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
2570 24th Street, Mail Station: H-126
Sacramento, CA 95818
(916) 657-5805

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

392 Results

Report ID Date Published Title Section Links
NRN074 1980/ 06

Improved Motorcyclist Licensing and Testing Project

By: James W. Anderson, Jack Ford, & Raymond C. Peck

(1) To determine whether two improved motorcycle licensing programs were more effective in reducing accidents and convictions of novice motorcyclists than the standard program, (2) to determine whether applicant characteristics influenced the accident-reducing effectiveness of the licensing program, (3) to determine the predictive validity of the standard and improved knowledge and drive tests, and (4) to determine the effectiveness of remedial skills training.

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NRN075 1983/ 04

Appendix H of “Administrative Review, Analysis, and Recommendations for California Heavy Vehicle Operator Licensing Program”

By: Michael Ratz & Shara Lynn Kelsey

In conjunction with a project intended to develop enhanced licensing procedures for heavy-vehicle operators, data on all original and 65,000 renewal drivers licensed to drive heavy commercial vehicles (class 1 and 2 drivers) were analyzed.

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NRN076 1986/ 11

Mature Driver Core Curriculum Project Literature Review

By: Mary K. Janke

To review the technical literature on the driving performance of elderly people, as an aid to setting up the curriculum for California's Mature Driver Improvement Program.

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NRN077 1988/ 01

Conference on The Control and Management of High Risk Drivers

By: California Department of Motor Vehicles

To clarify and expand the body of knowledge on the management of high risk drivers by bringing together a body of leading experts in a conference session format.

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NRN078 1989/ 12

Development and Evaluation of a Risk Assessment Strategy for Medically Impaired DriversDetailed Analysis

By: Robert Hagge & Lee Stylos

To further evaluate a risk-assessment strategy for drivers with physical or mental (P&M) conditions.

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NRN079 1990/ 03

Drugs and Traffic Safety: Is There a Nexus?

By: Mary K. Janke

To examine the evidence for a connection, causal or otherwise, between drug use and accidents.

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NRN080 1990/ 03

Uninsured Motorist (SB 850) Study: Estimate of the Rate and Analysis of the Effects of Economic Covariate Factors and the Intervention of SB 850 on the Rate of Uninsured Motorists in California from 1978 to 1988, #1

By: Leonard A. Marowitz

To estimate the rate of uninsured motorists in California (first report) and to determine if the rate of uninsured motorists covaried with economic factors from 1978 to 1988 and if the intervention of SB 850 had an effect on the rate (second report).

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NRN081 1990/ 05

Uninsured Motorist (SB 850) Study: Estimate of the Rate and Analysis of the Effects of Economic Covariate Factors and the Intervention of SB 850 on the Rate of Uninsured Motorists in California from 1978 to 1988, #2

By: Leonard A. Marowitz

To estimate the rate of uninsured motorists in California (first report) and to determine if the rate of uninsured motorists covaried with economic factors from 1978 to 1988 and if the intervention of SB 850 had an effect on the rate (second report).

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NRN082 1993/ 01

Reportable Medical Conditions and Driver Risk

By: Mary K. Janke

To describe California's medical reporting law, discuss the literature on medical conditions and crash risk, and present crash rates of California's medically impaired drivers and some aspects of how California DMV deals with medically enhanced driver risk.

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NRN083 1993/ 01

California DMV’s Driving Under the Influence R&D Program: Some Recent Findings and Activities

By: Raymond C. Peck

To convey information on findings from recent California DMV studies of DUI offenders.

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