Fatal Crash Data

I-8 in California: fatal crashes

From 2015 to 2024, 192 fatal crashes on I-8 in California killed 209 people, the 13th most of any numbered road in California. In 2024 there were 16 fatal crashes and 16 deaths on the road.

An interstate running through 2 counties of California. All fatal crashes in California.

Deaths on I-8 in California by year

102030201620182020202220242021: 322024: 16
YearFatal crashesDeaths
20151213
20162020
20171415
20182530
20191617
20202428
20213132
20222022
20231416
20241616

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

Where on I-8 in California: the counties with the most fatal crashes

San Diego County had the most fatal crashes on I-8 from 2015 to 2024: 125, with 132 deaths. Counties are listed from 5 fatal crashes.

County20242015 to 2024Deaths
1San Diego13125132
2Imperial36777

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-8 in California

The heaviest slot is Sunday, midnight to 4 am, with 12 fatal crashes from 2015 to 2024. The worst hour is 8 pm to 9 pm; the worst month is October.

Share of fatal crashes in I-8 in California by weekday and time of day, 2015 to 2024, in percent
Midnight to 44 to 8 am8 to noonNoon to 44 to 8 pm8 to midnight
Sun6.7 percent, 12 fatal crashes1.1 percent, 2 fatal crashes3.4 percent, 6 fatal crashes1.1 percent, 2 fatal crashes5.0 percent, 9 fatal crashes3.9 percent, 7 fatal crashes
Mon1.1 percent, 2 fatal crashes1.7 percent, 3 fatal crashes1.1 percent, 2 fatal crashes3.4 percent, 6 fatal crashes2.8 percent, 5 fatal crashes2.2 percent, 4 fatal crashes
Tue0.6 percent, 1 fatal crashes0.6 percent, 1 fatal crashes1.7 percent, 3 fatal crashes2.8 percent, 5 fatal crashes2.2 percent, 4 fatal crashes3.9 percent, 7 fatal crashes
Wed1.7 percent, 3 fatal crashes3.4 percent, 6 fatal crashes0.6 percent, 1 fatal crashes1.1 percent, 2 fatal crashes2.8 percent, 5 fatal crashes1.7 percent, 3 fatal crashes
Thu1.1 percent, 2 fatal crashes1.1 percent, 2 fatal crashes0.6 percent, 1 fatal crashes2.2 percent, 4 fatal crashes2.8 percent, 5 fatal crashes3.4 percent, 6 fatal crashes
Fri1.1 percent, 2 fatal crashes1.1 percent, 2 fatal crashes3.4 percent, 6 fatal crashes1.7 percent, 3 fatal crashes3.9 percent, 7 fatal crashes5.6 percent, 10 fatal crashes
Sat2.8 percent, 5 fatal crashes2.2 percent, 4 fatal crashes1.1 percent, 2 fatal crashes2.8 percent, 5 fatal crashes1.7 percent, 3 fatal crashes5.0 percent, 9 fatal crashes

By hour

By month

  • Jan6.2%
  • Feb9.4%
  • Mar6.2%
  • Apr8.9%
  • May8.3%
  • Jun7.3%
  • Jul9.9%
  • Aug7.8%
  • Sep8.9%
  • Oct10.4%
  • Nov8.9%
  • Dec7.8%

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-8 in California first hit

First harmful eventFatal crashesShare
Fixed object (tree, pole, barrier, ditch)4725%
Collision with another vehicle4624%
Pedestrian4423%
Rollover3217%
Other199.9%
Parked vehicle42.1%
Cyclist00.0%
Not reported00.0%

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-8 in California compare with the state

Shares of fatal crashes from 2015 to 2024, against the share across all of California. A share is only given over 20 crashes.

I-8California
On rural stretches43%30%above the California share
At or near an intersection0.0%27%below the California share
In the dark, road unlit43%25%above the California share
A drinking driver27%28%about the same as the California share
Speeding27%30%below the California share
Occupants killed unbelted46%38%above the California share
Hit-and-run4.7%11%below the California share
A motorcycle involved12%15%below the California share
Pedestrians among the dead24%26%below the California share

Source: NHTSA Fatality Analysis Reporting System (FARS), 2024 Annual Report File (released April 2026, subject to revision). How we count

Other roads in California with a page

All fatal crashes in California, with every road ranked.

Where the I-8 numbers come from

Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash whose road NHTSA filed as I-8 in California (filed under 5 spellings, such as "I-8", "I-8 KUMEYAAY FWY", "I-8 KUMEYAAY HWY", "I-8 KUMYAYY FWY"). Ramps, frontage and service roads are left out. A fatal crash is one in which someone died within 30 days. The full method.