States › Ohio › Routes › State Route 309
State Route 309
Fatal crashes 2015–2024 26Deaths 29Counties 6Latest 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 26 fatal crashes on State Route 309 in Ohio, with 29 deaths.
That is 0.2% of the 11,013 fatal crashes in Ohio over the same years. The ten-year crash count fell 19% from 32 in 2005–2014 to 26 in 2015–2024.
The crashes were concentrated in Marion County (11), Allen County (9) and Hardin County (2) and 3 other counties.
23.1% of the crashes had a driver reported as drinking (Ohio: 31.7%) and 3.8% had a speeding-related driver (22.7%); pedestrians were 6.9% and motorcyclists 0.0% 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 Ohio
| Measure | State Route 309 | Ohio |
|---|---|---|
| Fatal crashes, 2015–2024 | 26 | 11,013 |
| Deaths, 2015–2024 | 29 | 11,899 |
| Deaths per fatal crash | 1.1 | 1.1 |
| Share of state fatal crashes | 0.2% | 100% |
| Change vs previous ten years | -19% | +6% |
Factor shares
Counties along the route
| # | County | Fatal crashes on SR-309 | Share of route | County total, all roads |
|---|---|---|---|---|
| 1 | Marion County | 11 | 42% | 90 |
| 2 | Allen County | 9 | 35% | 112 |
| 3 | Hardin County | 2 | 8% | 44 |
| 4 | Morrow County | 2 | 8% | 75 |
| 5 | Crawford County | 1 | 4% | 40 |
| 6 | Richland County | 1 | 4% | 118 |
Hour of day
Share of fatal crashes on State Route 309 beginning in each hour, 2015–2024; tick marks the Ohio share for all roads.
Where along the route
| Mile marker range | Fatal crashes | Share |
|---|---|---|
| Mile 0–5 | 6 | 23% |
| Mile 10–15 | 6 | 23% |
| Mile 15–20 | 5 | 19% |
| Mile 25–30 | 5 | 19% |
| Mile 20–25 | 3 | 12% |
| Mile 5–10 | 1 | 4% |
Five-mile bins by FARS milepoint, the six with the most fatal crashes; 100% 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 Ohio
- Interstate 71 214
- Interstate 75 213
- Interstate 70 156
- US Route 23 137
- US Route 6 121
- US Route 62 118
- US Route 20 114
- Interstate 80 111
- US Route 40 111
- Interstate 90 99
- US Route 33 98
- US Route 22 91
All routes and counties in Ohio
Questions and answers
How many fatal crashes have there been on State Route 309 in Ohio?
26 fatal crashes with 29 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 309 had the most fatal crashes?
Marion County (11), Allen County (9), Hardin County (2), Morrow County (2) and Crawford County (1).
What share of crashes on State Route 309 involved alcohol or speeding?
23.1% had a driver reported as drinking and 3.8% a speeding-related driver, against 31.7% and 22.7% for all fatal crashes in Ohio.
When do fatal crashes happen on State Route 309?
50.0% 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.