An independent evaluation of a non-video-based onboard monitoring system (OBMS) was conducted. The objective was to determine if the OBMS system performed reliably, improved driving safety and performance, and improved fuel efficiency in a commercial motor vehicle (CMV) operation. The study involved a controlled test on the Virginia Smart Road and
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United States. Department of Transportation. Federal Motor Carrier Safety Administration
2016-11-01
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PDF
Motorcoach crashes—when they occur—can involve multiple injuries and deaths, beyond what is typically experienced in light vehicle crashes. Driver error is often cited as a factor in these crashes, with distraction and drowsiness being primary concerns. When compared to truck crashes, bus fatalities occur at a rate that is more than one-third highe
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United States. Department of Transportation. Federal Motor Carrier Safety Administration
2016-11-01
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PDF
The Carrier Intervention Effectiveness Model (CIEM) provides the Federal Motor Carrier Safety Administration (FMCSA) with a tool for measuring the safety benefits of carrier interventions conducted under the Compliance, Safety, Accountability (CSA) enforcement program. The CSA program includes an array of carrier intervention types that replace the
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United States. Department of Transportation. Federal Motor Carrier Safety Administration
2016-11-01
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PDF
The Federal Motor Carrier Safety Administration (FMCSA) established the FAST DASH program to perform efficient independent evaluations of promising safety technologies aimed at commercial vehicle operations. In this third FAST DASH safety technology evaluation project, researchers evaluated a set of novel prototype mirrors to determine whether the
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United States. Department of Transportation. Federal Motor Carrier Safety Administration
2016-11-01
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PDF
The Federal Motor Carrier Safety Administration (FMCSA) established the FAST DASH program to perform efficient independent evaluations of promising safety technologies aimed at commercial vehicle operations. In this second FAST DASH safety technology evaluation project, researchers evaluated an onboard monitoring system (OBMS). The tested OBMS—the
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This report provides an overview of the civil penalty process and an analysis of the Federal Motor Carrier Safety Administration’s (FMCSA’s) civil penalty data from January 2010 through December 2014, in terms of claimed, settled, and paid dollar amounts; violations associated with these penalties; and the time required for the Agency to process su
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This report documents a motorcoach and school bus fire safety analysis performed by the John A. Volpe National Transportation Systems Center (Volpe) for the Federal Motor Carrier Safety Administration. This report aims to: 1) identify the causes, frequency, and severity of motorcoach and school bus fires in the United States, and 2) recommend ways
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United States. Department of Transportation. Federal Motor Carrier Safety Administration
2016-11-01
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PDF
For commercial motor vehicle (CMV) drivers, safety performance depends not only on the condition of the vehicle being driven but also on the driver’s ability to operate it. Because factors such as stopping time and distance, blind spots, and limited maneuverability pose greater challenges for the driver of a large truck or bus than for drivers of o
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The Federal Motor Carrier Safety Administration (FMCSA), in cooperation with the John A. Volpe National Transportation Systems Center (Volpe), has developed a quantitative model to measure the effectiveness of motor carrier interventions in terms of estimated crashes prevented, injuries prevented, and lives saved. The model, documented in this repo
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In 2009, the Federal Motor Carrier Safety Administration (FMCSA) published findings from a study entitled “Motorcoach Fire Safety Analysis.” The objective of this study was to gather and analyze information regarding the causes, frequency, and severity of motorcoach fires. Based on study findings, analysts developed a number of recommendations for
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United States. Department of Transportation. Federal Motor Carrier Safety Administration
2016-11-01
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PDF
The primary goal of an onboard monitoring system (OBMS) is to enhance driver performance and safety. OBMSs are employed with the expectation that feedback provided concurrently (via flashing feedback lights in the vehicle) and cumulatively (via coaching by safety managers) will have a positive impact on driver performance. The Federal Motor Carrier
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An independent evaluation of a non-video-based onboard monitoring system (OBMS) was conducted. The objective was to determine if the OBMS system performed reliably, improved driving safety and performance, and improved fuel efficiency in a commercial motor vehicle (CMV) operation. The study involved a controlled test on the Virginia Smart Road and
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The onboard monitoring system (OBMS) field operational test (FOT) was conducted to determine whether onboard monitoring systems that provide real-time performance feedback to commercial truck and motorcoach drivers could reduce the number of safety-critical events (SCEs) experienced over time and improve drivers’ overall safety performance. This re
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The aim of this study was to compare the Large Truck Crash Causation Study (LTCCS) and Naturalistic Driving (ND) datasets to identify discrepancies and to determine the source(s) of these discrepancies. The project included a generalized comparative analysis of the LTCCS, General Estimates System (GES), and ND datasets and then focused on five spec
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Despite the large number of motorcoaches in the United States, there has been limited research on motorcoach operations. With more than 15 billion miles traveled per year and the transport of millions of people, crashes, when they occur, can involve multiple injuries and deaths. Driver error is often cited as a factor in these crashes, with distrac
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An independent evaluation of a set of novel prototype mirrors was conducted to determine whether the mirrors perform as well as traditional production mirrors across the basic functions of field of view (FOV), image distortion, and distance estimation. Driver acceptance of prototype mirrors was evaluated, as well. The study involved a controlled te
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United States. Federal Motor Carrier Safety Administration
2016-10-01
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PDF
This report summarizes the results of the 2014 Federal Motor Carrier Safety Administration (FMCSA) Drug and Alcohol Testing Survey. This annual survey measures the percentage of commercial driver’s license (CDL) drivers who test positive for controlled substances (herein referred to as drugs) and/or alcohol, as a result of random and non-random (i.
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United States. Department of Transportation. Federal Motor Carrier Safety Administration
2016-08-01
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PDF
The Federal Motor Carrier Safety Administration (FMCSA) was created as an operating administration within the U.S. Department of Transportation (USDOT) by the Motor Carrier Safety Improvement Act of 1999. The primary mission of FMCSA is to reduce crashes, injuries, and fatalities involving large trucks and buses. The Commercial Vehicle Information
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Drivers of cargo tank trucks need special knowledge of vehicle and load dynamics, including slosh, to handle their vehicles safely. This knowledge is reflected by a tank vehicle (N) endorsement to the commercial driver’s license (CDL). Drivers of vehicles that carry intermediate bulk containers (IBCs) aggregating to 1,000 gallons capacity or more m
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United States. Department of Transportation. Federal Motor Carrier Safety Administration
2016-08-01
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PDF
The motion of the liquid in a container, known as slosh, can cause the vehicle carrying the liquid to move appreciably beyond its normal stopping point or normal turning path. Sloshing is most pronounced when a cargo tank is partly full. The dynamics of the interaction of the liquid load and the vehicle must be appreciated by drivers if they are to
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