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Showing 541 - 560 of 16684 results
  • Surface Transportation System Funding Alternatives Phase II Evaluation Washington State Transportation Commission Road Usage Charge Pilot
    Surface Transportation System Funding Alternatives Phase II Evaluation: Washington State Transportation Commission Road Usage Charge Pilot
    Sethi, Sonika ;
    Pierce, Ben
    2024-05-01 | PDF
    This report presents the independent evaluation results of Washington State Transportation Commission’s (WSTC) road usage charge (RUC) pilot. The pilot received fiscal year (FY) 2016 and 2017 funding under the U.S. Department of Transportation’s (USDOT) Surface Transportation System Funding Alternatives (STSFA) program. The FY 2016 and FY 2017 fund ...
  • Development of Reference Specimens for Laboratory Testing
    Development of Reference Specimens for Laboratory Testing
    Niederleithinger, Ernst ;
    Köpp, Christian
    2024-05-01 | PDF
    Engineers and bridge owners have widely used nondestructive evaluation (NDE) methods for the assessment and inspection of reinforced concrete structures. The creation of reference specimens featuring structural defects commonly encountered in the field is crucial for enhancing understanding of NDE technologies and certifying NDE service providers. ...
  • Developing and Using a Concept of Operations for Traffic Management SystemsCurrent Practices
    Developing and Using a Concept of Operations for Traffic Management Systems—Current Practices
    Randall, Jeffrey ;
    Buccino, Alyssa
    2024-05-01 | PDF
    This report highlights challenges, opportunities, lessons learned, practices, and issues agencies may consider in the process of updating or developing a concept of operations (ConOps) and the associated requirements for a current traffic management system (TMS) or the next generation of an agency’s TMS. It addresses how the ConOps and requirements ...
  • Special Issue Weekly Motor Fuel Report Gasoline Product Supplied for Fiscal Year Week No 30 Data Complete Through 4262024
    Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 30, Data Complete Through 4/26/2024
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2024-05-01 | Special Issue - Weekly Motor Fuel Report | PDF
    The Gasoline Product Supplied report offers insight on weekly fluctuation of the gasoline product supply, which is an important part of any analysis of construction trends, materials and operating costs associated with highway repair and construction, and changes in traffic volume. These data come directly from the Energy Information Administration ...
  • Third Generation Simulation Data TGSIM A Closer Look at The Impacts of Automated Driving Systems on Human Behavior
    Third Generation Simulation Data (TGSIM): A Closer Look at The Impacts of Automated Driving Systems on Human Behavior
    Talebpour, Alireza ;
    Mahmassani, Hani S.
    2024-05-01 | PDF
    This study collected and processed accurate trajectory datasets capable of characterizing human-automated vehicle interactions under a diverse set of scenarios in highway and city environments. Multiple methods were utilized to collect data: fixed location aerial videography, moving aerial videography, and infrastructure-based videography. Fixed lo ...
  • Effects of Work Zone Infrastructure on Transitioning from Automated to Manual Driving for Work Zones with Lane Reductions
    Effects of Work Zone Infrastructure on Transitioning from Automated to Manual Driving for Work Zones with Lane Reductions
    Sanchez, Robert ;
    Weaver, Starla
    2024-05-01 | PDF
    This study explored the impact of work zone infrastructure on driver response when transitioning vehicle control from SAE International (SAE) Level 2 automation to the human driver (SAE 2014). Study participants drove a test vehicle at about 50 mph on a four-lane, undivided, closed-track highway. The participants drove two passes through a work zon ...
  • Kentucky Transportation Cabinet ETicketing Peer Exchange Tech Brief
    Kentucky Transportation Cabinet E-Ticketing Peer Exchange [Tech Brief]
    Sadasivam, Suriyanarayanan
    2024-05-01 | PDF
    The Kentucky Transportation Cabinet (KYTC) is an early adopter of e-Ticketing. KYTC conducted its first pilots on five asphalt resurfacing projects in the summer of 2018, and completed 41 e-Ticketing projects between 2018 and 2022. KYTC used a special note and bid item to include a fleet management solution for e-Ticketing for these projects. In re ...
  • Air Quality Sustainable Transportation Highlights MayJune 2024
    Air Quality + Sustainable Transportation Highlights: May/June 2024
    United States. Department of Transportation. Federal Highway Administration. Office of Natural Environment
    2024-05-01 | Air Quality + Sustainable Transportation Highlights | PDF
    This brief newsletter keeps transportation stakeholders up-to-date on various issues related to transportation and climate change.
  • Correlation of Bridge Deck Deterioration with Truckload Spectra Based on NBI Condition Rating and WeighInMotion Data
    Correlation of Bridge Deck Deterioration with Truckload Spectra Based on NBI Condition Rating and Weigh-In-Motion Data
    Yang, Chan ;
    Lou, Peng
    2024-05-01 | PDF
    This summary report presents results from a study that established a relationship between truckload spectra and bridge service life at the national, regional, and State levels. Weigh-in-motion data and bridge inspection data were obtained nationwide from the Long-Term Pavement Performance (LTPP) and Long-Term Bridge Performance Programs (LTBP), res ...
  • Implementation of ETicketing at North Dakota Department of Transportation Application Note
    Implementation of E-Ticketing at North Dakota Department of Transportation [Application Note]
    United States. Department of Transportation. Federal Highway Administration
    2024-05-01 | PDF
    North Dakota Department of Transportation (NDDOT) began piloting e- Ticketing in areas throughout the state beginning in 2018. The agency’s first attempts identified some minor issues that it needed to address, including unexpected or heightened costs, cellular coverage issues, and set up and training. After these initial experiences, NDDOT conclud ...
  • Accelerated Implementation and Deployment of Advanced Digital Construction Management Systems ADCMS Report to Congress
    Accelerated Implementation and Deployment of Advanced Digital Construction Management Systems (ADCMS): Report to Congress
    United States. Department of Transportation. Federal Highway Administration
    2024-05-01 | PDF
    This report is required by Section 13006(d) of the Bipartisan Infrastructure Law (BIL) (enacted as the Infrastructure Investment and Jobs Act (Pub. L. 117-58, Nov. 15, 2021)), which directed the Secretary of Transportation to produce a report on Advanced Digital Construction Management System (ADCMS) technologies. It discusses advanced technologies ...
  • An OpenSource Tool to Enable Interoperable Connectivity
    An Open-Source Tool to Enable Interoperable Connectivity
    United States. Federal Highway Administration. Office of Safety and Operations Research and Development
    2024-05-01 | PDF
    This fact sheet highlights the efforts of the Federal Highway Administration's (FHWA's) efforts to enhance interoperable connectivity, which seek to build on existing open-source software applications for communication among all parts of a connected deployment, including vehicles, infrastructure, pedestrians, cyclists, and emergency services.
  • Traffic Volume Trends May 2024
    Traffic Volume Trends: May 2024
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2024-05-01 | PDF
    Traffic Volume Trends is a monthly report based on hourly traffic count data reported by the States. These data are collected at approximately 5,000 continuous traffic counting locations nationwide and are used to estimate the percent change in traffic for the current month compared with the same month in the previous year. Estimates are re-adjuste ...
  • Aligning Traffic Management Center Staffing Capabilities for the Future of Systems Operations
    Aligning Traffic Management Center Staffing Capabilities for the Future of Systems Operations
    Burgess, Lisa ;
    Dale, Jeffery W.
    2024-05-01 | PDF
    This report explores the range of issues that agencies face in evaluating staffing needs to plan, implement, operate, and maintain traffic management systems (TMSs), with an emphasis on staffing needs at the traffic management center (TMC). As TMSs grow more complex and agencies migrate to their next generations, advanced technologies and new opera ...
  • Using Text Messaging to Locate and Verify Incidents Outside of Traffic Management System Coverage Areas
    Using Text Messaging to Locate and Verify Incidents Outside of Traffic Management System Coverage Areas
    United States. Department of Transportation. Federal Highway Administration
    2024-05-01 | PDF
    This fact sheet focuses on traveler direct text messaging applications. Readers will understand how direct text messaging allows operators to do the following: Identify incidents more quickly; Verify incident details and location; Share incident information to facilitate incident response.Readers will also be able to identify the range of considera ...
  • Implementation of ETicketing in California Application Note
    Implementation of E-Ticketing in California [Application Note]
    United States. Department of Transportation. Federal Highway Administration
    2024-05-01 | PDF
    In 2020, the California Department of Transportation (Caltrans) began preliminary piloted use of e-Ticketing on construction projects with hot mix asphalt (HMA). Caltrans limited use to partial segments of 12 projects from May 2021 until November 2022, when Caltrans had our first peer exchange with other State Departments of Transportation (DOTs) a ...
  • TPF5385 Pavement Structural Evaluation with Traffic Speed Deflection Devices TSDDs
    TPF-5(385) Pavement Structural Evaluation with Traffic Speed Deflection Devices (TSDDs)
    United States. Department of Transportation. Federal Highway Administration. Turner-Fairbank Highway Research Center
    2024-05-01 | PDF
    The Transportation Pooled Fund (TPF-5) (385) study established a research consortium that provides participating agencies with guidelines on collecting data with Traffic Speed Deflection Devices (TSDDs), including how to apply and interpret the data and integrate it into pavement management system (PMS) decision making processes. The lack of availa ...
  • Using Public Engagement to Respond to Community Needs and Priorities Rethinking I94 and Reconnecting Communities in the Twin Cities
    Using Public Engagement to Respond to Community Needs and Priorities: Rethinking I-94 and Reconnecting Communities in the Twin Cities
    United States. Department of Transportation. Federal Highway Administration
    2024-04-30 | PDF
    In the 1960s, during a major national expansion of the United States Interstate Highway System, the Minnesota Highway Department (now Minnesota Department of Transportation (MnDOT)) routed I-94 through the heart of the Twin Cities of Minneapolis and St. Paul, Minnesota. As was the case in many cities where construction of an interstate highway and ...
  • Innovative Highway Project Delivery Methods Safety Contingency Funding factsheet
    Innovative Highway Project Delivery Methods: Safety Contingency Funding [factsheet]
    United States. Department of Transportation. Federal Highway Administration
    2024-04-24 | PDF
    Change orders are the traditional mechanism used to address unforeseen conditions that arise during construction. Unfortunately, when unexpected traffic safety concerns are identified during the project, the time and labor required for processing and approving a change order may impede efforts to address the safety issues quickly and efficiently. E ...
  • Special Issue Weekly Motor Fuel Report Gasoline Product Supplied for Fiscal Year Week No 29 Data Complete Through 4192024
    Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 29, Data Complete Through 4/19/2024
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2024-04-24 | Special Issue - Weekly Motor Fuel Report | PDF
    The Gasoline Product Supplied report offers insight on weekly fluctuation of the gasoline product supply, which is an important part of any analysis of construction trends, materials and operating costs associated with highway repair and construction, and changes in traffic volume. These data come directly from the Energy Information Administration ...
541 - 560 / 16684
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