Where It Happens
Search an address, filter by crash type, compare years, or enter your commute to see every crash hotspot along your route.
Map tiles blocked in this preview
This interactive map renders fully when deployed to GitHub Pages or opened locally. All crash data, markers, corridors, and tools are loaded — they just need a basemap.
How Safe Is Your Area?
Search any address or intersection to see a crash summary for that location. MassDOT 2022–2024.
The Top 10 Crash Sites
Ranked by total crash volume across Boston. Freeway interchanges dominate due to high traffic volumes — use the Per Vehicle toggle to normalize by traffic count.
| # | Intersection | Crashes | Rate |
|---|
Crash Rates Across the Metro
How each city in Boston compares on total crashes, fatalities, and behavioral factors.
| City | Crashes | Fatal | DUI | Speed | Hit & Run | Ped |
|---|
The Calendar of Risk
Crash patterns by hour, day of week, and month across the metro.
Is the Metro Getting Safer?
Three years of MassDOT records show how crashes, fatalities, and behavioral factors are trending across Boston.
How Bad Are the Crashes?
41 people died on Boston roads in 2024. The severity breakdown tells us how crashes distribute between fatal, serious, minor, and property-damage-only.
DUI Crashes Across the Metro
111 crashes in 2024 involved impairment — 0.6% of the total.
Speed Kills Disproportionately
3.8% of crashes are speed-related. Boston has the highest rate at 5.9%.
14.6% of Drivers Flee the Scene
2,502 hit-and-run crashes across the metro. Cambridge leads at 30.9%.
The Most Vulnerable on Metro Streets
544 pedestrian crashes and 484 cyclist crashes across the metro in 2024.
Vision Zero Boston: Progress Toward Zero
Boston adopted Vision Zero Boston in 2015, setting a target of 0 traffic fatalities by 2030. The baseline was 29 fatalities in 2015.
Where This Data Comes From
MassDOT IMPACT →
Vision Zero Boston →
MassDOT Highway →