Amtrak officially began service in May 1971. Amtrak offers services in 46 states on a 22,000 mile route system. Ridership data are highly seasonal, with July and August being very high seasonal months. In 2000, Amtrak introduced a high-speed rail service in the northeast U.S., which helped increase ridership.
|Amtrak Revenue Passenger Miles||Aug-05||Aug-06|
|Amtrak revenue passenger miles (thousands)||505,646||524,611|
|Percent change from same month previous year||0.05||3.75|
NOTE: The current value is compared to the value from the same period in the previous year to account for seasonality.
SOURCE: U.S. Department of Transportation, Federal Railroad Administration, Office of Safety Analysis, available at http://safetydata.fra.dot.gov/OfficeofSafety/, as of November 2006.