I-635: fatal crashes in every state
From 2015 to 2024, 191 fatal crashes on I-635 killed 206 people across the 2 states it runs through, the 42nd most of any interstate. In 2024 there were 13 fatal crashes and 13 deaths on the road.
I-635 by state: fatal crashes, deaths and per mile
Texas has the most fatal crashes on I-635, 176 from 2015 to 2024. Each state's stretch is counted within that state; the per-mile figure needs 20 miles or more of road.
| State | Fatal crashes | Deaths | 2024 | Miles | Per 100 miles a year | |
|---|---|---|---|---|---|---|
| 1 | I-635 in Texas | 176 | 190 | 11 | ||
| 2 | Kansas | 12 | 13 | 2 |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
Mileage from the FHWA Interstate route log (table 1), the only figure here not counted from FARS.
Deaths on I-635 by year
| Year | Fatal crashes | Deaths |
|---|---|---|
| 2024 | 13 | 13 |
| 2023 | 8 | 8 |
| 2022 | 19 | 22 |
| 2021 | 23 | 24 |
| 2020 | 15 | 17 |
| 2019 | 14 | 17 |
| 2018 | 20 | 20 |
| 2017 | 32 | 35 |
| 2016 | 33 | 36 |
| 2015 | 14 | 14 |
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-635
The heaviest slot is Saturday, midnight to 4 am, with 18 fatal crashes from 2015 to 2024. The worst hour is 2 am to 3 am; the worst month is August.
| Midnight to 4 | 4 to 8 am | 8 to noon | Noon to 4 | 4 to 8 pm | 8 to midnight | |
|---|---|---|---|---|---|---|
| Sun | 7.3 percent, 14 fatal crashes | 5.2 percent, 10 fatal crashes | 2.1 percent, 4 fatal crashes | 2.6 percent, 5 fatal crashes | 1.6 percent, 3 fatal crashes | 2.1 percent, 4 fatal crashes |
| Mon | 2.1 percent, 4 fatal crashes | 1.6 percent, 3 fatal crashes | 0.5 percent, 1 fatal crashes | 1.0 percent, 2 fatal crashes | 2.1 percent, 4 fatal crashes | 1.6 percent, 3 fatal crashes |
| Tue | 0.5 percent, 1 fatal crashes | 0.5 percent, 1 fatal crashes | 1.6 percent, 3 fatal crashes | 0.5 percent, 1 fatal crashes | 3.7 percent, 7 fatal crashes | 2.1 percent, 4 fatal crashes |
| Wed | 1.6 percent, 3 fatal crashes | 1.6 percent, 3 fatal crashes | 1.0 percent, 2 fatal crashes | 1.0 percent, 2 fatal crashes | 1.0 percent, 2 fatal crashes | 3.1 percent, 6 fatal crashes |
| Thu | 2.6 percent, 5 fatal crashes | 2.1 percent, 4 fatal crashes | 1.0 percent, 2 fatal crashes | 1.0 percent, 2 fatal crashes | 2.1 percent, 4 fatal crashes | 7.3 percent, 14 fatal crashes |
| Fri | 4.7 percent, 9 fatal crashes | 3.1 percent, 6 fatal crashes | 1.6 percent, 3 fatal crashes | 1.6 percent, 3 fatal crashes | 1.6 percent, 3 fatal crashes | 2.1 percent, 4 fatal crashes |
| Sat | 9.4 percent, 18 fatal crashes | 1.6 percent, 3 fatal crashes | 3.1 percent, 6 fatal crashes | 1.0 percent, 2 fatal crashes | 2.6 percent, 5 fatal crashes | 3.1 percent, 6 fatal crashes |
By hour
By month
- Jan9.4%
- Feb6.8%
- Mar7.9%
- Apr10.5%
- May8.9%
- Jun5.2%
- Jul11.0%
- Aug11.5%
- Sep8.4%
- Oct7.9%
- Nov7.9%
- Dec4.7%
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-635 first hit
The first harmful event was a collision with another vehicle in 41%; a fixed object such as a tree, pole or barrier in 28%, a pedestrian in 19%, a parked vehicle in 4.2%.
| First harmful event | Fatal crashes | Share |
|---|---|---|
| Collision with another vehicle | 78 | 41% |
| Fixed object (tree, pole, barrier, ditch) | 54 | 28% |
| Pedestrian | 37 | 19% |
| Parked vehicle | 8 | 4.2% |
| Rollover | 7 | 3.7% |
| Other | 7 | 3.7% |
| 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-635 compare with the United States
A drinking driver was recorded in 29% of fatal crashes in I-635 from 2015 to 2024, above the US share of 26%; speeding in 41%, above the US share of 27%; a hit-and-run in 6.3%, about the US share; a driver recorded as distracted in 8.9%, about the US share; 57% of passenger-vehicle occupants killed with belt use known were unbelted, above the US share of 49%. Shares of fatal crashes from 2015 to 2024, against the share across all US roads.
| I-635 | US | ||
|---|---|---|---|
| On rural stretches | 3.1% | 43% | below the US share |
| In the dark, road unlit | 14% | 28% | below the US share |
| A drinking driver | 29% | 26% | above the US share |
| Speeding | 41% | 27% | above the US share |
| A distracted driver | 8.9% | 8.7% | about the same as the US share |
| Occupants killed unbelted | 57% | 49% | above the US share |
| Hit-and-run | 6.3% | 6.5% | about the same as the US share |
| A motorcycle involved | 17% | 16% | above the US share |
| Pedestrians among the dead | 25% | 17% | above the US 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-635
- How many fatal crashes have there been on I-635?
- 191 fatal crashes killed 206 people on I-635 from 2015 to 2024, across the 2 states it runs through. In 2024 there were 13 fatal crashes and 13 deaths.
- Which state has the most fatal crashes on I-635?
- Texas, with 176 fatal crashes and 190 deaths from 2015 to 2024; Kansas is second with 12.
- When do fatal crashes on I-635 happen most often?
- The heaviest slot from 2015 to 2024 was Saturday, midnight to 4 am, with 18 fatal crashes.
Other interstates
- I-10 3,274
- I-95 2,778
- I-40 2,208
- I-75 2,062
- I-20 1,789
- I-80 1,774
- I-5 1,745
- I-35 1,531
- I-70 1,354
- I-15 1,188
- I-90 996
- I-85 922
The deadliest roads in America, every interstate ranked.
Where the I-635 numbers come from
Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash whose road NHTSA filed as I-635, in every state, with ramps, frontage and service roads left out. A fatal crash is one in which someone died within 30 days. The full method.