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Showing 181 - 200 of 472 results
  • Results from the 2011 Drug and Alcohol Testing Survey Analysis Brief
    Results from the 2011 Drug and Alcohol Testing Survey: Analysis Brief
    United States. Federal Motor Carrier Safety Administration
    2014-02-01 | PDF
    This report summarizes the results of the 2011 Federal Motor Carrier Safety Administration (FMCSA) Drug and Alcohol Testing Survey. This annual survey measures the percentage of drivers with commercial driver’s licenses (CDLs) who test positive for controlled substances (referred to as drugs in this report) and/or alcohol, as a result of random and ...
  • Advanced Sensors and Applications Commercial Motor Vehicle Tire Pressure Monitoring and Maintenance
    Advanced Sensors and Applications: Commercial Motor Vehicle Tire Pressure Monitoring and Maintenance
    Brady, Stephen ;
    Van Order, Deborah
    2014-02-01 | PDF
    This study evaluated the costs and benefits of tire pressure monitoring and maintenance systems for commercial fleets by conducting a yearlong field test. Specifically, the study’s goal was to determine whether these systems could influence maintenance intervals and practices and improve performance and safety.The team evaluated tire pressure monit ...
    Supporting Files
  • The Carrier Safety Measurement System CSMS Effectiveness Test by Behavior Analysis and Safety Improvement Categories BASICs
    The Carrier Safety Measurement System (CSMS) Effectiveness Test by Behavior Analysis and Safety Improvement Categories (BASICs)
    John A. Volpe National Transportation Systems Center (U.S.)
    2014-01-24 | PDF
    The Carrier Safety Measurement System (CSMS) is the Federal Motor Carrier Safety Administration’s (FMCSA's) workload prioritization tool. This tool is used to identify carriers with potential safety issues so that they are subject to interventions (i.e., actions used by FMCSA to encourage or enforce safe motor carrier practices) as part of FMCSA’s ...
  • Field Study on the Efficacy of the New Restart Provision for Hours of Service Final Report
    Field Study on the Efficacy of the New Restart Provision for Hours of Service [Final Report]
    Van Dongen, Hans P.A. ;
    Mollicone, Daniel J.
    2014-01-01 | PDF
    The objective of this research project was to examine the efficacy of the new restart rule promulgated as partof the Hours of Service of Drivers Final Rule, published on December 27, 2011, with a compliance date of July 1, 2013. Under the new restart rule, if commercial motor vehicle (CMV) drivers choose to use a provision allowing “restart” of the ...
  • Field Study on the Efficacy of the New Restart Provision for Hours of Service Research Brief
    Field Study on the Efficacy of the New Restart Provision for Hours of Service [Research Brief]
    United States. Federal Motor Carrier Safety Administration. Technology Division
    2014-01-01 | PDF
    The objective of this research project was to examine the efficacy of the new restart rule promulgated as partof the Hours of Service of Drivers Final Rule, published on December 27, 2011, with a compliance date of July 1, 2013. Under the new restart rule, if commercial motor vehicle (CMV) drivers choose to use a provision allowing “restart” of the ...
  • Report to Congress Field Study on the Efficacy of the New Restart Provision for Hours of Service
    Report to Congress: Field Study on the Efficacy of the New Restart Provision for Hours of Service
    United States. Federal Motor Carrier Safety Administration. Technology Division
    2014-01-01 | PDF
    No Description
  • Federal Motor Carrier Safety Administrations Advanced System Testing Utilizing a Data Acquisition System on the Highways FAST DASH Safety Technology Evaluation Project 1 Blindspot Warning Final Report
    Federal Motor Carrier Safety Administration’s Advanced System Testing Utilizing a Data Acquisition System on the Highways (FAST DASH): Safety Technology Evaluation Project #1 Blindspot Warning: Final Report
    Schaudt, William A ;
    Bowman, Darrell S
    2014-01-01 | PDF
    The purpose of the Federal Motor Carrier Safety Administration’s (FMCSA’s) Advanced System Testing utilizing a Data Acquisition System on the Highways (FAST DASH) program is to conduct an efficient and independent evaluation of promising safety technologies aimed at improving commercial motor vehicle (CMV) operations. The CMV safety technology eval ...
  • FAST DASH Safety Technology Evaluation Project 1 Blindspot Warning 2012
    FAST DASH: Safety Technology Evaluation Project #1 -- Blindspot Warning 2012
    United States. Federal Motor Carrier Safety Administration. Technology Division
    2014-01-01 | PDF
    The purpose of FMCSA’s SmartPark initiative is to determine the feasibility of a technology for providing truck parking space availability in real time to truckers on the road. SmartPark consists of two phases. Phase I was a field operational test (FOT) to determine the accuracy and reliability of a technology for counting truck parking space avail ...
  • Recommended Practices to Improve Nurse Tank Safety Phase II
    Recommended Practices to Improve Nurse Tank Safety : Phase II
    United States. Federal Motor Carrier Safety Administration. Technology Division
    2013-12-07 | PDF
    This project addressed four topics: Pinhole leaks in nurse tanks were studied by radiography, serial milling, and side-angle ultrasound. These measurements indicated that welding surfaces contaminated by water, mill scale, rust, or other contaminants caused weld porosity that caused greatly accelerated metal fatigue of remaining non-porous wall thi ...
  • Recommended Practices to Improve Nurse Tank Safety Phase II
    Recommended Practices to Improve Nurse Tank Safety: Phase II
    United States. Federal Motor Carrier Safety Administration. Technology Division
    2013-12-01 | PDF
    This project addressed four topics:• Pinhole leaks in nurse tanks were studied by radiography, serial milling, and side-angle ultrasound. These measurements indicated that welding surfaces contaminated by water, mill scale, rust, or other contaminants caused weld porosity that caused greatly accelerated metal fatigue of remaining non-porous wall th ...
  • SmartPark Technology Demonstration Project
    SmartPark Technology Demonstration Project
    Lopez-Jacobs, Von ;
    Ellerbee, Jason
    2013-11-01 | PDF
    The purpose of FMCSA’s SmartPark initiative is to determine the feasibility of a technology for providing truck parking space availability in real time to truckers on the road. SmartPark consists of two phases. Phase I was a field operational test (FOT) to determine the accuracy and reliability of a technology for counting truck parking space avail ...
  • SmartPark Technology Demonstration Project
    SmartPark Technology Demonstration Project
    United States. Federal Motor Carrier Safety Administration. Technology Division
    2013-11-01 | PDF
    This research project studied causes and possible remediation inspection strategies to prevent failures for anhydrous ammonia (NH3) nurse tanks. Nurse tanks are steel tanks used to transport NH3 locally over public roadways and farm fields. Many of the reportedly 200,000 nurse tanks in use in the United States are 3 to 5 decades old. Several tank f ...
  • SmartPark Technology Demonstration Project
    SmartPark Technology Demonstration Project
    United States. Federal Motor Carrier Safety Administration. Technology Division
    2013-11-01 | PDF
    The purpose of FMCSA’s SmartPark initiative is to determine the feasibility of a technology for providing truck parking space availability in real time to truckers on the road. SmartPark consists of two phases. Phase I was a field operational test (FOT) to determine the accuracy and reliability of a technology for counting truck parking space avail ...
  • SmartPark Technology Demonstration Project
    SmartPark Technology Demonstration Project
    United States. Federal Motor Carrier Safety Administration. Technology Division
    2013-11-01 | PDF
    No Description
  • Testing and Recommended Practices to Improve Nurse Tank Safety Phase I
    Testing and Recommended Practices to Improve Nurse Tank Safety, Phase I
    Russell, Alan M. ;
    Chumbley, L. Scott
    2013-10-01 | PDF
    This research project studied causes and possible remediation inspection strategies to prevent failures for anhydrous ammonia (NH3) nurse tanks. Nurse tanks are steel tanks used to transport NH3 locally over public roadways and farm fields. Many of the reportedly 200,000 nurse tanks in use in the United States are 3 to 5 decades old. Several tank f ...
  • Testing and Recommended Practices to Improve Nurse Tank Safety Phase I Research Brief
    Testing and Recommended Practices to Improve Nurse Tank Safety, Phase I [Research Brief]
    United States. Department of Transportation. Federal Motor Carrier Safety Administration. Office of Analysis, Research, and Technology
    2013-10-01 | PDF
    This study focuses on determining causes and possible inspection remediation strategies to reduce the occurrence of anhydrous ammonia (NH3) nurse tank failures. Nurse tanks are cylindrical steel tank shells with hemispherical or elliptical end caps referred to as heads, designed to hold NH3 in liquid form under pressure (see Figure 1). Widely used ...
  • Onboard Safety System Effectiveness Evaluation Tech Brief
    Onboard Safety System Effectiveness Evaluation [Tech Brief]
    United States. Federal Motor Carrier Safety Administration. Technology Division
    2013-10-01 | PDF
    This research study evaluated three vehicle-based driver assistance technologies that aim to improve the safety of in-service commercial motor vehicle (CMV) operations. These commonly deployed onboard safety systems (OBSS)—lane departure warning (LDW), roll stability control (RSC), and forward collision warning (FCW)—were examined using existing cr ...
  • Onboard Safety Systems Effectiveness Evaluation Final Report
    Onboard Safety Systems Effectiveness Evaluation Final Report
    Hickman, Jeffrey S. ;
    Feng, Guo
    2013-10-01 | PDF
    The purpose of this project was to conduct a retrospective effectiveness evaluation study on three commonly deployed onboard safety system (OBSS) types using previous data acquired directly from participating motor carriers. These OBSS technologies included lane departure warning (LDW), roll stability control (RSC), and forward collision warning (F ...
  • Safety Analysis and Industry Impacts of the PreEmployment Screening Program PSP
    Safety Analysis and Industry Impacts of the Pre-Employment Screening Program (PSP)
    United States. Federal Motor Carrier Safety Administration. Analysis Division
    2013-10-01 | PDF
    In this report, FMCSA analyzes the safety impacts of the Pre-Employment Screening Program (PSP) and presents metrics and anecdotal information on attitudes of carriers using PSP. The safety impacts are examined by comparing the crash rates and driver out-of-service (OOS) rates during the 12-month time periods prior to and after the start of PSP use ...
  • Safety Analysis and Industry Impacts of the PreEmployment Screening Program PSP
    Safety Analysis and Industry Impacts of the Pre-Employment Screening Program (PSP)
    United States. Federal Motor Carrier Safety Administration. Analysis Division
    2013-10-01 | PDF
    No Description
181 - 200 / 472