{"meta":{"dataset":"fatal-crashes","title":"Fatal crashes by county and type: trucks, motorcycles, pedestrians and bicyclists, NHTSA FARS 2019 to 2024","version":"1.0.0","doi":"10.5281/zenodo.23733739","doiUrl":"https://doi.org/10.5281/zenodo.23733739","conceptDoi":"10.5281/zenodo.23733738","license":"CC BY 4.0","licenseUrl":"https://creativecommons.org/licenses/by/4.0/","attribution":"Source: Probative, Fatal crashes by county and type: trucks, motorcycles, pedestrians and bicyclists, NHTSA FARS 2019 to 2024, version 1.0.0, https://doi.org/10.5281/zenodo.23733739, licensed CC BY 4.0.","citation":"Probative. (2026). Fatal crashes by county and type: trucks, motorcycles, pedestrians and bicyclists, NHTSA FARS 2019 to 2024 (Version 1.0.0) [Data set]. Zenodo. https://doi.org/10.5281/zenodo.23733739","disclaimer":"Not legal advice. These are counts from NHTSA's public crash census, kept for marketing planning. A county's count says nothing about who was at fault, and the newest year can change when NHTSA issues its final file.","notice":"Probative is a marketing firm, not a law firm; not legal advice.","lastChecked":"2026-10-27","url":"https://probativegrowth.com/data/v1/fatal-crashes/areas/25.json","humanUrl":"https://probativegrowth.com/research/fatal-crashes-by-county/","statusCodes":{"P":"primary source","S":"secondary source","D":"ABA model default","U":"open question"}},"key":"25","records":[{"id":"fatal-crashes:25","area":"25","areaName":"Massachusetts","areaType":"state","state":"MA","year":2024,"status":"P","text":"Massachusetts: 349 fatal crashes killed 363 people in 2024, including 76 pedestrians, 10 bicyclists and 70 motorcyclists; 29 of the crashes involved a large truck (NHTSA FARS, annual report file, can change in the final file).","value":349,"unit":"fatal crashes","fatal_crashes":349,"fatalities":363,"large_truck_crashes":29,"large_truck_deaths":31,"motorcycle_crashes":71,"motorcyclist_deaths":70,"pedestrian_crashes":76,"pedestrian_deaths":76,"bicyclist_crashes":10,"bicyclist_deaths":10,"alcohol_impaired_crashes":96,"alcohol_impaired_deaths":100,"speeding_crashes":96,"work_zone_crashes":7,"rural_crashes":28,"urban_crashes":320,"population":7138560,"fatal_crashes_per_100k":4.89,"fatalities_per_100k":5.09,"file_status":"annual report file","fatal_crashes_2019":323,"fatal_crashes_2020":327,"fatal_crashes_2021":393,"fatal_crashes_2022":413,"fatal_crashes_2023":324,"fatal_crashes_2024":349,"change_pct_since_2019":8,"final_through":2023,"yearFields":["fatal_crashes","fatalities","large_truck_crashes","large_truck_deaths","motorcycle_crashes","motorcyclist_deaths","pedestrian_crashes","pedestrian_deaths","bicyclist_crashes","bicyclist_deaths","alcohol_impaired_crashes","alcohol_impaired_deaths","speeding_crashes","work_zone_crashes","rural_crashes","urban_crashes","population","fatal_crashes_per_100k","fatalities_per_100k"],"years":{"2019":[323,336,29,31,45,46,77,77,5,5,105,112,76,7,24,299,6892503,4.69,4.87],"2020":[327,343,28,29,55,55,53,52,10,10,92,98,95,7,24,303,6985320,4.68,4.91],"2021":[393,413,34,35,73,75,75,74,5,5,145,153,124,5,25,368,6996721,5.62,5.9],"2022":[413,435,43,46,59,57,94,95,9,9,115,122,116,2,24,385,7025465,5.88,6.19],"2023":[324,342,25,25,59,60,66,67,8,8,101,112,122,6,15,309,7073479,4.58,4.83],"2024":[349,363,29,31,71,70,76,76,10,10,96,100,96,7,28,320,7138560,4.89,5.09]},"effectiveFrom":"2024-01-01","effectiveTo":"2024-12-31","sources":[{"label":"NHTSA FARS 2024 national CSV (annual report file); 2019-2023 for the trend","url":"https://static.nhtsa.gov/nhtsa/downloads/FARS/2024/National/FARS2024NationalCSV.zip","kind":"primary","accessed":"2026-10-27"},{"label":"Census Bureau county population estimates (Vintage 2025, Vintage 2019) and 2020 urban-rural classification","url":"https://www2.census.gov/programs-surveys/popest/datasets/2020-2025/counties/totals/co-est2025-alldata.csv","kind":"primary","accessed":"2026-10-27"}],"source":{"agency":"National Highway Traffic Safety Administration","file":"FARS2024NationalCSV.zip","table":"accident, vehicle, person, MIDRVACC","release":"FARS 2024 annual report file; 2019-2023 final files","vintage":"FARS 2019-2024","sha256":"5112727a8c0dc91ffee27ca05bddb073934f2d192ce4fae997da767dccdbe04f","url":"https://www.nhtsa.gov/research-data/fatality-analysis-reporting-system-fars","accessed":"2026-10-27"},"flags":{"suppressed":false,"noise":false,"preliminary":true,"moe":null},"lastChecked":"2026-10-27","note":"The newest year is NHTSA's first release and can change in the final file.","dataset":"fatal-crashes","confidence":"medium","confidenceBasis":"preliminary figure"}]}