Mobility Monitoring – Roadways – Crashes
OVERVIEW •
REGIONAL TRENDS •
ROADWAYS •
INTERSECTIONS •
TRANSIT
BICYCLE/PEDESTRIAN •
HOV LANES •
TRANSPORTATION DEMAND MANAGEMENT •
PARK-AND-RIDE
Overview •
Arterial Roadways •
Crashes •
Freeways •
Performance Measures •
Traffic Volumes
Roadway crash data are compiled by the Registry of Motor Vehicles (RMV). The Central Transportation
Planning Staff (CTPS) then uses a geographic information system (GIS) to geocode the RMV data and subsequently identify the top crash
locations, which are summarized in the Massachusetts Department of Transportation’s (MassDOT´s) statewide “Top Crash Locations Report” (2008).
MassDOT uses the report and the crash data to develop a list of possible safety improvement projects. A
three-year crash history is used—a standard industry practice for analyzing crash locations.
The tables and maps available for download below show crash data for the years 1997-1999—this was the most recent
data available for analysis in the 2004 report on mobility monitoring.
Ranking Crash Locations
MassDOT uses a weighted scoring system to rank the crash locations. The following weights are assigned to crash
incidents according to crash severity:
- Property damage only = 1
- Personal injury = 5
- Fatality = 10
The weighted score highlights the locations that tend to have more serious crashes, rather than simply ranking by
the number of crashes.
Tables
Top 60 Crash Locations on Arterial Roadways (PDF)
Top 60 Crash Locations on Limited-Access Highways (PDF)
Top 25 Crash Locations in the Middle Inner Core Subregion (Boston and inner suburbs) (PDF)
Top 25 Crash Locations in the Upper Inner Core Subregion (upper inner suburbs) (PDF)
Top 25 Crash Locations in the Lower Inner Core Subregion (lower inner suburbs) (PDF)
Top 25 Crash Locations in the MAGIC Subregion (Northwest suburbs) (PDF)
Top 25 Crash Locations in the MetroWest Subregion (West suburbs) (PDF)
Top 25 Crash Locations in the NSTF Subregion (North Shore suburbs) (PDF)
Top 25 Crash Locations in the NSPC Subregion (North suburbs) (PDF)
Top 25 Crash Locations in the SSC Subregion (South Shore suburbs) (PDF)
Top 25 Crash Locations in the SWAP Subregion (Southwest suburbs) (PDF)
Top 25 Crash Locations in the TRIC Subregion (South suburbs) (PDF)
Maps
Locations with 15 or More Crashes in the Middle Inner Core Subregion (Boston and inner suburbs) (PDF)
Locations with 15 or More Crashes in the Upper Inner Core Subregion (upper inner suburbs) (PDF)
Locations with 15 or More Crashes in the Lower Inner Core Subregion (lower inner suburbs) (PDF)
Locations with 15 or More Crashes in the MAGIC Subregion (Northwest suburbs) (PDF)
Locations with 15 or More Crashes in the MetroWest Subregion (West suburbs) (PDF)
Locations with 15 or More Crashes in the NSTF Subregion (North Shore suburbs) (PDF)
Locations with 15 or More Crashes in the NSPC Subregion (North suburbs) (PDF)
Locations with 15 or More Crashes in the SSC Subregion (South Shore suburbs) (PDF)
Locations with 15 or More Crashes in the SWAP Subregion (Southwest suburbs) (PDF)
Locations with 15 or More Crashes in the TRIC Subregion (South suburbs) (PDF)
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