NOTE: Locomotive data are
for Class I railroads only. Freight car data cover Class I railroads, other
railroads, and private car owners.
SOURCES: Association
of American Railroads, Railroad Ten-Year
Trends, 1990–2000 (Washington, DC: 2000);
2000–2001 data—Association of American Railroads, Analysis of Class I Railroads (Washington,
DC: 2000 and 2001).
