Monthly Traffic Safety Analysis

69 CRASHES IN
MILTON, MA
JUNE 2023

All metrics benchmarked againstJune 2022

In June 2023, Milton experienced 69 total crashes, a slight decrease from the 70 crashes recorded in June 2022, representing a 1.43% reduction. A significant positive shift was observed in crash outcomes, with zero fatalities reported in the current period compared to one fatality in the prior year.

69

-1.4%was 70

Total Crash Events

0

-100.0%was 1

Persons Killed

31

-8.8%was 34

Persons Injured

8

33.3%was 6

Hit-and-Run Crashes

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. 2 crashes with unreported severity are not shown in the severity breakdown.

Source: Massachusetts Crash Data (MassDOT CDV) · Arcgis_yearly Open Data · 2023-06-01 to 2023-06-30 · Aggregate counts from crash, person, and vehicle records

Trend Summary

Overall, crash activity in Milton showed a slight downward trend year-over-year, with total crashes decreasing by 1.43% from 70 in June 2022 to 69 in June 2023. Fatalities saw a notable decrease, dropping from 1 in the prior period to 0 in the current period, while total injuries also decreased from 34 to 31.

8

Hit-and-Run Crashes — June 2023

33.3% vs prior (6)

Hit-and-run crashes increased from 6 in June 2022 to 8 in June 2023. This change resulted in the hit-and-run rate rising from 8.6% in the prior period to 11.6% in the current period, indicating an upward trend.

Vulnerable Road User Casualties

0

Cyclists Killed

Prior: 00.0%

0

Motorists Killed

Prior: 1-100.0%

3

Cyclists Injured

Prior: 0%

28

Motorists Injured

Prior: 34-17.6%

Source: Massachusetts Crash Data (MassDOT CDV) · Arcgis_yearly Open Data · 2023-06-01 to 2023-06-30 · Mode classified from person records (driver/passenger → motorist; pedestrian; bicyclist → cyclist; in-line skater / unspecified → other)

When Crashes Happen

The peak day for crashes remained Friday in both periods, though the count decreased from 16 in June 2022 to 13 in June 2023. The peak crash hour shifted slightly from 3 PM with 9 crashes in June 2022 to 4 PM with 8 crashes in June 2023.

Source: Massachusetts Crash Data (MassDOT CDV) · Arcgis_yearly Open Data · 2023-06-01 to 2023-06-30 · Crash date field aggregated by weekday

Source: Massachusetts Crash Data (MassDOT CDV) · Arcgis_yearly Open Data · 2023-06-01 to 2023-06-30 · Crash time field aggregated by hour (0-23)

Crash Severity Breakdown

A significant improvement was observed in crash severity, with the fatal crash rate dropping from 1.43% in June 2022 to 0% in June 2023. While crashes resulting in minor injuries increased from 20% to 29% of all crashes, possible injury crashes decreased from 12.9% to 5.8%.

Outcome by Severity (Crash Events)

Minor Injury20minor injury crashes29%
42.9%prior 14
Possible Injury4possible injury crashes5.8%
-55.6%prior 9
No Injury43no injury crashes62.3%
7.5%prior 40

Source: Massachusetts Crash Data (MassDOT CDV) · Arcgis_yearly Open Data · 2023-06-01 to 2023-06-30 · KABCO injury classification scale

Severity Distribution (Crash Events)

Source: Massachusetts Crash Data (MassDOT CDV) · Arcgis_yearly Open Data · 2023-06-01 to 2023-06-30 · Most severe injury per crash record

Top Contributing Factors

Among contributing factors, 'Followed too closely' crashes increased from 11 in June 2022 to 16 in June 2023, while 'Inattention' crashes decreased from 11 to 4. 'Failed to yield right of way' crashes also rose from 7 to 10. The number of crashes attributed to 'Exceeded authorized speed limit' increased from 1 to 3.

Officer-Reported Primary Contributing Cause

No improper driving17 (24.6%)-5.6%prior 18
Followed too closely16 (23.2%)45.5%prior 11
Failed to yield right of way10 (14.5%)42.9%prior 7
Inattention4 (5.8%)-63.6%prior 11
Failure to keep in proper lane or running off road3 (4.3%)
Exceeded authorized speed limit3 (4.3%)
Disregarded traffic signs, signals, road markings2 (2.9%)-60.0%prior 5
Driving too fast for conditions2 (2.9%)
Distracted2 (2.9%)
Operating defective equipment1 (1.4%)

Source: Massachusetts Crash Data (MassDOT CDV) · Arcgis_yearly Open Data · 2023-06-01 to 2023-06-30 · Officer-reported primary contributory cause per crash

Road & Environmental Conditions

Crashes occurring in clear weather conditions decreased from 58 in June 2022 to 48 in June 2023, while crashes in rainy or cloudy conditions increased from 12 to 20. The proportion of crashes on wet road surfaces notably rose from 11.4% in the prior period to 25.4% in the current period. The number of crashes in daylight decreased from 54 to 51, while those in dark conditions (lighted roadway) increased from 11 to 14.

Weather

Clear29 (42.6%)
-17.1%prior 35
Clear/Clear16 (23.5%)
-30.4%prior 23
Rain9 (13.2%)
Cloudy/Cloudy4 (5.9%)
Cloudy3 (4.4%)
-57.1%prior 7
Rain/Cloudy3 (4.4%)
Cloudy/Clear2 (2.9%)
Cloudy/Rain1 (1.5%)
Clear/Rain1 (1.5%)

Source: Massachusetts Crash Data (MassDOT CDV) · Arcgis_yearly Open Data · 2023-06-01 to 2023-06-30 · Weather condition at time of crash

Lighting

Daylight51 (75.0%)
-5.6%prior 54
Dark - lighted roadway14 (20.6%)
27.3%prior 11
Dusk2 (2.9%)
Dawn1 (1.5%)

Source: Massachusetts Crash Data (MassDOT CDV) · Arcgis_yearly Open Data · 2023-06-01 to 2023-06-30 · Lighting condition field

Road Surface

Dry50 (74.6%)
-19.4%prior 62
Wet17 (25.4%)
112.5%prior 8

Source: Massachusetts Crash Data (MassDOT CDV) · Arcgis_yearly Open Data · 2023-06-01 to 2023-06-30 · Road surface condition field

Vehicles & Demographics

The age distribution of persons involved in crashes saw shifts, with a notable increase in the 26-34 age group, rising from 29 in June 2022 to 42 in June 2023. The 45-54 age group also increased from 15 to 27, while the 21-25 age group decreased significantly from 32 to 20. Toyota remained the most involved vehicle make, increasing from 26 to 29, while Ford and Nissan saw decreases in involvement from 19 to 7 and 16 to 9, respectively.

Top Vehicle Makes (134 vehicles)

1
TOYOTA29 (21.6%)
11.5%prior 26
2
HONDA18 (13.4%)
-14.3%prior 21
3
NISSAN9 (6.7%)
-43.8%prior 16
4
SUBARU7 (5.2%)
5
JEEP7 (5.2%)
40.0%prior 5
6
CHEVROLET7 (5.2%)
-46.2%prior 13
7
FORD7 (5.2%)
-63.2%prior 19
8
HYUNDAI4 (3%)
9
VOLVO3 (2.2%)
10
BMW3 (2.2%)

Source: Massachusetts Crash Data (MassDOT CDV) · Arcgis_yearly Open Data · 2023-06-01 to 2023-06-30 · Vehicle unit records

9 persons with unknown or unrecorded age excluded from age chart.

Sex Distribution (154 persons with recorded sex)

Male83 (53.9%)
-6.7%prior 89
Female71 (46.1%)
9.2%prior 65

Source: Massachusetts Crash Data (MassDOT CDV) · Arcgis_yearly Open Data · 2023-06-01 to 2023-06-30 · Person-level records linked to crash events

Speed Limit Zones

Crashes in the 30 mph speed zone decreased from 19 in June 2022 to 11 in June 2023, and crashes in the 35 mph zone also decreased from 18 to 8. Conversely, crashes in the 55 mph speed zone increased from 16 to 24. Notably, the single fatality recorded in June 2022 occurred in a 35 mph speed zone, with no fatalities reported in any speed zone in June 2023.

Source: Massachusetts Crash Data (MassDOT CDV) · Arcgis_yearly Open Data · 2023-06-01 to 2023-06-30 · 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: 2023-06-01 through 2023-06-30
  • Report generated: June 21, 2026

Data Coverage

  • Reporting period: 2023-06-01 through 2023-06-30 (30 days)
  • Geographic scope: MILTON, MA
  • Total crash records analyzed: 69
  • Total persons involved: 169
  • Total vehicles involved: 134

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). "MILTON, MA Crash Intelligence Report: June 2023." Published June 21, 2026. Reporting period: 2023-06-01 to 2023-06-30. Data source: Massachusetts Crash Data (MassDOT CDV), Arcgis_yearly Open Data. Available at: https://thatcarhitme.com/crash-data/massachusetts/milton/june-2023-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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Milton, MA Crash Report — June 2023 | ThatCarHitMe.com