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State Route 3
Fatal crashes 2015–2024 34Deaths 34Counties 4Latest data year 2024
FARS data are based on police crash reports and other sources; the drunk-driving measure is based on the highest BAC of any driver in the crash. Latest data year: 2024. The route is the trafficway recorded for each crash (FARS TWAY_ID); the same route number in another state has its own page.
Between 2015 and 2024, FARS records 34 fatal crashes on State Route 3 in Massachusetts, with 34 deaths.
That is 1% of the 3,483 fatal crashes in Massachusetts over the same years. The ten-year crash count was about level between 2005–2014 (35) and 2015–2024 (34).
The crashes were concentrated in Plymouth County (22), Norfolk County (10) and Barnstable County (1) and 1 other county.
35.3% of the crashes had a driver reported as drinking (Massachusetts: 29.7%) and 32.4% had a speeding-related driver (29.2%); pedestrians were 11.8% and motorcyclists 8.8% of those killed.
Fatal crashes per year
Route identification in FARS is consistent from 2000; earlier years are not shown. Shaded band: the ten-year window used for the shares below.
Compared with all fatal crashes in Massachusetts
| Measure | State Route 3 | Massachusetts |
|---|---|---|
| Fatal crashes, 2015–2024 | 34 | 3,483 |
| Deaths, 2015–2024 | 34 | 3,665 |
| Deaths per fatal crash | 1.0 | 1.1 |
| Share of state fatal crashes | 1% | 100% |
| Change vs previous ten years | -3% | -3% |
Factor shares
Counties along the route
| # | County | Fatal crashes on SR-3 | Share of route | County total, all roads |
|---|---|---|---|---|
| 1 | Plymouth County | 22 | 65% | 349 |
| 2 | Norfolk County | 10 | 29% | 350 |
| 3 | Barnstable County | 1 | 3% | 132 |
| 4 | Middlesex County | 1 | 3% | 499 |
Hour of day
Share of fatal crashes on State Route 3 beginning in each hour, 2015–2024; tick marks the Massachusetts share for all roads.
Where along the route
| Mile marker range | Fatal crashes | Share |
|---|---|---|
| Mile 35–40 | 6 | 18% |
| Mile 20–25 | 2 | 6% |
| Mile 50–55 | 2 | 6% |
| Mile 65–70 | 2 | 6% |
| Mile 0–5 | 1 | 3% |
| Mile 10–15 | 1 | 3% |
Five-mile bins by FARS milepoint, the six with the most fatal crashes; 58.8% of crashes on the route have a milepoint. Milepoints are as recorded by the state and can restart at county or district lines.
Other routes in Massachusetts
- Interstate 495 148
- Interstate 95 88
- Interstate 90 83
- Interstate 93 77
- US Route 20 74
- State Route 28 72
- State Route 24 58
- Interstate 195 51
- State Route 9 48
- US Route 6 48
- US Route 1 45
- State Route 140 44
All routes and counties in Massachusetts
Questions and answers
How many fatal crashes have there been on State Route 3 in Massachusetts?
34 fatal crashes with 34 deaths over 2015–2024, per NHTSA's FARS. The route is the trafficway recorded for the crash; the same numbered route in another state has its own page.
Which counties along State Route 3 had the most fatal crashes?
Plymouth County (22), Norfolk County (10), Barnstable County (1) and Middlesex County (1).
What share of crashes on State Route 3 involved alcohol or speeding?
35.3% had a driver reported as drinking and 32.4% a speeding-related driver, against 29.7% and 29.2% for all fatal crashes in Massachusetts.
When do fatal crashes happen on State Route 3?
61.8% of the crashes were between 6pm and 6am. The hour chart on this page shows the full distribution.
Provenance
Source: NHTSA Fatality Analysis Reporting System, annual national CSV files 2000–2024 (accident, vehicle and person tables), public domain. Route pages are built for signed Interstate, US and state routes with at least 20 fatal crashes in 2015–2024. Data through 31 Dec 2024; generated 30 Sep 2026. See methodology and corrections.