Figure 2-1 Major Passenger Transportation Facilities: 2013
SOURCES: Airports: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, Office of Airline Information, T-100 Domestic Market (U.S. Carriers) Data, available at http://transtats.bts.gov/ as of February 2013. Large Hub Airports account for 1 percent or more of 2011 enplanements and Medium Hub Airports account for at least 0.25 percent but less than 1 percent of 2011 enplanements. Rail Transit: U.S. Department of Transportation, Federal Transit Administration, National Transit Database 2011, available at http://www.ntdprogram.gov/ as of February 2013. Interstates/Highways and Amtrak: U.S. Department of Transportation, Bureau of Transportation Statistics, Office of Geospatial Information Systems, National Transportation Atlas Databases 2012, available at https://www.bts.gov/archive/publications/national_transportation_atlas_database/index as of February 2013.