Monthly Traffic Safety Analysis

3 CRASHES IN
STOW, MA
APRIL 2025

All metrics benchmarked againstApril 2024

In April 2025, STOW recorded 3 total crashes, a 40% decrease compared to the 5 crashes reported in April 2024. Total injuries remained stable at 3 in both periods, and no fatalities were reported in either year. The most notable shift was the reduction in overall crash incidents.

3

-40.0%was 5

Total Crash Events

0

Persons Killed

3

Persons Injured

0

Fatal Crash Events

Note: "Persons Killed" (0) counts individual fatalities across all crash events. "Fatal" in the severity table below (0) counts crash events where at least one fatality occurred. A single crash can result in multiple fatalities.

Source: Massachusetts Crash Data (MassDOT CDV) · Arcgis_yearly Open Data · 2025-04-01 to 2025-04-30 · Aggregate counts from crash, person, and vehicle records

Trend Summary

Overall crash incidents in STOW decreased year-over-year, with a 40% reduction from 5 crashes in April 2024 to 3 crashes in April 2025. Despite this decrease in crash count, the total number of injuries remained stable at 3 across both periods. Fatalities remained at zero in both April 2024 and April 2025.

Vulnerable Road User Casualties

0

Motorists Killed

Prior: 00.0%

3

Motorists Injured

Prior: 30.0%

Source: Massachusetts Crash Data (MassDOT CDV) · Arcgis_yearly Open Data · 2025-04-01 to 2025-04-30 · Mode classified from person records (driver/passenger → motorist; pedestrian; bicyclist → cyclist; in-line skater / unspecified → other)

When Crashes Happen

The temporal patterns of crashes shifted year-over-year. In April 2025, crashes were evenly distributed across Sunday, Wednesday, and Thursday with one crash each, while April 2024 saw a peak on Saturday with 2 crashes. The peak crash hour also changed, with April 2025 experiencing a peak at 1 PM (1 crash), compared to April 2024's peak at 5 AM (2 crashes).

Source: Massachusetts Crash Data (MassDOT CDV) · Arcgis_yearly Open Data · 2025-04-01 to 2025-04-30 · Crash date field aggregated by weekday

Source: Massachusetts Crash Data (MassDOT CDV) · Arcgis_yearly Open Data · 2025-04-01 to 2025-04-30 · Crash time field aggregated by hour (0-23)

Crash Severity Breakdown

The severity distribution of crashes saw shifts despite no fatalities in either period. In April 2025, possible injury crashes accounted for 66.7% (2 crashes) of the total, an increase from 60% (3 crashes) in April 2024. Conversely, no injury crashes decreased from 40% (2 crashes) in April 2024 to 33.3% (1 crash) in April 2025.

Outcome by Severity (Crash Events)

Possible Injury2possible injury crashes66.7%
-33.3%prior 3
No Injury1no injury crashes33.3%
-50.0%prior 2

Source: Massachusetts Crash Data (MassDOT CDV) · Arcgis_yearly Open Data · 2025-04-01 to 2025-04-30 · KABCO injury classification scale

Severity Distribution (Crash Events)

Source: Massachusetts Crash Data (MassDOT CDV) · Arcgis_yearly Open Data · 2025-04-01 to 2025-04-30 · Most severe injury per crash record

Top Contributing Factors

Contributing factors varied significantly between the two periods. "Failure to keep in proper lane or running off road" remained consistent with 1 crash in both April 2024 and April 2025. Factors like "Driving too fast for conditions," "Followed too closely," and "Inattention," each contributing to 1 crash in April 2024, were not observed in April 2025. Conversely, "No improper driving" was a contributing factor in 1 crash in April 2025, but not in the prior period.

Officer-Reported Primary Contributing Cause

Failure to keep in proper lane or running off road1 (33.3%)
No improper driving1 (33.3%)

Source: Massachusetts Crash Data (MassDOT CDV) · Arcgis_yearly Open Data · 2025-04-01 to 2025-04-30 · Officer-reported primary contributory cause per crash

Road & Environmental Conditions

Weather conditions for crashes in April 2025 included 1 crash each in Clear, Rain, and Rain/Cloudy conditions, showing a more varied distribution compared to April 2024, which had 2 crashes in Clear and 2 in Cloudy/Rain conditions. Lighting conditions in April 2025 were predominantly Daylight (2 crashes), with 1 crash in Dark - lighted roadway, a shift from April 2024 where Dark - lighted roadway was the most frequent (2 crashes). Road surface conditions in April 2025 showed 2 crashes on Wet surfaces and 1 on Dry, while April 2024 had 2 crashes on Dry and 2 on Wet surfaces.

Weather

Clear1 (33.3%)
Rain1 (33.3%)
Rain/Cloudy1 (33.3%)

Source: Massachusetts Crash Data (MassDOT CDV) · Arcgis_yearly Open Data · 2025-04-01 to 2025-04-30 · Weather condition at time of crash

Lighting

Daylight2 (66.7%)
Dark - lighted roadway1 (33.3%)

Source: Massachusetts Crash Data (MassDOT CDV) · Arcgis_yearly Open Data · 2025-04-01 to 2025-04-30 · Lighting condition field

Road Surface

Wet2 (66.7%)
Dry1 (33.3%)

Source: Massachusetts Crash Data (MassDOT CDV) · Arcgis_yearly Open Data · 2025-04-01 to 2025-04-30 · Road surface condition field

Vehicles & Demographics

Top Vehicle Makes (4 vehicles)

1
HONDA1 (25%)
2
LEXUS1 (25%)
3
MAZDA1 (25%)
4
TOYOTA1 (25%)

Source: Massachusetts Crash Data (MassDOT CDV) · Arcgis_yearly Open Data · 2025-04-01 to 2025-04-30 · Vehicle unit records

Sex Distribution (6 persons with recorded sex)

Male4 (66.7%)
100.0%prior 2
Female2 (33.3%)
-66.7%prior 6

Source: Massachusetts Crash Data (MassDOT CDV) · Arcgis_yearly Open Data · 2025-04-01 to 2025-04-30 · Person-level records linked to crash events

Speed Limit Zones

The distribution of crashes by speed zone shifted year-over-year. In April 2025, crashes occurred in 25 mph (2 crashes) and 40 mph (1 crash) zones, whereas April 2024 saw crashes in 5 mph (1 crash), 35 mph (2 crashes), and 40 mph (2 crashes) zones. Crashes in the 40 mph zone decreased from 2 in April 2024 to 1 in April 2025, while 25 mph zones appeared in April 2025 with 2 crashes. No fatalities were recorded in any speed zone for either period.

Source: Massachusetts Crash Data (MassDOT CDV) · Arcgis_yearly Open Data · 2025-04-01 to 2025-04-30 · Posted speed limit at crash location

Data Sources & Methodology

Primary Data Source

All crash data in this report is sourced from Massachusetts Crash Data (MassDOT CDV), accessed programmatically via the Arcgis_yearly Open Data API (SODA). This dataset contains official police-reported motor vehicle traffic crash records maintained by the reporting jurisdiction's law enforcement agency. Records are published to the open data portal by the municipality and are subject to the portal's terms of use.

Data Retrieval

  • Access method: Arcgis_yearly Open Data API (SoQL queries)
  • Data format: Structured JSON via REST API
  • Record types queried: Crash events, person records, and vehicle unit records
  • Date filter applied: 2025-04-01 through 2025-04-30
  • Report generated: June 21, 2026

Data Coverage

  • Reporting period: 2025-04-01 through 2025-04-30 (30 days)
  • Geographic scope: STOW, MA
  • Total crash records analyzed: 3
  • Total persons involved: 7
  • Total vehicles involved: 4

Analytical Methodology

  • Severity classification: Uses the KABCO injury scale (K=Fatal, A=Incapacitating injury, B=Non-incapacitating injury, C=Possible injury, O=No injury/property damage only), the standard classification in U.S. Model Minimum Uniform Crash Criteria (MMUCC). Severity is assigned per crash event based on the most severe injury in that crash. A single fatal crash (K) may involve multiple fatalities; therefore the "Persons Killed" count in the headline KPIs may differ from the "Fatal" crash count in the severity breakdown.
  • Contributing factors: Reflect the officer-determined primary contributory cause recorded at the time of the crash report. These are preliminary determinations and may not reflect final investigation findings.
  • Hit-and-run classification: Based on the hit-and-run indicator field in the official crash report, as determined by the responding officer at the scene.
  • Temporal analysis: Day-of-week and hour-of-day distributions are computed from the crash date/time timestamp in each record.
  • Demographics: Age and sex distributions are drawn from person-level records linked to each crash event. A single crash may involve multiple persons.
  • Vehicle data: Make information is drawn from vehicle unit records linked to each crash event.
  • AI commentary: Narrative sections are generated by Google Gemini (large language model) based on the structured data. Commentary is descriptive, not predictive, and should not be interpreted as expert opinion.

Limitations & Disclaimers

  • Only crashes reported to and documented by law enforcement are included. Minor incidents, unreported crashes, and near-misses are not captured in this dataset.
  • Data reflects conditions at the time of the initial police report and may be subject to subsequent corrections, reclassifications, or supplements by the reporting agency.
  • Open data portal records may experience a publication lag - recently occurring crashes may not yet appear in the dataset at the time of report generation.
  • AI-generated commentary is produced by a large language model and is intended to highlight patterns in the data. It does not constitute legal, medical, or professional analysis.
  • Percentages are calculated from reported data and are subject to rounding.

Non-Affiliation Disclosure

This report is produced independently by ThatCarHitMe.com (Injuria.ai). It is not affiliated with, endorsed by, or produced in partnership with any law enforcement agency, municipal government, state department of transportation, or the National Highway Traffic Safety Administration (NHTSA). Data is sourced from publicly available government open data portals.

Data License

The underlying crash data is provided under the municipality's Open Data Terms of Use and is made available to the public for unrestricted use. This analysis and report is © 2026 Injuria.ai and may be cited with attribution using the suggested citation below.

Corrections & Feedback

If you believe any data in this report is inaccurate or have questions about our methodology, please contact: data@injuria.ai. We are committed to accuracy and will issue corrections promptly.

Suggested Citation

ThatCarHitMe.com (Injuria.ai). "STOW, MA Crash Intelligence Report: April 2025." Published June 21, 2026. Reporting period: 2025-04-01 to 2025-04-30. Data source: Massachusetts Crash Data (MassDOT CDV), Arcgis_yearly Open Data. Available at: https://thatcarhitme.com/crash-data/massachusetts/stow/april-2025-report

About the Publisher

ThatCarHitMe.com is a crash data intelligence platform developed by Injuria.ai, a legal technology company specializing in traffic safety analytics. We aggregate and analyze publicly available government crash data to produce structured intelligence reports for communities, researchers, journalists, and legal professionals. Our reports combine programmatic data retrieval from official open data portals with AI-assisted narrative analysis.

Questions about this report's data or methodology: data@injuria.ai

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Stow, MA Crash Report — April 2025 | ThatCarHitMe.com