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CRASH INTELLIGENCE REPORT · DELAWARE, OH · 2021
Purpose: Machine-readable JSON endpoint for AI agents, LLMs, researchers, and programmatic consumers. Returns all underlying crash data and AI-generated commentary without HTML.
Authentication: None required. Public endpoint.
GET: https://thatcarhitme.com/api/crash-data/reports/data/ohio/delaware/2021-annual-report
Yearly Traffic Safety Analysis
865 CRASHES IN
DELAWARE, OH
2021
In 2021, Delaware experienced 865 crashes, resulting in 3 fatalities and 276 injuries. The most notable finding is that 'Following too Close / ACDA' was the leading contributing factor, accounting for 229 instances among identified factors.
865
Total Crash Events
3
Persons Killed
276
Persons Injured
14.7%
Hit-and-Run Rate
Note: "Persons Killed" (3) counts individual fatalities across all crash events. "Fatal" in the severity table below (3) counts crash events where at least one fatality occurred. A single crash can result in multiple fatalities.
Source: Ohio Crash Data (ODOT TIMS) · Csv Open Data · 2021-01-01 to 2021-12-31 · Aggregate counts from crash, person, and vehicle records
127
Hit-and-Run Crashes — 2021
In 2021, Delaware recorded 127 hit-and-run crashes, representing 14.7% of all crashes. This status is based on the initial determination by the responding officer.
Vulnerable Road User Casualties
In 2021, 3 motorists were killed and 269 motorists were injured in crashes in Delaware. While no pedestrians or cyclists were killed, 7 pedestrians were injured in crash incidents.
0
Pedestrians Killed
3
Motorists Killed
7
Pedestrians Injured
269
Motorists Injured
Source: Ohio Crash Data (ODOT TIMS) · Csv Open Data · 2021-01-01 to 2021-12-31 · Mode classified from person records (driver/passenger → motorist; pedestrian; bicyclist → cyclist; in-line skater / unspecified → other)
When Crashes Happen
Crashes in Delaware peaked on Fridays, with 155 incidents recorded, and the most frequent hour for crashes was 4 p.m., with 74 incidents. A significant majority of crashes, 651 out of 865, occurred during daylight hours, while 214 crashes happened during dark hours.
Source: Ohio Crash Data (ODOT TIMS) · Csv Open Data · 2021-01-01 to 2021-12-31 · Crash date field aggregated by weekday
Source: Ohio Crash Data (ODOT TIMS) · Csv Open Data · 2021-01-01 to 2021-12-31 · Crash time field aggregated by hour (0-23)
Crash Severity Breakdown
Of the 865 crashes in Delaware, 3 were fatal crashes, and 196 crashes resulted in some level of injury. Property-damage-only crashes, categorized as 'No Injury', constituted the largest share at 666 crashes, or 77% of the total. While 3 crashes were fatal, 3 persons were killed, and 276 persons sustained injuries across all crashes.
Outcome by Severity (Crash Events)
Source: Ohio Crash Data (ODOT TIMS) · Csv Open Data · 2021-01-01 to 2021-12-31 · KABCO injury classification scale
Severity Distribution (Crash Events)
Source: Ohio Crash Data (ODOT TIMS) · Csv Open Data · 2021-01-01 to 2021-12-31 · Most severe injury per crash record
Road & Environmental Conditions
The majority of crashes in Delaware occurred under optimal conditions, with 60.7% happening in clear weather, 78.0% on dry road surfaces, and 67.5% during daylight. Adverse conditions were also present in a notable number of crashes, with 77 crashes occurring in rain and 150 crashes on wet road surfaces.
Weather
Source: Ohio Crash Data (ODOT TIMS) · Csv Open Data · 2021-01-01 to 2021-12-31 · Weather condition at time of crash
Lighting
Source: Ohio Crash Data (ODOT TIMS) · Csv Open Data · 2021-01-01 to 2021-12-31 · Lighting condition field
Road Surface
Source: Ohio Crash Data (ODOT TIMS) · Csv Open Data · 2021-01-01 to 2021-12-31 · Road surface condition field
Vehicles & Demographics
Among persons involved in crashes, the age groups 16-20 and 26-34 were most represented, with 301 and 292 persons respectively. The most frequently involved vehicle makes were Ford with 218 vehicles, Honda with 203 vehicles, and Chevrolet with 201 vehicles.
Top Vehicle Makes (1,560 vehicles)
Source: Ohio Crash Data (ODOT TIMS) · Csv Open Data · 2021-01-01 to 2021-12-31 · Vehicle unit records
112 persons with unknown or unrecorded age excluded from age chart.
Sex Distribution (1,941 persons with recorded sex)
Source: Ohio Crash Data (ODOT TIMS) · Csv Open Data · 2021-01-01 to 2021-12-31 · Person-level records linked to crash events
Crash Location (First Harmful Event)
The majority of crashes, 729 out of 865 (84.3%), occurred on the roadway in Delaware. Crashes occurring off the primary travel lanes, including on the roadside, shoulder, or in the median, accounted for 79 incidents, indicating a run-off-road component in 9.1% of crashes.
Crash Location (First Harmful Event)
Source: Ohio Crash Data (ODOT TIMS) · Csv Open Data · 2021-01-01 to 2021-12-31 · Crash-level records
Driver Contributing Factor
The leading contributing factor identified in crashes was 'Following too Close / ACDA', accounting for 229 instances among vehicles. 'Failure to Yield' was the second most common factor with 122 instances, followed by 'Drove off Road' with 69 instances.
Driver Contributing Factor
Showing top 9 of 22 reported. 13 additional (103 total) not shown: Ran Stop Sign, Left of Center, Unsafe Speed, Swerving to Avoid, Improper Passing, Operating Defective Equipment, Improper Start From a Parked Position, Load shifting/Falling/Spilling, Stopped or Parked Illegally, Vision Obstruction, Improper Crossing, Opening Door into Roadway, Lying in Roadway.
Source: Ohio Crash Data (ODOT TIMS) · Csv Open Data · 2021-01-01 to 2021-12-31 · Vehicle unit records
Vulnerable Road Users & Motorcycles
A total of 12 crashes involved vulnerable road users, specifically pedestrians and bicyclists. These 12 crashes represent 1.4% of all crashes in Delaware.
Animal-Involved Crashes
There were 100 animal-strike crashes recorded in Delaware, representing 11.6% of all crashes. Of these, 94 incidents involved deer, while 6 involved other animals.
Impairment (Alcohol / Drugs)
A total of 41 crashes were identified as involving impaired driving, representing 4.7% of all crashes. These incidents included 28 related to alcohol, 8 to drugs, and 5 to both alcohol and drugs.
Driver Condition
Abnormal driver conditions were identified in 61 instances among drivers involved in crashes, representing 4.2% of all drivers. These included 30 instances of being 'Under the Influence of Medications / Drugs / Alcohol', 10 instances of drivers having 'Fell Asleep; Fainted; Fatigued; etc.', and 8 instances of drivers being 'Emotional'.
Driver Condition
Source: Ohio Crash Data (ODOT TIMS) · Csv Open Data · 2021-01-01 to 2021-12-31 · Person-level records linked to crash events
Driver Distraction
Driver distraction was identified in 76 instances among drivers involved in crashes, representing 5.3% of all drivers. The most frequent types of distraction were 'Other distraction inside the vehicle' with 36 instances and 'Other distraction outside the vehicle' with 16 instances.
Driver Distraction
Source: Ohio Crash Data (ODOT TIMS) · Csv Open Data · 2021-01-01 to 2021-12-31 · Person-level records linked to crash events
Road Alignment
Approximately 6.8% of crashes, totaling 59 incidents, occurred on curves in the roadway. Additionally, 10.4% of crashes, or 90 incidents, took place on roadway grades.
Road Alignment
Source: Ohio Crash Data (ODOT TIMS) · Csv Open Data · 2021-01-01 to 2021-12-31 · Crash-level records
Pre-Crash Driver Action
The most common pre-crash action for vehicles was 'Straight Ahead', accounting for 49.7% of vehicles involved. 'Slowing or Stopped In Traffic' was the second most frequent action at 20.3%, followed by 'Making Left Turn' at 7.6%.
Pre-Crash Driver Action
Showing top 9 of 15 reported. 6 additional (49 total) not shown: Negotiating a Curve, Leaving Traffic Lane, Overtaking/Passing, Making U-Turn, Walking; Running; Jogging; Playing, Other Non-Motorist.
Source: Ohio Crash Data (ODOT TIMS) · Csv Open Data · 2021-01-01 to 2021-12-31 · Vehicle unit records
Manner of Collision
The dominant manner of collision was 'Not Collision Between Two Vehicles in Transport', accounting for 335 crashes or 38.7% of the total. 'Rear-end' collisions were the next most frequent, with 228 crashes (26.4%), followed by 'Angle' collisions with 188 crashes (21.7%).
Manner of Collision
"Other" combines 2 smaller categories (6 records): Sideswipe; opposite direction (4), Rear-to-rear (2).
Source: Ohio Crash Data (ODOT TIMS) · Csv Open Data · 2021-01-01 to 2021-12-31 · Crash-level records
Vehicle Type
Passenger Cars were the dominant vehicle type involved in crashes, accounting for 707 vehicles. Commercial vehicles, including Semi-Tractors, Single Unit Trucks, Cargo Vans, and Buses, collectively represented 114 vehicles, or 7.3% of all vehicles involved.
Vehicle Type
"Other" combines 11 smaller categories (72 records): Cargo Van (24), Bus (16+ Passengers) (12), Other Vehicle (9), Motorcycle 2 Wheeled (8), Pedestrian/Skater (7), Bicycle (5), Heavy Equipment (3), Van (9-15 Seats) (1), Farm Equipment (1), Motorhome (1), All Terrain Vehicle (ATV/UTV) (1).
Source: Ohio Crash Data (ODOT TIMS) · Csv Open Data · 2021-01-01 to 2021-12-31 · Vehicle unit records
Person Type
Drivers constituted the dominant role among persons involved in crashes, with 1,443 individuals. Occupants (passengers) represented a notable share with 575 individuals, while 7 pedestrians were also involved.
Person Type
Source: Ohio Crash Data (ODOT TIMS) · Csv Open Data · 2021-01-01 to 2021-12-31 · Crash-level records
Person Injury Severity
Out of 2,025 total persons involved in crashes, 3 individuals sustained fatal injuries, representing 0.15% of all persons. A total of 276 persons sustained injuries of varying severity (Serious, Minor, Possible), accounting for 13.6% of all persons.
Person Injury Severity
Source: Ohio Crash Data (ODOT TIMS) · Csv Open Data · 2021-01-01 to 2021-12-31 · Crash-level records
Occupant Safety Equipment
Among persons for whom safety equipment use was known, 167 individuals were recorded as having used 'None Used', representing 8.2% of all persons involved. The majority, 1,608 individuals, used 'Shoulder and Lap Belt'.
Occupant Safety Equipment
"Other" combines 4 smaller categories (10 records): Lap Belt Only Used (4), Helmet Used (3), Lighting - Pedestrian / Bicycle Only (2), Protective Pads Used (Elbow; knees; etc.) (1).
Source: Ohio Crash Data (ODOT TIMS) · Csv Open Data · 2021-01-01 to 2021-12-31 · Person-level records linked to crash events
Vehicles Per Crash
Single-vehicle crashes accounted for 241 incidents, representing 27.9% of all crashes. Additionally, 11 crashes involved 4 vehicles.
Vehicles Per Crash
Source: Ohio Crash Data (ODOT TIMS) · Csv Open Data · 2021-01-01 to 2021-12-31 · Crash-level records
Data Sources & Methodology
Primary Data Source
All crash data in this report is sourced from Ohio Crash Data (ODOT TIMS), accessed programmatically via the Csv 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: Csv 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: 2021-01-01 through 2021-12-31
- Report generated: July 6, 2026
Data Coverage
- Reporting period: 2021-01-01 through 2021-12-31 (365 days)
- Geographic scope: Delaware, OH
- Total crash records analyzed: 865
- Total persons involved: 2,025
- Total vehicles involved: 1,560
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). "Delaware, OH Crash Intelligence Report: 2021." Published July 6, 2026. Reporting period: 2021-01-01 to 2021-12-31. Data source: Ohio Crash Data (ODOT TIMS), Csv Open Data. Available at: https://thatcarhitme.com/crash-data/ohio/delaware/2021-annual-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
ThatCarHitMe.com · An Injuria.ai Company
ThatCarHitMe.com
An Injuria.ai Company
Crash Data Intelligence
Data: Ohio Crash Data (ODOT TIMS) · Csv
Period: 2021-01-01 – 2021-12-31
Generated: July 6, 2026 · All rights reserved