Fatal Crash Data

State Highway 12 in California: fatal crashes

From 2015 to 2024, 106 fatal crashes on State Highway 12 in California killed 130 people, the 31st most of 255 numbered roads in California. In 2024 there were 7 fatal crashes and 8 deaths on the road.

A state highway running through 5 counties of California. All fatal crashes in California.

Deaths on State Highway 12 in California by year

10201620182020202220242017: 172024: 8
YearFatal crashesDeaths
202478
2023810
20221116
20211415
2020911
20191113
20181416
20171417
20161015
201589

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

Where on State Highway 12 in California: the counties with the most fatal crashes

San Joaquin County had the most fatal crashes on State Highway 12 from 2015 to 2024: 32, with 41 deaths. San Joaquin, Sonoma and Solano counties together held 80% of fatal crashes on State Highway 12 in California from 2015 to 2024. Counties are listed from 5 fatal crashes.

County20242015 to 2024Deaths
1San Joaquin County43241
2Sonoma County12830
3Solano County12530
4Sacramento County01118
5Calaveras County11011

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 State Highway 12 in California

106 fatal crashes on State Highway 12 in California from 2015 to 2024 have a known time, too few for any one weekday and time of day to stand out. The worst hour is 11 am to noon; the worst month is May.

Share of fatal crashes on State Highway 12 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
Sun3.8 percent, 4 fatal crashes3.8 percent, 4 fatal crashes0.0 percent, 0 fatal crashes0.9 percent, 1 fatal crash2.8 percent, 3 fatal crashes2.8 percent, 3 fatal crashes
Mon1.9 percent, 2 fatal crashes1.9 percent, 2 fatal crashes4.7 percent, 5 fatal crashes0.9 percent, 1 fatal crash1.9 percent, 2 fatal crashes1.9 percent, 2 fatal crashes
Tue0.0 percent, 0 fatal crashes0.9 percent, 1 fatal crash2.8 percent, 3 fatal crashes1.9 percent, 2 fatal crashes4.7 percent, 5 fatal crashes0.0 percent, 0 fatal crashes
Wed0.0 percent, 0 fatal crashes0.9 percent, 1 fatal crash2.8 percent, 3 fatal crashes4.7 percent, 5 fatal crashes2.8 percent, 3 fatal crashes1.9 percent, 2 fatal crashes
Thu0.9 percent, 1 fatal crash1.9 percent, 2 fatal crashes6.6 percent, 7 fatal crashes1.9 percent, 2 fatal crashes4.7 percent, 5 fatal crashes2.8 percent, 3 fatal crashes
Fri1.9 percent, 2 fatal crashes2.8 percent, 3 fatal crashes1.9 percent, 2 fatal crashes2.8 percent, 3 fatal crashes2.8 percent, 3 fatal crashes4.7 percent, 5 fatal crashes
Sat2.8 percent, 3 fatal crashes0.9 percent, 1 fatal crash2.8 percent, 3 fatal crashes2.8 percent, 3 fatal crashes0.9 percent, 1 fatal crash2.8 percent, 3 fatal crashes

By hour

By month

  • Jan10.4%
  • Feb2.8%
  • Mar6.6%
  • Apr9.4%
  • May11.3%
  • Jun7.5%
  • Jul7.5%
  • Aug7.5%
  • Sep10.4%
  • Oct6.6%
  • Nov11.3%
  • Dec8.5%

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

What fatal crashes on State Highway 12 in California first hit

The first harmful event was a collision with another vehicle in most fatal crashes, 60%; a fixed object such as a tree, pole or barrier in 14%, a pedestrian in 11%, a rollover in 5.7%.

First harmful eventFatal crashesShare
Collision with another vehicle6460%
Fixed object (tree, pole, barrier, ditch)1514%
Pedestrian1211%
Rollover65.7%
Cyclist54.7%
Other32.8%
Parked vehicle10.9%
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 State Highway 12 in California compare with the state

The largest difference from California: from 2015 to 2024, 60% of fatal crashes on State Highway 12 in California were on rural roads, against 30% across California. Also above the California share: distracted drivers. Below it: intersections, unbelted occupants, hit-and-runs and pedestrians. Shares of fatal crashes from 2015 to 2024, against the share across all of California. A share is only given over 20 crashes; above or below means more than chance would give on 106 crashes.

State Highway 12California
On rural stretches60%30%above the California share
At or near an intersection18%27%below the California share
In the dark, road unlit25%25%about the same as the California share
A drinking driver25%28%about the same as the California share
Speeding33%30%about the same as the California share
A distracted driver (as recorded)8.5%4.1%above the California share
Occupants killed unbelted17%38%below the California share
Hit-and-run4.7%11%below the California share
A motorcycle involved12%15%about the same as the California share
Pedestrians among the dead10%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

Questions about fatal crashes on State Highway 12 in California

How many fatal crashes have there been on State Highway 12 in California?
106 fatal crashes killed 130 people on State Highway 12 in California from 2015 to 2024. In 2024 there were 7 fatal crashes and 8 deaths. Source: NHTSA's Fatality Analysis Reporting System (FARS).
Where on State Highway 12 in California do the most fatal crashes happen?
San Joaquin County had the most fatal crashes on State Highway 12 from 2015 to 2024: 32, with 41 deaths. Sonoma County was second with 28.

Other roads in California with a page

All fatal crashes in California, with every road ranked.

Where the State Highway 12 numbers come from

Counted from NHTSA's Fatality Analysis Reporting System, 2024 Annual Report File: every fatal crash whose road NHTSA filed as State Highway 12 in California (filed under 6 spellings, such as "SR-12", "SR-12 LUTHER BURBANK MEMORIAL", "SR-12 RIO VISTA BRIDGE", "SR-12 RIO VISTA HWY"). Ramps, frontage and service roads are left out. Where two routes share a road, NHTSA files each crash under one of them, so a shared stretch counts on one route only. A fatal crash is one in which someone died within 30 days. Totals in state and news reports for a road usually differ: they include ramps and frontage roads, or count from preliminary reports. The full method.