State Route 4 fatal crashes in California
FARS records 226 fatal crashes with 255 deaths on State Route 4 in California from 2015 to 2024.
In 2024 it records 15 fatal crashes with 16 deaths on the route.
By fatal crashes from 2015 to 2024, State Route 4 was number 11 of the 119 routes of California with a page.
Fatal crashes on State Route 4 rose by 52.7% between the ten years 2005 to 2014 (148) and the ten years 2015 to 2024 (226).
In California they rose by 18.9% between the same years.
From 2015 to 2024, pedestrians were 11.0% of the deaths on State Route 4 and 26.0% in California.
To qualify as a FARS case, the crash had to involve a motor vehicle traveling on a trafficway customarily open to the public and must have resulted in the death of a motorist or a non-motorist within 30 days of the crash.
The set of first files, known as the Annual Report File (ARF), is released following the crash year. The ARF is replaced about a year later with a final file, which contains additional cases or updates to cases that had become available after the ARF was released.
NHTSA's words. Source: NHTSA, Fatality Analysis Reporting System Analytical User's Manual, 1975-2024 (DOT HS 813 794, April 2026), copied on .
This page rests on the FARS 2024 annual file. NHTSA released it on . NHTSA can revise the counts in the final file. Release dates
Table 1 has the numbers. Go to the table
Since the last update: no figure of this route has a change on record.
Fatal crashes by year
| Year | Fatal crashes | Deaths |
|---|---|---|
| 2024 | 15 | 16 |
| 2023 | 29 | 37 |
| 2022 | 27 | 32 |
| 2021 | 27 | 28 |
| 2020 | 31 | 33 |
| 2019 | 20 | 20 |
| 2018 | 16 | 16 |
| 2017 | 19 | 24 |
| 2016 | 24 | 27 |
| 2015 | 18 | 22 |
| 2014 | 10 | 10 |
| 2013 | 13 | 15 |
| 2012 | 11 | 11 |
| 2011 | 7 | 8 |
| 2010 | 18 | 18 |
| 2009 | 11 | 11 |
| 2008 | 17 | 18 |
| 2007 | 25 | 30 |
| 2006 | 17 | 17 |
| 2005 | 19 | 22 |
| 2004 | 19 | 25 |
| 2003 | 15 | 18 |
| 2002 | 22 | 28 |
| 2001 | 13 | 16 |
| 2000 | 19 | 21 |
Note: the route is the trafficway that FARS records for the crash. The records of routes start in 2000. A count of 1 or 2 is written "1 or 2".
Counties on the route
| County | On the route | On all roads of the county |
|---|---|---|
| Alpine County | 4 | 17 |
| Calaveras County | 27 | 121 |
| Contra Costa County | 115 | 753 |
| San Joaquin County | 70 | 1,128 |
| Santa Clara County | 1 or 2 | 1,138 |
| Stanislaus County | 9 | 751 |
Note: the table has the counties where FARS records a fatal crash on the route in these years.
Factors that NHTSA records
| Factor | Count | Counted among | Share | Share on all roads of California |
|---|---|---|---|---|
| A driver recorded as drinkingof 226 fatal crashes | 79 | 226 fatal crashes | 27.9% | |
| A speeding-related driverof 226 fatal crashes | 66 | 226 fatal crashes | 30.2% | |
| Pedestriansof 255 deaths | 28 | 255 deaths | 26.0% | |
| Motorcyclistsof 255 deaths | 32 | 255 deaths | 14.1% |
Note: FARS records a driver as drinking when police reported alcohol involvement or a test of the driver was positive for alcohol. It is not NHTSA's alcohol-impaired measure. One crash can be in two rows. NHTSA's definitions
Note that alcohol data is often missing. For that reason, this data element may under-count the actual number of drinking drivers.
Time of day
| Time of day | Fatal crashes | Share | Share on all roads of California |
|---|---|---|---|
| Midnight to 6 a.m. | 56 | 25.5% | 24.2% |
| 6 a.m. to noon | 33 | 15.0% | 16.3% |
| Noon to 6 p.m. | 58 | 26.4% | 23.6% |
| 6 p.m. to midnight | 73 | 33.2% | 35.9% |
Note: the table has the fatal crashes with a known hour.
Mile ranges
| Milepoint | Fatal crashes |
|---|---|
| Mile 0 to 5 | 30 |
| Mile 5 to 10 | 36 |
| Mile 10 to 15 | 21 |
| Mile 15 to 20 | 37 |
| Mile 20 to 25 | 24 |
| Mile 25 to 30 | 26 |
Note: the table has the six ranges of five miles with the largest counts, in the order of the milepoint. 96.5 percent of the fatal crashes on the route have a milepoint in FARS. A state can start its milepoints again at a county line.
Routes in the same counties
These routes of California have a fatal crash on record in one or more of the same counties. The list is for navigation. The number is the fatal crashes on the route from 2015 to 2024.
Official channels
- NHTSA Fatality and Injury Reporting System Tool (FIRST)NHTSA's query tool for FARS counts.
- NHTSA FARS EncyclopediaNHTSA's tables of FARS data.
- California Office of Traffic SafetyThe highway safety office of California.
These links go to the sites of the agencies. They were checked on .
Cite this page
Fatal Roads. State Route 4 fatal crashes in California. https://fatalroads.com/route/ca/sr-4/. Source: National Highway Traffic Safety Administration, Fatality Analysis Reporting System, FARS 2024 annual file. Data to .
The address of this page does not change.
Source of the figures
Counts: National Highway Traffic Safety Administration, Fatality Analysis Reporting System, national files of 2000 to 2024. A route page is built for a signed Interstate, US or state route with 20 or more fatal crashes in a state in ten years. Data to . The figures are totals. No page of this site is about one crash or one person.
How the figures are made. Data sources and licences. Corrections.
Questions
How many fatal crashes did FARS record on State Route 4 in the ten years before 2015?
FARS records 148 fatal crashes on State Route 4 in California from 2005 to 2014. It records 226 from 2015 to 2024.
What part of the fatal crashes in California was on State Route 4?
226 of the 36,640 fatal crashes in California from 2015 to 2024 were on State Route 4. That is 0.6 percent.
How many fatal crashes on State Route 4 had a driver recorded as drinking?
FARS records a driver as drinking in 79 of 226 fatal crashes from 2015 to 2024. It records a speeding-related driver in 66 of them.
Does this page count the same route number in a different state?
No. This page counts the fatal crashes that FARS records on State Route 4 in California only. The route in a different state has its own page.