Suggested Citation: "Endnotes." National Academies of Sciences, Engineering, and Medicine. 2024. Critical Issues in Transportation for 2024 and Beyond. Washington, DC: The National Academies Press.
a Measured in lane-miles. b Measured in directional route-miles. c Light rail was revised beginning in 2011 and includes light rail, street car rail, and hybrid rail. d Estimated length of domestic ...