Union Pacific Corporation (UPC) is engaged in the transportation business. The Company's operating company, Union Pacific Railroad Company (UPRR), links 23 states in the western two-thirds of the United States. Union Pacific Railroad Company's business mix includes agricultural products, automotive, chemicals, energy, industrial products and intermodal. UPRR has approximately 32,094 route miles, linking Pacific Coast and Gulf Coast ports with the Midwest and eastern United States gateways and providing several corridors to Mexican gateways. The freight traffic consists of bulk, manifest and premium business. Bulk traffic consists of coal, grain, rock, or soda ash in unit trains. Manifest traffic is individual carload or less than train-load business, including commodities, such as lumber, steel, paper and food. The transportation of finished vehicles and intermodal containers is part of the premium business.