Aviation

Federal Aviation Administration, “2022 Airport Improvement Program (AIP) Grants”. Published September 2022. Accessed February 2023.
USDOT Bureau of Transportation Statistics, “State Transportation by the Numbers,” Data 2018. Accessed February 2023

Bridges

American Road & Transportation Builders Association, “2022 Bridge Report.” February 2023.

Dams

National Inventory of Dams, Interactive Geographic NID Database, Accessed February 2023

Drinking Water

U.S. Environmental Protection Agency, Office of Water, “Drinking Water Infrastructure Needs Survey and Assessment: Sixth Report to Congress,” 2015

Energy

“Eaton Blackout Tracker United State Annual Report 2018,” pg. 9. 2018.

Hazardous Waste

U.S. Environmental Protection Agency, “Search for Superfund Sites Where You Live.” Accessed February 2023

Inland Waterways

Bureau of Transportation Statistics, “State Transportation by the Numbers.” Accessed February 28, 2021.

Levees

U.S. Army Corps of Engineers. “Levee Portfolio Report: A Summary of Risks and Benefits Associated with the USACE Levee Portfolio,” Appendix E. 2018.

Ports

Bureau of Transportation Statistics, “State Transportation by the Numbers.” Accessed February 28, 2021.

Public Parks

National Park Service, “NPS Deferred Maintenance by State and Park.” 2018.

Rail

Bureau of Transportation Statistics, “State Transportation by the Numbers.” Accessed February 28, 2021.

Resource Center: Transit & Rail

“Eaton Blackout Tracker United State Annual Report 2018,” pg. 9. 2018.

Resource Center: Transit & Rail

“Eaton Blackout Tracker United State Annual Report 2018,” pg. 9. 2018.

Roads

TRIP, “Pavement Condition and Vehicle Operating Cost Data,” 2018
NHTSA, “The Economic and Societal Impact of Motor Vehicle Crashes,” 2019, Table 6-1

Schools

21st Century School Fund, “State of Our Schools: America’s K-12 Facilities,” Appendix A. 2016.

Solid Waste

Environmental Research & Education Foundation, “Municipal Solid Waste Management in the U.S. 2010 & 2013,” Table 8. 2016.

Stormwater

Western Kentucky University, “Western Kentucky University Stormwater Utility Survey 2020,” Table A-1. 2020.

Transit

Federal Transit Administration, National Transit Database “2021 Annual Time Series,” TS2.2 Service Data and Operating Expenses Time Series by System

Wastewater

U.S. Environmental Protection Agency, “Clean Watersheds Needs Survey 2012, Report to Congress,” Table A-1.