Research Studies & Reports

DMV’s Research & Development Branch has been conducting research and producing studies and reports since the 1950s. Research & Development reports help DMV to measure the impact of new laws on making drivers safer. We also identify areas where we can improve our processes, explore new approaches to solving existing problems, and branch out into new opportunities to serve you better. 

Request printed copies of studies and reports by mail at:

Department of Motor Vehicles
Research and Development Branch
2415 1st Ave. Mail Station: F-126
Sacramento, CA 95818
(916) 914-8125

Please include the report number, the number of copies requested, and your name, address, and phone number.

393 Results

Report ID Date Published Title Section Links
202 2003/ 03

Development and Evaluation of a Risk Management Strategy for Reducing Crash Risk

By: Michael A. Gebers and Raymond C. Peck

The goal of this project was to develop a strategy for maximizing the number of traffic crashes prevented by tailoring educational, rehabilitative, and license control interventions to identifiable high-risk problem driver groups. Regression models were applied to a random sample of licensed California drivers with the objective of identifying groups of drivers with elevated risks of being involved in future traffic crashes. The driving records of the risk groups identified from the models were examined to identify drivers not receiving any form of driver improvement or license control actions. The risk levels of these identified "untreated" drivers were compared with negligent operators who have received licensing actions to determine how existing discretionary and mandatory actions correlate with traffic safety risk. The defining characteristics of high-risk drivers escaping driver improvement or license control actions were examined in an attempt to construct a recommended set of countermeasures. The potential utility of these countermeasures in terms of crash reduction and benefit-cost ratios was estimated based on prior research evidence and mathematical simulation. In examining the defining characteristics of high-risk groups that currently escape driver improvement interventions, the majority was characterized either by TVS dismissals, citations, or crashes. These elements often combine with each other and with other risk factors to increase crash risk beyond that of drivers who meet the state’s prima facie definition of a "negligent operator." It is noted that there are two fundamental considerations for constructing a countermeasure system: (1) the countermeasures must be economically and operationally feasible, and (2) they must be legally permissible. Therefore, this study recommends interventions involving minimal expense, no in-person contact with DMV personnel, and no license-control actions.

IV
28.1 1968/ 07

An Abstract of the California Motorcycle Study – Driver and Accident Characteristics

By: Richard M. Harano & Raymond C. Peck

To evaluate the extent of the motorcycle problem and pinpoint possible problem areas which could be explored by future research.

IV
28 1968/ 07

The California Motorcycle Study – Driver and Accident Characteristics

By: Richard M. Harano & Raymond C. Peck

To evaluate the extent of the motorcycle problem and pinpoint possible problem areas which could be explored by future research.

IV
33 1970/ 07

Prediction of Driving Behavior Following a Group Driver Improvement Session

By: Robin S. McBride

To determine the extent to which driving record subsequent to a driver improvement meeting could be predicted from a personality test and biographical questionnaire.

IV
34.1 1970/ 06

An Abstract of Traffic Violations by Type, Age, Sex, and Marital Status

By: David M. Harrington & Robin S. McBride

To examine how the distribution of violation types varies with such basic demographic variables as age, sex, and marital status.

IV
43 1973/ 05

Questionnaire Techniques in Traffic Safety Research: A Digest of California Department of Motor Vehicles’ Experience

By: William V. Epperson

To compile experiences concerning phases of studies dealing with questionnaires.

IV
76 1980/ 10

Design and Evaluation of a Crash Prediction Strategy

By: Edward J. McConnell & Roger E. Hagen Administration

To define and validate a method of identifying groups of high-risk drivers which yields a more effective crash prediction model than the Department's negligent-operator (neg-op) point system.

IV
NRN045 1971/ 01

A Position Paper on Accident Proneness and Driver-Oriented Safety Models

By: Raymond C. Peck & Ronald S. Coppin

To advance the state of knowledge regarding accident proneness theory.

IV
NRN046 1972/ 05

The Development and Evaluation of Accident Countermeasures in Driver Licensing Agencies

By: Ronald S. Coppin & Raymond C. Peck

To add to the fund of knowledge concerning accident countermeasures.

IV
NRN049 1976/ 01

Toward a Dynamic System of Driver Improvement Program Evaluation

By: Raymond C. Peck

To advance knowledge in the area of program evaluation as it specifically applies to driver improvement.

IV