| Election Date | State | Title | Outcome |
|---|---|---|---|
| June 5, 2018 | California | Proposition 69: Requires That Certain New Transportation Revenue Be Used For Transportation Purposes | Passed |
| Nov. 6, 2018 | California | Proposition 6: Eliminates Certain Road Repair and Transportation Funding. Requires Certain Fuel Taxes and Vehicle Fees Be Approved by the Electorate | Failed |