US 1 in Massachusetts: fatal crashes
From 2015 to 2024, 45 fatal crashes on US 1 in Massachusetts killed 46 people, the 11th most of any numbered road in Massachusetts. In 2024 there were 10 fatal crashes and 10 deaths on the road.
An US route running through 5 counties of Massachusetts. All fatal crashes in Massachusetts.
Deaths on US 1 in Massachusetts by year
| Year | Fatal crashes | Deaths |
|---|---|---|
| 2024 | 10 | 10 |
| 2023 | 3 | 3 |
| 2022 | 4 | 4 |
| 2021 | 6 | 6 |
| 2020 | 5 | 5 |
| 2019 | 3 | 4 |
| 2018 | 2 | 2 |
| 2017 | 2 | 2 |
| 2016 | 4 | 4 |
| 2015 | 6 | 6 |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
Where on US 1 in Massachusetts: the counties with the most fatal crashes
Essex County County had the most fatal crashes on US 1 from 2015 to 2024: 22, with 23 deaths. Counties are listed from 5 fatal crashes.
| County | 2024 | 2015 to 2024 | Deaths | |
|---|---|---|---|---|
| 1 | Essex County | 3 | 22 | 23 |
| 2 | Norfolk County | 6 | 15 | 15 |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
When fatal crashes happen on US 1 in Massachusetts
Too few crashes to name a heaviest slot. The grid shows the shares; a share is only given over 20 crashes.
| Midnight to 4 | 4 to 8 am | 8 to noon | Noon to 4 | 4 to 8 pm | 8 to midnight | |
|---|---|---|---|---|---|---|
| Sun | 2.2 percent, 1 fatal crashes | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 2.2 percent, 1 fatal crashes | 4.4 percent, 2 fatal crashes | 4.4 percent, 2 fatal crashes |
| Mon | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 2.2 percent, 1 fatal crashes | 2.2 percent, 1 fatal crashes | 4.4 percent, 2 fatal crashes | 2.2 percent, 1 fatal crashes |
| Tue | 2.2 percent, 1 fatal crashes | 0.0 percent, 0 fatal crashes | 2.2 percent, 1 fatal crashes | 2.2 percent, 1 fatal crashes | 4.4 percent, 2 fatal crashes | 4.4 percent, 2 fatal crashes |
| Wed | 0.0 percent, 0 fatal crashes | 2.2 percent, 1 fatal crashes | 0.0 percent, 0 fatal crashes | 2.2 percent, 1 fatal crashes | 0.0 percent, 0 fatal crashes | 2.2 percent, 1 fatal crashes |
| Thu | 4.4 percent, 2 fatal crashes | 2.2 percent, 1 fatal crashes | 2.2 percent, 1 fatal crashes | 6.7 percent, 3 fatal crashes | 2.2 percent, 1 fatal crashes | 0.0 percent, 0 fatal crashes |
| Fri | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 4.4 percent, 2 fatal crashes | 2.2 percent, 1 fatal crashes | 4.4 percent, 2 fatal crashes | 2.2 percent, 1 fatal crashes |
| Sat | 4.4 percent, 2 fatal crashes | 2.2 percent, 1 fatal crashes | 4.4 percent, 2 fatal crashes | 4.4 percent, 2 fatal crashes | 4.4 percent, 2 fatal crashes | 2.2 percent, 1 fatal crashes |
By hour
By month
- Jan11.1%
- Feb6.7%
- Mar4.4%
- Apr11.1%
- May6.7%
- Jun6.7%
- Jul11.1%
- Aug15.6%
- Sep4.4%
- Oct11.1%
- Nov4.4%
- Dec6.7%
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
What fatal crashes on US 1 in Massachusetts first hit
The first harmful event was a collision with another vehicle in 47%; a fixed object such as a tree, pole or barrier in 33%, a pedestrian in 16%, a rollover in 2.2%.
| First harmful event | Fatal crashes | Share |
|---|---|---|
| Collision with another vehicle | 21 | 47% |
| Fixed object (tree, pole, barrier, ditch) | 15 | 33% |
| Pedestrian | 7 | 16% |
| Rollover | 1 | 2.2% |
| Parked vehicle | 1 | 2.2% |
| Cyclist | 0 | 0.0% |
| Other | 0 | 0.0% |
| 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 on US 1 in Massachusetts compare with the state
A drinking driver was recorded in 29% of fatal crashes in US 1 in Massachusetts from 2015 to 2024, about the Massachusetts share; speeding in 31%, above the Massachusetts share of 29%; a hit-and-run in 8.9%, above the Massachusetts share of 4.9%; 54% of passenger-vehicle occupants killed with belt use known were unbelted, below the Massachusetts share of 62%. Shares of fatal crashes from 2015 to 2024, against the share across all of Massachusetts. A share is only given over 20 crashes.
| US 1 | Massachusetts | ||
|---|---|---|---|
| On rural stretches | 2.2% | 6.6% | below the Massachusetts share |
| At or near an intersection | 20% | 26% | below the Massachusetts share |
| In the dark, road unlit | 22% | 19% | above the Massachusetts share |
| A drinking driver | 29% | 30% | about the same as the Massachusetts share |
| Speeding | 31% | 29% | above the Massachusetts share |
| Occupants killed unbelted | 54% | 62% | below the Massachusetts share |
| Hit-and-run | 8.9% | 4.9% | above the Massachusetts share |
| A motorcycle involved | 18% | 16% | above the Massachusetts share |
| Pedestrians among the dead | 15% | 20% | below 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 US 1 in Massachusetts
- How many fatal crashes have there been on US 1 in Massachusetts?
- 45 fatal crashes killed 46 people on US 1 in Massachusetts from 2015 to 2024. In 2024 there were 10 fatal crashes and 10 deaths.
- Where on US 1 in Massachusetts do the most fatal crashes happen?
- Essex County had the most fatal crashes on US 1 from 2015 to 2024: 22, with 23 deaths. Norfolk County was second with 15.
Other roads in Massachusetts with a page
- I-495
- I-90
- I-93
- I-95
- State Highway 140
- State Highway 24
- State Highway 28
- State Highway 3
- State Highway 9
- US 20
All fatal crashes in Massachusetts, with every road ranked.
Where the US 1 numbers come from
Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash whose road NHTSA filed as US 1 in Massachusetts (filed under 20 spellings, such as "US-1", "US-1 BOSTON PROVIDENCE TPKE", "US-1 BOSTON ST", "US-1 BRIDGE RD"). Ramps, frontage and service roads are left out. A fatal crash is one in which someone died within 30 days. The full method.