I-270 in Missouri: fatal crashes
From 2015 to 2024, 89 fatal crashes on I-270 in Missouri killed 97 people, the 13th most of any numbered road in Missouri. In 2024 there were 12 fatal crashes and 12 deaths on the road.
An interstate running through 2 counties of Missouri. All fatal crashes in Missouri. I-270 in every state.
Deaths on I-270 in Missouri by year
| Year | Fatal crashes | Deaths |
|---|---|---|
| 2024 | 12 | 12 |
| 2023 | 11 | 12 |
| 2022 | 8 | 9 |
| 2021 | 11 | 16 |
| 2020 | 10 | 10 |
| 2019 | 9 | 10 |
| 2018 | 5 | 5 |
| 2017 | 8 | 8 |
| 2016 | 7 | 7 |
| 2015 | 8 | 8 |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
Where on I-270 in Missouri: the counties with the most fatal crashes
St. Louis County County had the most fatal crashes on I-270 from 2015 to 2024: 88, with 96 deaths. Counties are listed from 5 fatal crashes.
| County | 2024 | 2015 to 2024 | Deaths | |
|---|---|---|---|---|
| 1 | St. Louis County | 12 | 88 | 96 |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
When fatal crashes happen on I-270 in Missouri
Too few crashes to name a heaviest slot. The grid shows the shares; a share is only given over 20 crashes.
| Midnight to 4 | 4 to 8 am | 8 to noon | Noon to 4 | 4 to 8 pm | 8 to midnight | |
|---|---|---|---|---|---|---|
| Sun | 7.9 percent, 7 fatal crashes | 0.0 percent, 0 fatal crashes | 2.2 percent, 2 fatal crashes | 3.4 percent, 3 fatal crashes | 2.2 percent, 2 fatal crashes | 4.5 percent, 4 fatal crashes |
| Mon | 1.1 percent, 1 fatal crashes | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 4.5 percent, 4 fatal crashes | 2.2 percent, 2 fatal crashes | 1.1 percent, 1 fatal crashes |
| Tue | 2.2 percent, 2 fatal crashes | 1.1 percent, 1 fatal crashes | 2.2 percent, 2 fatal crashes | 3.4 percent, 3 fatal crashes | 2.2 percent, 2 fatal crashes | 1.1 percent, 1 fatal crashes |
| Wed | 3.4 percent, 3 fatal crashes | 1.1 percent, 1 fatal crashes | 0.0 percent, 0 fatal crashes | 2.2 percent, 2 fatal crashes | 1.1 percent, 1 fatal crashes | 2.2 percent, 2 fatal crashes |
| Thu | 2.2 percent, 2 fatal crashes | 1.1 percent, 1 fatal crashes | 1.1 percent, 1 fatal crashes | 1.1 percent, 1 fatal crashes | 2.2 percent, 2 fatal crashes | 1.1 percent, 1 fatal crashes |
| Fri | 3.4 percent, 3 fatal crashes | 3.4 percent, 3 fatal crashes | 0.0 percent, 0 fatal crashes | 4.5 percent, 4 fatal crashes | 2.2 percent, 2 fatal crashes | 6.7 percent, 6 fatal crashes |
| Sat | 6.7 percent, 6 fatal crashes | 2.2 percent, 2 fatal crashes | 3.4 percent, 3 fatal crashes | 3.4 percent, 3 fatal crashes | 0.0 percent, 0 fatal crashes | 3.4 percent, 3 fatal crashes |
By hour
By month
- Jan6.7%
- Feb5.6%
- Mar14.6%
- Apr7.9%
- May10.1%
- Jun9.0%
- Jul11.2%
- Aug5.6%
- Sep4.5%
- Oct10.1%
- Nov3.4%
- Dec11.2%
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
What fatal crashes on I-270 in Missouri first hit
The first harmful event was a collision with another vehicle in 45%; a fixed object such as a tree, pole or barrier in 28%, a pedestrian in 17%, a rollover in 3.4%.
| First harmful event | Fatal crashes | Share |
|---|---|---|
| Collision with another vehicle | 40 | 45% |
| Fixed object (tree, pole, barrier, ditch) | 25 | 28% |
| Pedestrian | 15 | 17% |
| Other | 4 | 4.5% |
| Rollover | 3 | 3.4% |
| Parked vehicle | 2 | 2.2% |
| Cyclist | 0 | 0.0% |
| Not reported | 0 | 0.0% |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
How fatal crashes on I-270 in Missouri compare with the state
A drinking driver was recorded in 28% of fatal crashes in I-270 in Missouri from 2015 to 2024, about the Missouri share; speeding in 40%, above the Missouri share of 37%; a hit-and-run in 3.4%, below the Missouri share of 5.2%; a driver recorded as distracted in 14%, above the Missouri share of 8.9%; 67% of passenger-vehicle occupants killed with belt use known were unbelted, above the Missouri share of 63%. Shares of fatal crashes from 2015 to 2024, against the share across all of Missouri. A share is only given over 20 crashes.
| I-270 | Missouri | ||
|---|---|---|---|
| On rural stretches | 1.1% | 52% | below the Missouri share |
| At or near an intersection | 1.1% | 21% | below the Missouri share |
| In the dark, road unlit | 27% | 28% | below the Missouri share |
| A drinking driver | 28% | 28% | about the same as the Missouri share |
| Speeding | 40% | 37% | above the Missouri share |
| A distracted driver (as recorded) | 14% | 8.9% | above the Missouri share |
| Occupants killed unbelted | 67% | 63% | above the Missouri share |
| Hit-and-run | 3.4% | 5.2% | below the Missouri share |
| A motorcycle involved | 12% | 15% | below the Missouri share |
| Pedestrians among the dead | 21% | 12% | above the Missouri share |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
Questions about fatal crashes in I-270 in Missouri
- How many fatal crashes have there been on I-270 in Missouri?
- 89 fatal crashes killed 97 people on I-270 in Missouri from 2015 to 2024. In 2024 there were 12 fatal crashes and 12 deaths.
- Where on I-270 in Missouri do the most fatal crashes happen?
- St. Louis County had the most fatal crashes on I-270 from 2015 to 2024: 88, with 96 deaths.
Other roads in Missouri with a page
- I-435
- I-44
- I-49
- I-55
- I-70
- State Highway 100
- State Highway 13
- State Highway 21
- State Highway 30
- State Highway 32
- State Highway 43
- State Highway 5
All fatal crashes in Missouri, with every road ranked.
Where the I-270 numbers come from
Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash whose road NHTSA filed as I-270 in Missouri (filed under 8 spellings, such as "I-270", "I-270 NOR", "I-270 RP 104136", "I-270 RP 104154"). Ramps, frontage and service roads are left out. A fatal crash is one in which someone died within 30 days. The full method.