The developer of the first phase of the Trans Texas Corridor super highway toll system says Texas needs an addition: 600 miles of new rail line from Dallas-Fort Worth to Mexico for freight trains. That's the proposal from Cintra-Zachry, the Spanish and American partnership already working on the first section of toll road for cars and trucks, announced by state transportation officials Wednesday. The Trans Texas Corridor is the plan kick-started several years ago by Gov. Rick Perry to build 4,000-plus miles of tollways and railways that would incorporate oil and gas pipelines, utility and water lines, and even broadband...