I-605 in California: fatal crashes
From 2015 to 2024, 105 fatal crashes on I-605 in California killed 115 people. In 2024 there were 11 fatal crashes and 12 deaths on the road.
An interstate running through 2 counties of California. All fatal crashes in California. I-605 in every state.
Deaths on I-605 in California by year
| Year | Fatal crashes | Deaths |
|---|---|---|
| 2024 | 11 | 12 |
| 2023 | 8 | 9 |
| 2022 | 12 | 13 |
| 2021 | 14 | 14 |
| 2020 | 7 | 8 |
| 2019 | 7 | 7 |
| 2018 | 7 | 8 |
| 2017 | 14 | 17 |
| 2016 | 13 | 14 |
| 2015 | 12 | 13 |
Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count
Where on I-605 in California: the counties with the most fatal crashes
Los Angeles County had the most fatal crashes on I-605 from 2015 to 2024: 97, with 107 deaths. Counties are listed from 5 fatal crashes.
| County | 2024 | 2015 to 2024 | Deaths | |
|---|---|---|---|---|
| 1 | Los Angeles County | 9 | 97 | 107 |
| 2 | Orange County | 2 | 8 | 8 |
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-605 in California
The heaviest slot is Saturday, midnight to 4 am, with 11 fatal crashes from 2015 to 2024. The worst hour is 1 am to 2 am; the worst month is November.
| Midnight to 4 | 4 to 8 am | 8 to noon | Noon to 4 | 4 to 8 pm | 8 to midnight | |
|---|---|---|---|---|---|---|
| Sun | 8.6 percent, 9 fatal crashes | 6.7 percent, 7 fatal crashes | 0.0 percent, 0 fatal crashes | 1.0 percent, 1 fatal crashes | 2.9 percent, 3 fatal crashes | 6.7 percent, 7 fatal crashes |
| Mon | 4.8 percent, 5 fatal crashes | 1.9 percent, 2 fatal crashes | 2.9 percent, 3 fatal crashes | 1.0 percent, 1 fatal crashes | 1.0 percent, 1 fatal crashes | 1.0 percent, 1 fatal crashes |
| Tue | 3.8 percent, 4 fatal crashes | 1.0 percent, 1 fatal crashes | 1.9 percent, 2 fatal crashes | 1.0 percent, 1 fatal crashes | 0.0 percent, 0 fatal crashes | 2.9 percent, 3 fatal crashes |
| Wed | 3.8 percent, 4 fatal crashes | 1.9 percent, 2 fatal crashes | 1.0 percent, 1 fatal crashes | 1.0 percent, 1 fatal crashes | 1.0 percent, 1 fatal crashes | 1.9 percent, 2 fatal crashes |
| Thu | 1.0 percent, 1 fatal crashes | 1.0 percent, 1 fatal crashes | 0.0 percent, 0 fatal crashes | 1.0 percent, 1 fatal crashes | 1.0 percent, 1 fatal crashes | 3.8 percent, 4 fatal crashes |
| Fri | 6.7 percent, 7 fatal crashes | 1.0 percent, 1 fatal crashes | 0.0 percent, 0 fatal crashes | 0.0 percent, 0 fatal crashes | 3.8 percent, 4 fatal crashes | 1.9 percent, 2 fatal crashes |
| Sat | 10.5 percent, 11 fatal crashes | 1.9 percent, 2 fatal crashes | 1.0 percent, 1 fatal crashes | 1.0 percent, 1 fatal crashes | 3.8 percent, 4 fatal crashes | 1.9 percent, 2 fatal crashes |
By hour
By month
- Jan3.8%
- Feb7.6%
- Mar9.5%
- Apr3.8%
- May7.6%
- Jun10.5%
- Jul8.6%
- Aug5.7%
- Sep3.8%
- Oct10.5%
- Nov18.1%
- Dec10.5%
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-605 in California 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 18%, a parked vehicle in 4.8%.
| First harmful event | Fatal crashes | Share |
|---|---|---|
| Collision with another vehicle | 43 | 41% |
| Fixed object (tree, pole, barrier, ditch) | 29 | 28% |
| Pedestrian | 19 | 18% |
| Parked vehicle | 5 | 4.8% |
| Rollover | 4 | 3.8% |
| Other | 4 | 3.8% |
| Cyclist | 1 | 1.0% |
| 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-605 in California compare with the state
A drinking driver was recorded in 29% of fatal crashes in I-605 in California from 2015 to 2024, about the California share; speeding in 42%, above the California share of 30%; a hit-and-run in 11%, about the California share; a driver recorded as distracted in 3.8%, about the California share; 35% of passenger-vehicle occupants killed with belt use known were unbelted, below the California share of 38%. Shares of fatal crashes from 2015 to 2024, against the share across all of California. A share is only given over 20 crashes.
| I-605 | California | ||
|---|---|---|---|
| On rural stretches | 2.9% | 30% | below the California share |
| At or near an intersection | 0.0% | 27% | below the California share |
| In the dark, road unlit | 30% | 25% | above the California share |
| A drinking driver | 29% | 28% | about the same as the California share |
| Speeding | 42% | 30% | above the California share |
| A distracted driver (as recorded) | 3.8% | 4.1% | about the same as the California share |
| Occupants killed unbelted | 35% | 38% | below the California share |
| Hit-and-run | 11% | 11% | about the same as the California share |
| A motorcycle involved | 13% | 15% | below the California share |
| Pedestrians among the dead | 26% | 26% | about the same as the California 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-605 in California
- How many fatal crashes have there been on I-605 in California?
- 105 fatal crashes killed 115 people on I-605 in California from 2015 to 2024. In 2024 there were 11 fatal crashes and 12 deaths.
- Where on I-605 in California do the most fatal crashes happen?
- Los Angeles County had the most fatal crashes on I-605 from 2015 to 2024: 97, with 107 deaths. Orange County was second with 8.
- When do fatal crashes on I-605 in California happen most often?
- The heaviest slot from 2015 to 2024 was Saturday, midnight to 4 am, with 11 fatal crashes.
Other roads in California with a page
All fatal crashes in California, with every road ranked.
Where the I-605 numbers come from
Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash whose road NHTSA filed as I-605 in California (filed under 6 spellings, such as "I-605", "I-605 SAN GABRIEL RIVER FWY", "I-605 NB", "I-605 SAN GABRIEL FWY"). Ramps, frontage and service roads are left out. A fatal crash is one in which someone died within 30 days. The full method.