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The US Transportation Collection consists of documents from across all transportation modes with specific focus on research reports from US DOT, state DOTs, and other transportation organizations. Bookmark this collection: https://rosap.ntl.bts.gov/collection_ust or https://doi.org/10.21949/1530857.

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Showing 1041 - 1060 of 35448 results
  • GIS Tools to Identify Bridges with Bats Fact Sheet
    GIS Tools to Identify Bridges with Bats [Fact Sheet]
    Perez-Jimenez, Janette ;
    Koch, Jacob
    2024-04-01 | PDF
    Accurately predicting bat use of bridges is an important need for planning of bridge repair and maintenance. However, less than 1% of bridges in Ohio have been surveyed for bats, limiting the inferences that can be drawn from existing data and modelling tools. We developed a method for passive camera surveys of bat use of bridges and reevaluated OD ...
  • Economic Development Impact of ODOT Funding on Public Roadways Fact Sheet
    Economic Development Impact of ODOT Funding on Public Roadways [Fact Sheet]
    Duncan, Chandler ;
    Humagain, Prasanna
    2024-04-01 | PDF
    While the Ohio Department of Transportation (ODOT) has several models that quantify the economic benefits and impacts of its investments, the Economic Development Impact Tool (EDIT) is the unique product of national research in market access, development capacity, and historical economic performance. A review of national literature and existing ODO ...
  • Economic Development Impacts of ODOT Funding on Public Roadways
    Economic Development Impacts of ODOT Funding on Public Roadways
    Duncan, Chandler ;
    Humagain, Prasanna
    2024-04-01 | PDF
    While the Ohio Department of Transportation (ODOT) has several models that quantify the economic benefits and impacts of its investments, the Economic Development Impact Tool (EDIT) is the unique product of national research in market access, development capacity, and historical economic performance. A review of national literature and existing ODO ...
  • Reducing Vehicle Licensing and Titling Fraud
    Reducing Vehicle Licensing and Titling Fraud
    Brown, Mallory ;
    Martin, Andrew
    2024-04-01 | PDF
    This study reviews Kentucky’s vehicle licensing and registration program, evaluates methods of motor vehicle title fraud, examines current anti-fraud mechanisms in Kentucky, reports on vehicle titling and anti-fraud efforts in other states, assesses Ohio’s vehicle inspection program, and develops a proposal for a new Kentucky rebuilt title inspecti ...
  • Validation of the New Speed Zoning Method for Urban Arterials and HighSpeed Roadways in Terms of Speed Compliance and Safety Outcomes
    Validation of the New Speed Zoning Method for Urban Arterials and High-Speed Roadways in Terms of Speed Compliance and Safety Outcomes
    Anderson, Jason C.
    ORCID ICON IMG
    2024-04-01 | PDF
    This study presents the results of an analysis on the effects of Oregon’s speed zoning method on speed compliance and safety outcomes. Speed zones were selected in an urban area based on the availability of before and after speed data. Data for roadway context was collected, which included population, equity, land use, roadway, and exposure charact ...
  • Targeted Warning Messages to Protect Moving and Stationary Maintenance Lane Closures
    Targeted Warning Messages to Protect Moving and Stationary Maintenance Lane Closures
    Soltani, Iman ;
    Gao, Dechen
    2024-03-31 | PDF
    This report details the development and evaluation of an innovative component in a traffic management system aimed at enhancing safety in work zones through targeted warning messages. The primary objective of the system is to improve the rates of driver compliance with work zone guidelines presented on signages and message boards, which our studies ...
  • Development of an Immersive Training Platform for Roadway Construction Workers using Virtual Reality Technologies Policy Brief
    Development of an Immersive Training Platform for Roadway Construction Workers using Virtual Reality Technologies [Policy Brief]
    Wang, Zhenyu ;
    Lin, Pei-Sung
    2024-03-31 | PDF
    Workforce education is crucial to ensuring the safety and equality of the work environment. Immersive virtual reality (VR) training is revolutionizing workforce education, providing practical on-the-job training within a safe simulated environment. The project aimed to develop an immersive training platform using state-of-the-art VR technologies an ...
  • 07165 Logistics Sprawl Impacts on Ecommerce Travel Patterns Summary
    0-7165: Logistics Sprawl Impacts on E-commerce Travel Patterns [Summary]
    Bhat, Chandra R. ;
    Asmussen, Katherine
    2024-03-31 | PDF
    E-commerce services and facilities have the benefits of bringing new employment opportunities to communities and meeting consumer needs, but they also attract heavy traffic, which results in congestion and negative environmental and economic repercussions. This project offers a new lens for studying future e-commerce facility siting, considering cu ...
  • Integrating Road Weather Technology Data in Highway Operations Research Summary
    Integrating Road Weather Technology Data in Highway Operations [Research Summary]
    Franz, Mark L.
    2024-03-29 | PDF
    The primary objectives of this study were to establish the state-of-practice in winter weather data applications and to design a platform that integrates all weather data into a single decision support tool. Expected outcomes include documentation of the state-of-practice and interface designs for a comprehensive winter operations decision support ...
  • BIM for Bridges and Structures Final Report
    BIM for Bridges and Structures Final Report
    Mitchell, Alexa ;
    Maier, Francesca
    2024-03-21 | PDF
    In 2017, the AASHTO Committee on Bridges and Structures (COBS), Technical Committee T-19 on Software and Technology organized the pooled fund study TPF-5(372) BIM for Bridges and Structures. The pooled fund objective was to develop a standard way of exchanging 3D models and other digital data using an open, nonproprietary format. The TPF-5(372) stu ...
    Supporting Files
  • Study and Evaluation Material Response in Hot Mix Asphalt Based on Field Instrumentation Phase 3
    Study and Evaluation Material Response in Hot Mix Asphalt Based on Field Instrumentation (Phase 3)
    Tarefder, Rafiqul A. ;
    Khan, Zafrul
    2024-03-16 | PDF
    This report documents the stress-strain responses from sensors embedded inside different layers of a pavement section on Interstate I-40, near Albuquerque, New Mexico, during the Phase 3 of this project. Pavement responses were measured under real time traffic loads and routine Falling Weight Deflectometer (FWD) test loads at various weather condit ...
  • Simulating Incident Management Team Response and Performance
    Simulating Incident Management Team Response and Performance
    Macfarlane, Gregory S ;
    Jarvis, Daniel
    2024-03-01 | PDF
    The effectiveness of Incident Management Teams (IMT) in reducing the duration and impact of traffic incidents is well documented. The capacity of large-scale simulation models to illustrate the negative effects of these incidents on vehicle delays and excess user costs (EUC) is also widely recognized. However, there is a gap in research integrating ...
  • Next Generation of Traffic Management Systems and Centers A Primer
    Next Generation of Traffic Management Systems and Centers: A Primer
    Jacobson, Les ;
    McLaughlin, Katie
    2024-03-01 | PDF
    Traffic management systems (TMSs) and their centers are critical resources that offer agencies the potential to improve the safety and mobility of travel on the surface transportation system. TMSs also assist agencies with fulfilling the ever-increasing transportation needs of travelers (e.g., travel times), service providers (e.g., transit, emerge ...
  • Regional Rural Transportation Planning and the Role of the Rural Planning Organizations
    Regional Rural Transportation Planning and the Role of the Rural Planning Organizations
    Sriraj, P. S. ;
    Metaxatos, Paul
    2024-03-01 | PDF
    The purpose of this research is to identify Rural Planning Organizations (RPOs) in the State of Illinois and current practices in rural transportation planning. The research will inform IDOT on the functioning of these organizations, their sources of funding and identify gaps and redundancies in the state. The objective of this research is twofold: ...
  • A Method of Maximum Thickness for Flexible Pavement Design
    A Method of Maximum Thickness for Flexible Pavement Design
    Gatiganti, Suri ;
    Timm, David
    2024-03-01 | PDF
    Asphalt pavement thickness design, for both new and overlay scenarios, has been evolving since the 1960’s from empirical to mechanistic-empirical design frameworks. Regardless of the design methodology, the fundamental goal of thickness design has been to determine the optimum cross-section to achieve the desired performance under the prevailing co ...
  • OSTR Research Roundup Newsletter March 2024
    OST-R Research Roundup Newsletter: March 2024
    United States. Department of Transportation. Office of the Assistant Secretary for Research and Technology
    2024-03-01 | OST-R Research Roundup | PDF
    News from across OST-R and its research community.
  • Accelerating the Mix Design for CementTreated Bases
    Accelerating the Mix Design for Cement-Treated Bases
    Sebesta, Stephen ;
    Kim, Jinho
    2024-03-01 | PDF
    Cement treatment of roadway or stockpile materials enhances the strength and stiffness properties of pavement base layers to meet structural requirements in a cost-effective and sustainable manner. Historically, cement stabilization mixture design criteria relied on compressive strength test results; depending on the treatment and test method, test ...
  • WithinLab Precision of AcceleratedCure Indirect Tensile Strength
    Within-Lab Precision of Accelerated-Cure Indirect Tensile Strength
    Sebesta, Stephen ;
    Taylor, Ross
    2024-03-01 | PDF
    Research Project 0-7027 developed an accelerated mix design procedure for cement-treated base materials, with attention to test turnaround time and inclusion of moisture conditioning. This project found that the indirect tensile (IDT) strength method with a 72-hour accelerated cure (where specimens are sealed at 104°F) followed by 24-hour moisture ...
  • Concrete Bridge Deck Crack Sealing
    Concrete Bridge Deck Crack Sealing
    Issa, Mohsen A. ;
    Alawieh, Ali F
    2024-03-01 | PDF
    Bridge decks are prone to various types of cracking due to a combination of factors, including traffic loads, temperature variations, moisture, and chemical exposure. This report tackles the critical issue of bridge deck cracking by systematically dissecting the problem, exploring various crack types, and emphasizing the crucial inspection and cate ...
  • Investigation of High Mast Illumination Pole Handhole Cracking
    Investigation of High Mast Illumination Pole Handhole Cracking
    Yount, Tristan ;
    Yu, Danqing
    2024-03-01 | PDF
    High mast illumination poles (HMIPs) experience cyclic loading from wind, which can cause large deflections at the top of the pole, amplified by the mass and geometry of the luminaire. As a result, large stresses can develop at the handhole and base plate connections. These details are especially susceptible to fatigue cracking due to the combinati ...
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