U.S. class I railroads - freight cars in service (owned and leased) 2009

The statistic shows the number of freight cars in service (owned and leased) of U.S. class I railroads at the end of the year 2009. Union Pacific had 83,917 owned and leased freight cars in service in 2009. The Union Pacific Railroad is the largest railroad network in the U.S. Its route map covers most of the central and western United States.A class I railroad in the U.S. is a large freight railroad company, as classified based on operating revenue. Smaller railroads are classified as class II resp. class III.

本统计数据展示了美国一级铁路公司在2009年年末在役（自有及租赁）的货运车辆数量。联合太平洋铁路公司在2009年拥有并租赁在役的货运车辆共计83,917辆。联合太平洋铁路是美国最大的铁路网络，其线路图覆盖了美国大部分的中部和西部地区。在美国，一级铁路公司指的是大型货运铁路公司，该分类基于其运营收入。较小的铁路公司则被划分为二级或三级。