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Commercial Driver Individual Differences Study (CDIDS)
The objective of the case-control Commercial Driver Individual Differences Study (CDIDS) was to examine a wide array of driver and situational factors to determine their prevalence in and relationship to being involved in a crash. The CDIDS sought to identify and prioritize commercial...Field Study on the Efficacy of the New Restart Provision for Hours of Service December 2011 Final Rule
This study was a field operational test of the 34-hour restart provision requiring 2 nights of sleep between work weeks. The study team designed a field evaluation that had a protocol that similar to the above-mentioned lab study for Phase I that was conducted at Washington State...
Report Safety Violations
We Want to Hear From You Have you experienced safety, service or discrimination issues with a moving company, bus or truck company, including hazardous materials, or cargo tank facility?Advanced Fatigue Modeling for Individual Differences
Goal To improve state-of-the-art fatigue modeling technology to account for individual differences in fatigue and performance. Background The Phase I Small Business Innovation Research (SBIR) project established the feasibility of a model-based approach to achieve accurate individualized...Attitudes of Truck Drivers and Carriers on the Use of Electronic Logging Devices and Driver Harassment
The Federal Motor Carrier Safety Administration (FMCSA) was conducting a survey to broadly examine the issue of driver harassment and to determine the extent to which HOS MDs were used to either harass drivers and/or monitor driver productivity. The research explored the relevant issues from the...
Research Methodologies and Statistical Approaches to Understanding Driver Fatigue Factors in Motor Carrier Safety and Driver Health
The CNSTAT study panel completed the following tasks:Evaluated and identified the most promising data collection methods for improved understanding of factors related to commercial motor vehicle driver fatigue, safety, and health.Reviewed data collection methods, including survey techniques,...Contact Us
In the table below, you can find the FMCSA contact center that best addresses your needs.
HeadquartersFederal Motor Carrier Safety Administration United States Department of Transportation 1200 New Jersey Avenue SE Washington, DC 20590
FMCSA Office of...How to Comment on FMCSA Rulemakings
How do I comment on a rulemaking?
You may comment on rulemakings published by any modal administration of the U.S. Department of Transportation either electronically or in writing. Submit written, signed comments to the docket number appearing in the heading of the rulemaking to Docket...
Best Practices for DOT Random Drug and Alcohol Testing
The purpose of this publication is to help DOT covered employers and service agents in implementing and evaluating their own random tes ting programs. While DOT regulations serve as a mandatory minimum and do not prevent additional practices that serve the effectiveness of a testing program, don...