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Just as it opened the markets of the west coast and Asia to the east, it brought products of eastern industry to the growing populace beyond the Mississippi. The railroad ensured a production boom, as industry mined the vast resources of the middle and western continent for use in production.“What the transcontinental railroad did was bring the West into the world, and the world into the West,” explains James P. Ronda, a retired University of Tulsa history professor and co-author, with Carlos Arnaldo Schwantes, of The West the Railroads Made. In particular, it helped turn California from a once-isolated place to a major economic and political force, and helped lead to the state’s rapid growth.By 1880, the transcontinental railroad was transporting $50 million worth of freight each year. In addition to transporting western food crops and raw materials to East Coast markets and manufactured goods from East Coast cities to the West Coast, the railroad also facilitated international trade.In the 1860s, a six-month stagecoach trip across the U.S. cost $1,000 (about $20,000 in today’s dollars), according to the University of Houston’s Digital History website. But once the railroad was built, the cost of a coast-to-coast trip became 85 percent less expensive. That made it possible for Americans to visit distant locales that previously they might only have heard about.