NOTES: In 2000,
Amtrak revised the methodology for reporting delays by cause, which makes data
beginning in 2000 not comparable to previous years. See table 5-11 in appendix
B for definitions of the causes of delays.
SOURCES:1994–1999—National
Railroad Passenger Corp. (Amtrak), Amtrak Annual Report (Washington, DC:
Annual Issues). 2000–2004—Amtrak,
personal communication, October 2003 and February 2005.
