Home / Massachusetts Crash Report / Chelmsford
Chelmsford Crash Report
Police-reported motor-vehicle crashes in Chelmsford over three complete years, drawn from the state's crash records. Totals, fatalities, bicyclist and pedestrian counts, and the city's most crash-prone roads.
Chelmsford totals, 2022 to 2024. Fatal, bicyclist, and pedestrian figures count crashes in which at least one such outcome or road user was involved.
Where Chelmsford ranks in Massachusetts
Rank among all 349 Massachusetts cities and towns in the crash record, 2022 to 2024. A lower number means more crashes of that type.
| Measure | Chelmsford | Statewide rank |
|---|---|---|
| Total crashes | 2,108 | 49th of 349 |
| Fatal crashes | 11 | 11th of 349 |
| Bicyclist crashes | 18 | 57th of 349 |
| Pedestrian crashes | 7 | 124th of 349 |
Reading the Chelmsford numbers
Over 2022 to 2024, Chelmsford recorded 2,108 police-reported crashes, of which 546 involved an injury and 11 were fatal. Its fatality rate of 5.2 fatal crashes per 1,000 crashes runs above the pattern for a city its size, which points to higher-severity crashes rather than simply more of them. Vulnerable road users account for a measurable share of the total: 18 crashes involved a bicyclist and 7 involved a pedestrian.
The single most crash-prone named road in the Chelmsford record is Interstate 495 N, with 37 crashes in the most recent year of data. The full list of the city's highest-crash roads appears below.
Most crash-prone roads in Chelmsford
Named roadways with the most crashes in Chelmsford, most recent year of record. Road names are reproduced from the MassDOT records and lightly formatted for readability.
| # | Road | Crashes |
|---|---|---|
| 1 | Interstate 495 N | 37 |
| 2 | Interstate 495 S | 19 |
| 3 | Route 3 US-3 S | 15 |
| 4 | Chelmsford St | 14 |
| 5 | Route 3 US-3 N | 12 |
| 6 | Drum Hill Rd | 10 |
| 7 | Littleton Rd | 10 |
| 8 | I-495 N | 9 |
What the fatality rate means
Chelmsford's fatality rate is 5.2 fatal crashes for every 1,000 crashes on record. In plain terms, out of every 1,000 reported crashes in Chelmsford, about 5.2 ended in a death. The rate lets you compare severity across cities of very different sizes, because it does not simply reward the city with the most traffic.
Source and data
Source: MassDOT IMPACT Crash Data Portal (Massachusetts RMV crash records), 2022 to 2024 data. Fatality context: NHTSA FARS. Analysis by Jim Glaser Law; not affiliated with or endorsed by MassDOT.
This report presents general public-record data and legal information, not legal advice, and does not create an attorney-client relationship. Massachusetts law is fact-specific; telephone Jim Glaser Law about your particular situation. Past results do not guarantee future outcomes. Attorney advertising under Mass. R. Prof. C. 7.1 to 7.5. Responsible attorney: Jim Glaser, admitted in MA only, of counsel to Keches Law. Principal office: 77 Pond St., Sharon, MA. Most cases referred to other jurisdictionally licensed lawyers for principal liability.