0.14 percent U.S. Passenger Miles https://www.rita.dot.gov/bts/sites/rita ... 01_40.html https://www.rita.dot.gov/bts/sites/rita ... 01_40.html Table 1-40: U.S. Passenger-Miles (Millions). https://www.rita.dot.gov/bts/sites/rita ... 01_40.html US Department of Transportation data shows https://www.rita.dot.gov/bts/sites/rita ... 01_40.html Table 1-40: U.S. Passenger-Miles (Millions). https://www.rita.dot.gov/bts/sites/rita ... 01_40.html passenger-miles 3.5 trillion miles https://www.rita.dot.gov/bts/sites/rita ... 01_40.html US Department of Transportation data shows https://www.rita.dot.gov/bts/sites/rita ... 01_40.html https://www.rita.dot.gov/bts/sites/rita ... 01_40.html https://www.rita.dot.gov/bts/sites/rita ... 01_40.html 0.14 percent https://www.rita.dot.gov/bts/sites/rita ... 01_40.html DoT, Table 1-40 46 trillion passenger miles US Department of Transportation data shows https://www.rita.dot.gov/bts/sites/rita ... 01_40.html "Table 1-40: U.S. Passenger-Miles (Millions)" https://www.rita.dot.gov/bts/sites/rita ... 01_40.html https://www.rita.dot.gov/bts/sites/rita ... 01_40.html https://www.rita.dot.gov/bts/sites/rita ... 01_40.html Table 1-40: U.S. Passenger-Miles (Millions) https://www.rita.dot.gov/bts/sites/rita ... 01_40.html passenger-miles 4.4 trillion passenger miles traveled "Table 1-40: U.S. Passenger-Miles (Millions)" past few years of available data passenger-miles passenger miles of travel https://www.rita.dot.gov/bts/sites/rita ... 01_40.html https://www.rita.dot.gov/bts/sites/rita ... 01_40.html passenger-miles http://www.rita.dot.gov/bts/sites/rita.dot.gov.bts... Table 1-40: U.S. Passenger-Miles (Millions) https://www.rita.dot.gov/bts/sites/rita ... 01_40.html https://www.rita.dot.gov/bts/sites/rita ... 01_40.html https://www.rita.dot.gov/bts/sites/rita ... 01_40.html