The state's ability to develop public-private partnerships - as envisioned with the Trans-Texas Corridor - is critical to complete long-sought transportation improvements and economic development from Laredo to north of Amarillo, according to the Ports-to-Plains Corridor Coalition. "Partnerships that pool federal, state, local and private sector resources will be needed to make Ports-to-Plains a reality and there are several opportunities for that to occur," said Michael Reeves, president of the Lubbock-based coalition. A new study prepared by Cambridge Systematics, Inc. for the Texas Department of Transportation concludes that enhancements to rail, electric transmission lines and highways would improve mobility, safety...