 Passenger Rail | Oct. 14, 2022 |
| Clean Energy Transition | Nov. 12, 2021 |
| Rebuilding America's Infrastructure | Jun. 4, 2021 |
| Aging Infrastructure | Apr. 19, 2019 |
| Self-Driving Cars | Feb. 1, 2019 |
| Global Tourism Controversies | Nov. 9, 2018 |
| India Today | Oct. 5, 2018 |
| Algorithms and Artificial Intelligence | Jul. 6, 2018 |
| Traffic Congestion | Jan. 26, 2018 |
| Privatizing Government Services | Dec. 8, 2017 |
| Mass Transit | Dec. 9, 2016 |
| Robotics and the Economy | Sep. 25, 2015 |
| Future of Cars | Jul. 25, 2014 |
| Aging Infrastructure (Updated: June 18, 2012) | Sep. 28, 2007 |
| Traffic Congestion | Aug. 27, 1999 |
| Transportation Policy | Jul. 4, 1997 |
| Highway Safety | Jul. 14, 1995 |
| Traffic Congestion | May 6, 1994 |
| Curbing Auto-Insurance Premiums | Apr. 27, 1990 |
| Transportation: America's 'Quiet Crisis' | Aug. 11, 1989 |
| Gridlock in Suburbia | Jun. 3, 1988 |
| Interstate Highway System at Twenty-Five | Oct. 9, 1981 |
| Highway Design and Beautification | May 5, 1965 |
| Progress of the Road Program | Sep. 2, 1960 |
| Urban Transportation | Mar. 11, 1959 |
| Billboards and Roadside Controls | Mar. 6, 1957 |
| New Highways | Dec. 13, 1954 |
| Highway Accidents: Causes and Remedies | Dec. 24, 1952 |
| Subsidies to Transportation | Feb. 23, 1950 |
| Local Transportation | May 15, 1942 |
| Prevention of Highway Accidents | Jul. 25, 1939 |
| Federal Highway Aid and the Depression | Dec. 24, 1932 |
| Billboards and Roadside Improvement | Apr. 30, 1931 |
| Competition in Transportation | Mar. 27, 1931 |
| The Federal Public Works Program | Dec. 20, 1929 |
| Toll Bridges and Toll Roads | Feb. 14, 1929 |
| Ten Years of Federal Aid in Road Building | Jul. 11, 1927 |
