Transportation Infrastructure of the United States: 2019
Figure

Notes:
Major airports include only airports with 1 million enplanements or more in 2017. Major ports include only ports with a total tonnage of 6 million or more in 2017. Ports of entry are shown for all ports with a road border crossing, with the five busiest ports of entry at each border bolded. Non-capital cities with a population of 250,000 or more are shown, based on 2017 Census Bureau population estimates.
Source:
U.S. Department of Transportation, Bureau of Transportation Statistics, National Transportation Atlas Database, 2018.