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State Route MT
Fatal crashes 2015–2024 23Deaths 25Counties 15Latest 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.
State Route MT in Montana was the trafficway in 23 fatal crashes between 2015 and 2024, in which 25 people died.
That is 1.2% of the 1,864 fatal crashes in Montana over the same years. The ten-year crash count 2015–2024 totalled 23; the FARS file has none for 2005–2014.
The crashes were concentrated in Lewis and Clark County (3), Sanders County (3) and Jefferson County (2) and 12 other counties.
52.2% of the crashes had a driver reported as drinking (Montana: 43.9%) and 30.4% had a speeding-related driver (35.8%); pedestrians were 0.0% and motorcyclists 20.0% 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 Montana
| Measure | State Route MT | Montana |
|---|---|---|
| Fatal crashes, 2015–2024 | 23 | 1,864 |
| Deaths, 2015–2024 | 25 | 2,046 |
| Deaths per fatal crash | 1.1 | 1.1 |
| Share of state fatal crashes | 1.2% | 100% |
| Change vs previous ten years | — | -8% |
Factor shares
Counties along the route
| # | County | Fatal crashes on SR-MT | Share of route | County total, all roads |
|---|---|---|---|---|
| 1 | Lewis and Clark County | 3 | 13% | 73 |
| 2 | Sanders County | 3 | 13% | 41 |
| 3 | Jefferson County | 2 | 9% | 48 |
| 4 | Lake County | 2 | 9% | 86 |
| 5 | Missoula County | 2 | 9% | 147 |
| 6 | Sheridan County | 2 | 9% | 6 |
| 7 | Cascade County | 1 | 4% | 91 |
| 8 | Chouteau County | 1 | 4% | 20 |
| 9 | Dawson County | 1 | 4% | 16 |
| 10 | Flathead County | 1 | 4% | 164 |
| 11 | Gallatin County | 1 | 4% | 99 |
| 12 | Garfield County | 1 | 4% | 10 |
| 13 | Golden Valley County | 1 | 4% | 5 |
| 14 | McCone County | 1 | 4% | 6 |
| 15 | Valley County | 1 | 4% | 15 |
Hour of day
Share of fatal crashes on State Route MT beginning in each hour, 2015–2024; tick marks the Montana share for all roads.
Where along the route
| Mile marker range | Fatal crashes | Share |
|---|---|---|
| Mile 0–5 | 3 | 13% |
| Mile 5–10 | 2 | 9% |
| Mile 10–15 | 1 | 4% |
| Mile 15–20 | 1 | 4% |
| Mile 25–30 | 1 | 4% |
| Mile 35–40 | 1 | 4% |
Five-mile bins by FARS milepoint, the six with the most fatal crashes; 65.2% 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 Montana
- Interstate 90 193
- US Route 93 116
- US Route 2 103
- US Route 87 64
- Interstate 15 61
- US Route 212 55
- State Route 200 45
- US Route 12 43
- US Route 89 35
- Interstate 94 31
- US Route 191 24
All routes and counties in Montana
Questions and answers
How many fatal crashes have there been on State Route MT in Montana?
23 fatal crashes with 25 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 MT had the most fatal crashes?
Lewis and Clark County (3), Sanders County (3), Jefferson County (2), Lake County (2) and Missoula County (2).
What share of crashes on State Route MT involved alcohol or speeding?
52.2% had a driver reported as drinking and 30.4% a speeding-related driver, against 43.9% and 35.8% for all fatal crashes in Montana.
When do fatal crashes happen on State Route MT?
52.2% 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.