| Election Date | State | Title | Outcome |
|---|---|---|---|
| Nov. 4, 2008 | Alaska | Bond Question: Bonds for Transportation Projects | Passed |
| Feb. 5, 2008 | California | Proposition 91: Transportation Funding. Initiative Constitutional Amendment and Statute. | Failed |
| Nov. 4, 2008 | California | Proposition 10: Bonds. Alternative Fuel Vehicles and Renewable Energy. Statute. | Failed |
| Nov. 4, 2008 | California | Proposition 1A: Safe, Reliable High-Speed Passenger Train Bond Act | Passed |
| Nov. 4, 2008 | Colorado | Amendment 58: Severance Taxes on the Oil and Natural Gas Industry | Failed |
| Nov. 4, 2008 | Colorado | Amendment 52: Use of Severance Tax Revenue for Highways | Failed |
| Nov. 4, 2008 | Rhode Island | Question 1: Transportation Bonds | Passed |
| Nov. 4, 2008 | Washington | Initiative 985: Initiative Measure No. 985 concerns transportation. | Failed |