The State Organization Index provides an alphabetical listing of government organizations, including commissions, departments, and bureaus.
Top-requested sites to log in to services provided by the state
MassDOT oversees roads, public transit, aeronautics, and transportation licensing and registration across the state.
Our mission is to deliver excellent customer service and safety to people traveling in the Commonwealth. We work to provide our nation’s safest and most reliable transportation system to strengthen our economy and quality of life.
The Massachusetts Registry of Motor Vehicles issues and oversees all license, ID, and motor vehicle registrations in the Commonwealth. The RMV is committed to providing efficient, reliable, and professional customer service. We recommend that you start online first for most RMV transactions before visiting a Service Center.
The MassDOT Highway Division designs, constructs, maintains and operates the state’s highways, bridges and tunnels. We also assist cities and towns with their road and bridge needs to help ensure that all people can travel safely and efficiently throughout the state.
We promote aviation throughout the Commonwealth. We also enhance airport safety, customer service, economic development, and environmental stewardship.
The MassDOT Rail and Transit Division oversees the Commonwealth's 15 Regional Transit Authorities, MassDOT's freight and passenger rail program and works closely with the MBTA.
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