All data

Data extracts are raw data from company filings. Information Releases are annual reports from MassDEP.

Information and links for developers to work with real-time and static transportation data.

Search geographic datasets maintained by the Department of Transportation, such as road inventories, crash data, rail networks, and airports.

Spring 2023

February 2025

View data on member enrollment, application activity, Customer Service Center statistics, and more.

Find data on Title V Maternal and Child Health Performance Measures in Massachusetts.

Data feeds and files to develop applications for the MBTA and other transit services.

Explore public transit datasets, such as ridership data, service coverage, financials, and vehicle locations. This data is published by the Massachusetts Bay Transportation Authority.

Massachusetts Comprehensive Assessment System (MCAS) test results and supporting documents from the last six years. This data is hosted on a website operated by the Department of Elementary and Secondary Education (DESE).