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amtrak_on_time_performance.xls
Monthly data, not seasonally adjusted
On-time performance is a measure of service quality and system reliability as Amtrak operates principally over host railroad tracks.
National Railroad Passenger Corporation (Amtrak) trips of...
major_us_air_carriers_on_time_performance.xls
U.S. Major Air Carrier Domestic On-time Arrival Performance (monthly data, not seasonally adjusted)
The share of flights arriving on time is a measure of service quality. Not only is this indicator strongly seasonal, but...
highway_vehicle_miles_traveled.xls
Monthly data, not seasonally adjusted
Vehicle-miles traveled (VMT) are key data for highway planning and management, and a common measure of roadway use. Along with other data, VMT are often used in estimating congestion, air...
rail_revenue_ton_miles.xls
Quarterly data, not seasonally adjusted
Freight carried by rail accounts for a very large share of transportation activity in the U.S. In the 2007 Commodity Flow Survey, rail acounted for 46% of total national ton-miles. Coal accounted for...
us_air_carrier_cargo_revenue_ton_miles.xls
Monthly data, not seasonally adjusted
The air mode is generally used for cargoes that are time-sensitive and high-value. BTS collects data for air freight and mail that moves on U.S. carriers' domestic and international...
transit_ridership.xls
Monthly data, not seasonally adjusted
According to National Transportation Statistics, in 2009, 6% of workers used public transit as their principal means of getting to their place of work. A higher proportion of workers in urban areas use...
amtrak_revenue_passenger_miles_load_factor.xls
Revenue Passenger-Miles (monthly data, not seasonally adjusted)
Load Factor (monthly data, not seasonally adjusted)
Load factor measures usage by capacity. It is calculated by dividing passenger-miles (...
amtrak_ridership.xls
Monthly data, not seasonally adjusted
The National Railroad Passenger Corporation (Amtrak) officially began service in May 1971. Amtrak serves more than 500 stations in 46 states and operates over a network of more than 21,000 route miles....
us_airline_revenue_passenger_miles_load_factor.xls
Revenue Passenger-Miles (monthly data, not seasonally adjusted)
Load Factor (monthly data, not seasonally adjusted)
Airline revenue passenger-miles (RPM) are a measure of intensity of use of the air...
us_airline_passengers.xls
Monthly data, not seasonally adjusted
In 2011, airlines based in the United States originated 728 million passengers. Eighty-eight percent of passengers had a destination in the United States, and 12 percent had an international destination...