Trade between Mexico and the U.S. is growing, which has some states and companies looking at how best to keep the flow of goods moving in the face of tightened security at border crossings, according to this article. One plan could involve Union Pacific's $400 million rail yard under construction in Santa Teresa, N.M., which will create 3,000 contruction jobs and 600 jobs once complete. New Mexico Gov. Susana Martinez and Chihuahua, Mexico, Gov. Cesar Duarte want to create a rail line crossing the border in Santa Teresa.