, October 20 until early Monday, October 23 to pour concrete for the new Tennyson Parkway bridge over the DNT and other construction work. Tennyson Parkway will remain open. This flyer has all the closure details. Feel free to share this with anyone who might need to know. Need more information? Call the project hotline at 972.628.3134 or visit ProgressNTTA.org.