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 to people traveling in the Commonwealth by providing transportation infrastructure which is safe, reliable, robust and resilient. We work to provide a transportation system which can strengthen the state’s economy and improve the quality of life for all.
Visit the RMV's Online Service Center for over 40 transactions that can be completed online and skip the trip to the RMV.
If you need to visit the RMV, Get Ready Online first. Choose from a range of license and ID services to help make your next visit to the RMV your best visit.
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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