Summary Statistics on Demographic Characteristics and Total Travel

Key: NA = not applicable.

Number of People Residing in Areas of Significant Noise Exposure Around U.S. Airports

KEY:  dB = decibels; DNL = day-night sound level; R = revised.                  

^a Noise-level contours are graphical representations of noise levels on a map, similar to elevation contours on a topographic map.  Noise-level contours are lines that join points of equal sound levels. Areas between given noise-level contour lines would have a noise level between the two contour values. The U.S. Department of Transportation, Federal Aviation Administration (FAA) has identified DNL 65 dB as the...

Energy Intensity of Light Duty Vehicles and Motorcycles (Metric)

Hybrid-Electric, Plug-in Hybrid-Electric and Electric Vehicle Sales

KEY: R = revised; Z = a value of zero, or value too small to report.

National Transportation Statistics 2017 4th Quarter

National Transportation Statistics Table of Contents - Acknowledgments

Elaine L. ChaoSecretary

Jeffrey A. RosenDeputy Secretary 

Patricia S. HuDirector

Rolf Schmitt, Ph.D.Deputy Director 

Michael J. SprungAssistant Director, Office...

National Transportation Statistics Table of Contents - Appendix C - Acronyms and Initialisms

National Transportation Statistics Table of Contents - Appendix B - Glossary

National Transportation Statistics Table of Contents - Appendix E – Data Source and Accuracy Statements

National Transportation Statistics - Front Matter