Fatal crashes in Norfolk County, Massachusetts
In 2024, 37 people died in 36 fatal crashes in Norfolk County, the same as in 2023. From 2015 to 2024 the county recorded 350 fatal crashes and 368 deaths, the 5th most of any county in Massachusetts.
5 deaths per 100,000 residents, against 5.1 across Massachusetts in 2024; 5.1 against 5.3 a year over 2015 to 2024. Population 740,754, Census Bureau estimate. All fatal crashes in Massachusetts.
Deaths in Norfolk County by year
| Year | Fatal crashes | Deaths |
|---|---|---|
| 2024 | 36 | 37 |
| 2023 | 36 | 37 |
| 2022 | 43 | 43 |
| 2021 | 35 | 37 |
| 2020 | 40 | 44 |
| 2019 | 29 | 31 |
| 2018 | 34 | 38 |
| 2017 | 31 | 32 |
| 2016 | 29 | 31 |
| 2015 | 37 | 38 |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
The deadliest roads in Norfolk County
I-95 had the most fatal crashes of any numbered road in Norfolk County from 2015 to 2024: 33, with 35 deaths. The 15 roads listed held 50% of all fatal crashes in Norfolk County from 2015 to 2024; 3 are interstates, 1 US route, 11 state highways. Interstate, US and state routes with 5 or more fatal crashes in the county; county roads and city streets are in the county's total but not listed.
| Road | Fatal crashes | Deaths | 2022 to 2024 | ||
|---|---|---|---|---|---|
| 1 | I-95 | 33 | 35 | 13 | |
| 2 | State Highway 24 | 17 | 17 | 6 | |
| 3 | I-495 | 16 | 16 | 8 | |
| 4 | US 1 | 15 | 15 | 7 | |
| 5 | I-93 | 14 | 14 | 4 | |
| 6 | State Highway 109 | 13 | 14 | 3 | no page |
| 7 | State Highway 28 | 12 | 14 | 5 | |
| 8 | State Highway 3 | 10 | 10 | 5 | |
| 9 | State Highway 138 | 8 | 10 | 2 | no page |
| 10 | State Highway 1A | 7 | 9 | 1 | no page |
| 11 | State Highway 140 | 7 | 7 | 4 | |
| 12 | State Highway 53 | 7 | 7 | 1 | no page |
| 13 | State Highway 139 | 6 | 6 | 2 | no page |
| 14 | State Highway 27 | 5 | 5 | 2 | no page |
| 15 | State Highway 37 | 5 | 5 | 1 | no page |
Cities NHTSA filed, with their fatal crashes from 2015 to 2024: Quincy 50, Weymouth 28, Milton 20, Randolph 16, Foxboro 16, Sharon 16, Stoughton 16, Dedham 15. The city is not filed for crashes outside a city.
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
When fatal crashes happen in Norfolk County
The heaviest slot is Sunday, 4 to 8 pm, with 17 fatal crashes from 2015 to 2024. The worst hour is 5 pm to 6 pm; the worst month is December.
| Midnight to 4 | 4 to 8 am | 8 to noon | Noon to 4 | 4 to 8 pm | 8 to midnight | |
|---|---|---|---|---|---|---|
| Sun | 4.3 percent, 15 fatal crashes | 1.7 percent, 6 fatal crashes | 0.3 percent, 1 fatal crashes | 3.2 percent, 11 fatal crashes | 4.9 percent, 17 fatal crashes | 3.2 percent, 11 fatal crashes |
| Mon | 0.9 percent, 3 fatal crashes | 0.9 percent, 3 fatal crashes | 1.4 percent, 5 fatal crashes | 1.2 percent, 4 fatal crashes | 4.6 percent, 16 fatal crashes | 3.2 percent, 11 fatal crashes |
| Tue | 0.9 percent, 3 fatal crashes | 0.6 percent, 2 fatal crashes | 2.3 percent, 8 fatal crashes | 3.8 percent, 13 fatal crashes | 2.9 percent, 10 fatal crashes | 1.4 percent, 5 fatal crashes |
| Wed | 1.2 percent, 4 fatal crashes | 2.3 percent, 8 fatal crashes | 1.4 percent, 5 fatal crashes | 2.0 percent, 7 fatal crashes | 3.2 percent, 11 fatal crashes | 1.4 percent, 5 fatal crashes |
| Thu | 1.7 percent, 6 fatal crashes | 0.9 percent, 3 fatal crashes | 1.4 percent, 5 fatal crashes | 1.4 percent, 5 fatal crashes | 4.0 percent, 14 fatal crashes | 1.2 percent, 4 fatal crashes |
| Fri | 2.3 percent, 8 fatal crashes | 1.7 percent, 6 fatal crashes | 4.3 percent, 15 fatal crashes | 4.3 percent, 15 fatal crashes | 2.6 percent, 9 fatal crashes | 4.9 percent, 17 fatal crashes |
| Sat | 3.8 percent, 13 fatal crashes | 2.0 percent, 7 fatal crashes | 2.0 percent, 7 fatal crashes | 3.2 percent, 11 fatal crashes | 1.7 percent, 6 fatal crashes | 3.2 percent, 11 fatal crashes |
By hour
By month
- Jan7.4%
- Feb8.6%
- Mar8.9%
- Apr7.7%
- May4.6%
- Jun9.7%
- Jul8.6%
- Aug10.0%
- Sep5.4%
- Oct9.1%
- Nov9.7%
- Dec10.3%
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
What fatal crashes in Norfolk County first hit
The first harmful event was a collision with another vehicle in 36%; a fixed object such as a tree, pole or barrier in 30%, a pedestrian in 23%, a rollover in 2.3%.
| First harmful event | Fatal crashes | Share |
|---|---|---|
| Collision with another vehicle | 127 | 36% |
| Fixed object (tree, pole, barrier, ditch) | 105 | 30% |
| Pedestrian | 82 | 23% |
| Other | 16 | 4.6% |
| Rollover | 8 | 2.3% |
| Parked vehicle | 7 | 2.0% |
| Cyclist | 5 | 1.4% |
| Not reported | 0 | 0.0% |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
How fatal crashes in Norfolk County compare with Massachusetts
A drinking driver was recorded in 27% of fatal crashes in Norfolk County from 2015 to 2024, below the Massachusetts share of 30%; speeding in 31%, above the Massachusetts share of 29%; a hit-and-run in 3.7%, below the Massachusetts share of 4.9%; a driver recorded as distracted in 13%, above the Massachusetts share of 12%; 62% of passenger-vehicle occupants killed with belt use known were unbelted, about the Massachusetts share. Shares of fatal crashes from 2015 to 2024, against the share across all of Massachusetts. A share is only given over 20 crashes.
| Norfolk | Massachusetts | ||
|---|---|---|---|
| On rural roads | 0.6% | 6.6% | below the Massachusetts share |
| At or near an intersection | 28% | 26% | above the Massachusetts share |
| In the dark, road unlit | 22% | 19% | above the Massachusetts share |
| A drinking driver | 27% | 30% | below the Massachusetts share |
| Speeding | 31% | 29% | above the Massachusetts share |
| A distracted driver (as recorded) | 13% | 12% | above the Massachusetts share |
| Occupants killed unbelted | 62% | 62% | about the same as the Massachusetts share |
| Hit-and-run | 3.7% | 4.9% | below the Massachusetts share |
| A motorcycle involved | 13% | 16% | below the Massachusetts share |
| Pedestrians among the dead | 24% | 20% | above the Massachusetts share |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
Questions about fatal crashes in Norfolk County
- How many people died in car accidents in Norfolk County in 2024?
- 37 people died in 36 fatal crashes in Norfolk County, Massachusetts, in 2024, the same as in 2023. That is 5 deaths per 100,000 residents, against 5.1 across Massachusetts.
- What is the deadliest road in Norfolk County?
- I-95 had the most fatal crashes of any numbered road in Norfolk County from 2015 to 2024: 33, with 35 deaths.
- When do fatal crashes in Norfolk County happen most often?
- The heaviest slot from 2015 to 2024 was Sunday, 4 to 8 pm, with 17 fatal crashes.
- How many fatal crashes in Norfolk County involved a drinking driver?
- 96 of 350 fatal crashes in Norfolk County from 2015 to 2024 involved a driver NHTSA recorded as drinking, 27%, against 30% across Massachusetts.
Other counties in Massachusetts with a page
- Middlesex County
- Worcester County
- Bristol County
- Hampden County
- Plymouth County
- Essex County
- Suffolk County
- Barnstable County
- Berkshire County
- Hampshire County
- Franklin County
All fatal crashes in Massachusetts, with every county ranked.
Where the Norfolk County numbers come from
Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash NHTSA filed in Norfolk County (county code 21). A fatal crash is one in which someone died within 30 days. The rate per 100,000 uses the Census Bureau's population estimate for the county; it is the only figure here not counted from FARS. The full method.