Figure 3-3 Airport Market Size by Number of Domestic Enplanements, 2012

NOTE: Airports are included if they serve at least 0.05% of all enplaned (boarded) passengers in the United States. They are categorized based on their share of total enplaned passengers: Large, 1% or more; Medium, 0.25%–0.99%; and Small, 0.05%–0.24%.

Figure 3-2 Peak-Period Congestion on the National Highway System, 2011

NOTES: Highly congested segments are stop-and-go conditions with volume/service flow ratios greater than 0.95. Congested segment have reduced traffic speeds with volume/service flow ratios between 0.75 and 0.95. The volume/service flow ratio is estimated using the...

Figure 3-1 Passenger Vehicle Traffic on the National Highway System, 2011

SOURCE: U.S. Department of Transportation, Federal Highway Administration, Office of Highway Policy Information, Highway Performance Monitoring System, and Office of Freight Management and Operations, Freight Analysis Framework, version 3.4, 2013....

Figure 2-10 Person Crossings Into the United States at Land Border Crossings and International Airports, 2012

NOTE: Truck crossings are not included as that is primarily freight related.

SOURCES: Personal Vehicle Crossings – U.S. Department of Transportation, Bureau of Transportation Statistics, Border Crossing/Entry Database, based on data from U.S. Department...

Figure 2-5 Percent Change in Licensed Drivers by Age Group, 2000 to 2011

SOURCE: U.S. Department of Transportation, Federal Highway Administration, Highway Statistics 2011, available at www.fhwa.dot.gov/policyinformation/ statistics/2011/dl22.cfm, as of April 2013.

Table 5-6: Greenhouse Gas (GHG) Emissions by Mode: 1990, 2005, 2008–2012

Millions of metric tons of CO2, domestic activities only

Table 5-5: Average Fuel Efficiency of U.S. Passenger Cars and Light Trucks, Various Years

Miles per gallon

Table 5-4 Energy Consumption by Transportation Mode, Various Years

Table 5-3: Fuel Consumption by Transportation Mode, 2007-2011

Figure 5-5 Distracted Driving Laws for Mobile Devices by State, 2012

NOTES: The District of Columbia has a Texting and Hand-Held Ban, Guam has a Texting Ban and the Virgin Islands have a Hand-Held Ban. Partial bans refer to the states that have laws prohibiting certain groups of drivers from using a hand-held device or...