# Counties in Massachusetts by traffic fatalities, 2024

All 14 values come from National Highway Traffic Safety Administration for 2024, so the places are comparable.

- Indicator id: `traffic_fatalities`
- Unit: count
- Definition: People killed in motor vehicle traffic crashes during the year. FARS counts people who die within 30 days of a crash involving a motor vehicle travelling on a public road, by the place of the crash, not of residence.
- Source: National Highway Traffic Safety Administration, Fatality Analysis Reporting System (FARS), national CSV files: people killed (sum of FATALS in accident.csv) by county of the crash (https://static.nhtsa.gov/nhtsa/downloads/FARS/2024/National/FARS2024NationalCSV.zip)
- Publisher page: https://invokely.ai/en/publishers/national-highway-traffic-safety-administration
- Retrieved: 2026-10-12
- Citation: National Highway Traffic Safety Administration (NHTSA), Fatality Analysis Reporting System. Fatality Analysis Reporting System (FARS), national CSV files: people killed (sum of FATALS in accident.csv) by county of the crash. https://static.nhtsa.gov/nhtsa/downloads/FARS/2024/National/FARS2024NationalCSV.zip. Retrieved 2026-10-12.
- Web page: https://invokely.ai/rankings/traffic-fatalities/massachusetts-counties

| Rank | Place | count |
|---:|---|---:|
| 1 | Middlesex County | 55 |
| 2 | Worcester County | 49 |
| 3 | Plymouth County | 40 |
| 4 | Norfolk County | 37 |
| 5 | Bristol County | 35 |
| 5 | Hampden County | 35 |
| 7 | Suffolk County | 33 |
| 8 | Essex County | 29 |
| 9 | Barnstable County | 13 |
| 9 | Berkshire County | 13 |
| 9 | Hampshire County | 13 |
| 12 | Franklin County | 8 |
| 13 | Dukes County | 2 |
| 14 | Nantucket County | 1 |