The bill proposes an $8 billion investment plan for Massachusetts' transportation infrastructure over the next decade, focusing on enhancing roads, bridges, and public transit systems without raising taxes. This funding is primarily sourced from Fair Share revenue, generated by a 4% surtax on income exceeding $1 million, which was approved by voters in November 2022. The plan includes a significant expansion of the Commonwealth Transportation Fund (CTF), allocating $550 million annually to address various transportation needs, including local roads and the Massachusetts Bay Transportation Authority (MBTA) services. The bill also establishes a reporting requirement for CTF-funded projects and prioritizes investments in state-municipal partnerships, critical infrastructure upgrades, and safety improvements.

Additionally, Governor Healey's legislation proposes a $300 million annual increase for municipal transportation projects through Chapter 90 funds over five years, with a notable 50% funding increase. Key insertions in the bill include the establishment of new programs such as the Community Culvert Grant Program, which will receive $120 million, and the Rail Reliability Program aimed at enhancing MBTA services. The legislation emphasizes safety and reliability, with investments earmarked for bridge repairs, roadway resurfacing, and the modernization of the Green Line infrastructure. Overall, the bill represents a comprehensive approach to improving Massachusetts' transportation systems while ensuring fiscal responsibility and support for small and rural communities.