As of September 2025, 41 states have introduced a total of 173 bills related to transportation investment, according to the latest analysis from the ARTBA Transportation Investment Advocacy Center (ARTBA-TIAC).
Key Highlights:
Mississippi enacted a nine-cent-per-gallon increase in the state gas tax on March 27. The law includes automatic adjustments every two years.
Wyoming signed legislation on March 3 to redirect sales and use taxes collected on motor vehicles and trailers from the general fund to the highway fund.
Maryland lawmakers approved a series of transportation-related fee increases, including a new tire fee, expected to generate approximately $500 million in new revenue. The bill was passed on April 7.
Ohio voters renewed the state’s 10-year, $2.5 billion infrastructure bond program on May 6. Originally approved in 1987, the program supports long-term capital investments.
Washington State passed a comprehensive transportation funding bill, signed by Governor Bob Ferguson (D) on May 24. It includes a six-cent-per-gallon increase in the state motor fuel tax, indexed by 2 percent annually; increases in various vehicle-related taxes and fees; a new fee on luxury vehicles; and a portion of the state sales tax dedicated to transportation.
Indiana lawmakers passed legislation on May 1 seeking federal approval to toll lanes on interstate highways.
Georgia, New York, and Tennessee approved significant one-time appropriations for transportation infrastructure projects.
Looking Ahead:
By September, most state legislatures have adjourned their regular sessions. However, Pennsylvania and Michigan remain in session as they continue budget negotiations. Meanwhile, the Oregon legislature is scheduled to reconvene at the end of September to finalize a scaled-back transportation funding package.
Stay informed on the latest developments in state transportation funding by visiting the ARTBA-TIAC State Legislation Dashboard and following our blog for real-time updates.