Massachusetts Department of Transportation (MassDOT) – Boston, MA

Massachusetts Department of Transportation (MassDOT)

The Massachusetts Department of Transportation (MassDOT) is headquartered in the State Transportation Building at 10 Park Plaza in Boston, Massachusetts. This agency replaced the former Massachusetts Turnpike Authority in 2009, assuming responsibility for the management of the Massachusetts Turnpike (I-90), the Metropolitan Highway System, and the Tobin Bridge. MassDOT is the unified transportation organization for the Commonwealth, overseeing roads, public transit, aeronautics, and the Registry of Motor Vehicles (RMV). The Highway Division, based at this location, designs, constructs, and maintains the state highway system, ensuring safe and efficient travel for motorists.

Highway Division Services

From the 10 Park Plaza headquarters, MassDOT manages critical infrastructure and services:

• Infrastructure Management: Maintenance of state roadways, bridges, and tunnels, including the Ted Williams and Sumner/Callahan Tunnels.
• E-ZPass MA Oversight: Administration of the state’s electronic tolling system (All Electronic Tolling), though customer service centers for transponders are located elsewhere (e.g., Haymarket or Auburn).
• Construction Projects: Planning and executing major transportation improvement projects across the state.
• Snow and Ice Control: Coordinating statewide winter storm response operations.

Building Information

The State Transportation Building is a major government hub that also houses the MBTA administration. It is open to the public, but specific offices may require appointments. The building features a public atrium and retail spaces. Security personnel are present, and visitors to upper-level administrative offices must check in at the security desk and present a valid photo ID. The location is situated in the Theater District, easily accessible via the Boylston and Chinatown MBTA stations.