Traffic Death Data from the California Highway Patrol reports data by Alcohol Involved: Yes No.  Here data is examined the number of cases by Alcohol Involvement.  To obtain the total number of deaths by year add the Yes and No categories.  The height of each bar if useful in determining the change in deaths by year.  The year 2008 generally displayed a reduction in the number of traffic deaths 1991-2008! California Trend Data , but the percentage of alcohol deaths of all deaths has gone up over time and is not much than it has been in many years Percent Alcohol* Related.

* In Alphabetical Order.  Number of traffic deaths is primarily driven by county population, hence, LA has the largest number of traffic deaths.