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US Route 31
Fatal crashes 2015–2024 101Deaths 105Counties 13Latest 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.
US Route 31 in Indiana was the trafficway in 101 fatal crashes between 2015 and 2024, in which 105 people died.
That is 1.2% of the 8,116 fatal crashes in Indiana over the same years. The ten-year crash count fell 14% from 117 in 2005–2014 to 101 in 2015–2024.
The crashes were concentrated in Hamilton County (13), Bartholomew County (12) and Marshall County (12) and 10 other counties.
15.8% of the crashes had a driver reported as drinking (Indiana: 19.6%) and 20.8% had a speeding-related driver (25.7%); pedestrians were 14.3% and motorcyclists 9.5% 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 Indiana
| Measure | US Route 31 | Indiana |
|---|---|---|
| Fatal crashes, 2015–2024 | 101 | 8,116 |
| Deaths, 2015–2024 | 105 | 8,773 |
| Deaths per fatal crash | 1.0 | 1.1 |
| Share of state fatal crashes | 1.2% | 100% |
| Change vs previous ten years | -14% | +10% |
Factor shares
Counties along the route
| # | County | Fatal crashes on US-31 | Share of route | County total, all roads |
|---|---|---|---|---|
| 1 | Hamilton County | 13 | 13% | 161 |
| 2 | Bartholomew County | 12 | 12% | 129 |
| 3 | Marshall County | 12 | 12% | 79 |
| 4 | Miami County | 10 | 10% | 55 |
| 5 | Fulton County | 9 | 9% | 36 |
| 6 | Johnson County | 8 | 8% | 101 |
| 7 | Tipton County | 8 | 8% | 36 |
| 8 | Clark County | 7 | 7% | 126 |
| 9 | Marion County | 7 | 7% | 1,152 |
| 10 | Jackson County | 5 | 5% | 80 |
| 11 | St. Joseph County | 4 | 4% | 235 |
| 12 | Scott County | 4 | 4% | 55 |
| 13 | Howard County | 2 | 2% | 116 |
Hour of day
Share of fatal crashes on US Route 31 beginning in each hour, 2015–2024; tick marks the Indiana share for all roads.
Other routes in Indiana
- Interstate 65 169
- Interstate 80 112
- Interstate 70 96
- US Route 20 91
- US Route 41 88
- Interstate 69 88
- State Route 37 73
- Interstate 465 65
- US Route 231 61
- US Route 30 57
- US Route 50 57
- US Route 40 56
All routes and counties in Indiana
Questions and answers
How many fatal crashes have there been on US Route 31 in Indiana?
101 fatal crashes with 105 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 US Route 31 had the most fatal crashes?
Hamilton County (13), Bartholomew County (12), Marshall County (12), Miami County (10) and Fulton County (9).
What share of crashes on US Route 31 involved alcohol or speeding?
15.8% had a driver reported as drinking and 20.8% a speeding-related driver, against 19.6% and 25.7% for all fatal crashes in Indiana.
When do fatal crashes happen on US Route 31?
43.6% 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.