Southern sector's piece of the doughnut Good news for southern Dallas and the south suburbs, which have long clamored for greater attention to their highway needs. Cintra-Zachary, a consortium of Spanish and San Antonio companies, has notified the state transportation department that it wants to build the east-west Loop 9 tollroad project. Next step is a detailed proposal. Loop 9 eventually could be a segment of the proposed Big Doughnut super-outer-loop that would hook into the state's plan for the Trans Texas Corridor.
