Number of passengers (monthly data, not seasonally adjusted)
|Number of passengers (thousands)|
NOTES: Amtrak officially began service in May 1971. Amtrak serves more than 500 stations in 46 states and operates over a network of more than 22,000 track miles. Ridership is highly seasonal, with July and August being very high ridership months. In 2000, Amtrak introduced a high-speed rail service in the northeast United States, which helped increase ridership.
SOURCE: U.S. Department of Transportation, Federal Railroad Administration, Office of Safety Analysis, available at http://safetydata.fra.dot.gov/OfficeofSafety/ as of August 2007.