Dallas News » Funds to improve three highway logjams are being used as leverage to persuade the Texas Transportation Commission to build LBJ East, the 10.8 miles of Interstate 635 between Interstate 30 and Central Expressway that has been deemed the region’s top transportation project. The three potentially endangered projects are the Interstate 30 bridge over Lake Ray Hubbard. Interstate 35E between LBJ and the Denton County line and U.S. Highway 80 east toward Kaufman County.