Explore dashboards and download datasets about vehicle accidents using the Department of Transportation's Interactive Mapping Portal for Analysis and Crash Tracking (IMPACT). These data are based on crash reports submitted by state and local police departments.
Massachusetts Department of Transportation, Highway Division
Top crash locations are based on a clustering of crashes that have been submitted to the statewide crash system. They have been ranked based on the weighting of the number and severity of crashes. This should only be used as an initial evaluation tool.