Table 3 Rail: 1999 Data (unless noted) Miles of road operated " 120,986 miles by major (Class I) railroads1" " 21,250 miles by regional railroads1" " 28,422 miles by local railroads1" " 22,741 miles by Amtrak2" Equipment1  1.4 million freight cars " 20,256 freight locomotives in service" Freight railroad firms1 " Class I: 8 systems, 177,557 employees, 1.4 trillion revenue"   ton-miles of freight carried " Regional: 36 companies, 11,372 employees" " Local: 510 companies, 12,454 employees" Passenger (Amtrak)2 " 25,000 employees, 1,894 passenger/other cars" " 378 locomotives, 22.5 million passengers carried (FY 2000)" "1 Association of American Railroads, Railroad Facts: 2000 Edition (Washington, DC: 2000). " "2 National Railroad Passenger Corp., Annual Report 2000 (Washington, DC: 2000), also available at http://www.amtrak.com/news/00annualrpt.pdf, as of April 2001." "SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics, National Transportation Statistics 2000 (Washington, DC: 2001)."