Coin trays in Texas cars may actually get to see the faces of dead presidents. The much-discussed and controversial Trans-Texas Corridor, or TTC, has breathed life into the debate of toll roads in Texas. Plans for the Trans-Texas Corridor include TTC-Instate 35, which starts in Laredo and extends north to Gainesville, running along the eastern part of Texas; and Interstate 69/TCC, which has three openings in Laredo, McAllen and Brownsville and follows the coast to Texarkana. Much of the TTC will be privately operated toll roads, run by the Spanish firm Cintra. The TTC will not run through San Antonio,...