Atlanta Hartsfield-Jackson was the top US airport for total system passenger boardings in 2017 – 50 million – followed by Los Angeles International and Chicago O’Hare.
NATIONAL TRANSPORTATION LIBRARY (NTL)
The National Transportation Library is a repository for Department of Transportation information, providing library services and serving as a portal for transportation data.
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STATISTICAL POLICIES
As a principal statistical agency, BTS adheres to a number of standards and practices to assure the quality and comparability of its statistics.