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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 2961 - 2980 of 35959 results
  • Can Californian Households Save Money on Transportation Costs by Living in TransitOriented Developments TODs
    Can Californian Households Save Money on Transportation Costs by Living in Transit-Oriented Developments (TODs)?
    Dong, Hongwei
    2022-01-01 | PDF
    Many residents in large Californian metropolitan areas are heavily burdened by housing costs. Advocates, researchers, and elected officials in California are debating whether transit-oriented development (TOD) could be an effective tool to mitigate the housing affordability problem by increasing housing supply and reducing transportation costs in t ...
  • The Fresno State Transportation Challenge
    The Fresno State Transportation Challenge
    Wandeler, Christian ;
    Hart, Steve
    2022-01-01 | PDF
    The Fresno State Transportation Challenge uses an action civics approach to support K-12 students in developing transportation-related projects that have a positive impact on the community. In 2020 the goal was to expand, refine, and create structures to sustain the implementation of the Transportation Challenge across subsequent years. As a result ...
  • Development of a Bat Guano and Acoustic Sampling Testing Protocol to Identify Species Occupying Virginia Department of Transportation Bridges
    Development of a Bat Guano and Acoustic Sampling Testing Protocol to Identify Species Occupying Virginia Department of Transportation Bridges
    Taylor, Hila ;
    Powers, Karen E
    2022-01-01 | PDF
    Over half of Virginia’s extant bat species, including six imperiled bat species, have been documented as using bridges as day or night roosts. To prevent or minimize harm to these species, the Virginia Department of Transportation (VDOT) performs surveys to detect bat use in transportation structures when essential infrastructure maintenance must o ...
  • WisDOT Research Program 2022 Annual Report
    WisDOT Research Program: 2022 Annual Report
    Wisconsin. Department of Transportation
    2022-01-01 | PDF
    This is a report of research and technology transfer activities carried out by the Wisconsin Department of Transportation through the Part B research portion of the State Planning and Research Program of the Federal Highway Administration, U.S. Department of Transportation. The report describes activities during Federal Fiscal Year 2022, covering O ...
  • 20 Tips to Up Your Agencys Social Media Game
    20 Tips to Up Your Agency’s Social Media Game
    Zan Associates
    2022-01-01 | PDF
    Whether you're a social media newbie or a communications professional, there are always new trends, technology, and platforms to learn, and it can be overwhelming. This guide will help the average local transportation practitioner cut through the noise and identify best practices to more effectively communicate with local residents on social media ...
  • National Roadway Safety Strategy
    National Roadway Safety Strategy
    United States. Department of Transportation. Office of the Secretary of Transportation
    2022-01-01 | PDF
    The United States Department of Transportation National Roadway Safety Strategy (NRSS) outlines the Department’s comprehensive approach to significantly reducing serious injuries and deaths on our Nation’s highways, roads, and streets. This is the first step in working toward an ambitious long-term goal of reaching zero roadway fatalities. Safety i ...
  • Developing Balanced Mix Design Gyrations Ndesign for North Dakotas HMA Pavements
    Developing Balanced Mix Design Gyrations (Ndesign) for North Dakota’s HMA Pavements
    Suleiman, Nabil ;
    Gedafa, Daba
    2022-01-01 | PDF
    The main objective of this study was to determine the effect of varying number of design gyrations on the hot mix asphalt (HMA) performance in terms of rutting, low-temperature cracking, and fatigue cracking resistances. Project mix samples were constructed and tested based on Ndesign values of 75, 65, and 55 (or 50) gyrations. The sample matrix in ...
  • Cyclist Right Hook Risk Study Risk Diagnostic Report
    Cyclist Right Hook Risk Study: Risk Diagnostic Report
    MicroTraffic
    2022-01-01 | PDF
    MicroTraffic Risk Diagnostic Report. Near-miss data from traffic video for life-saving decisions.
  • Louisiana Transportation Research Center Annual Report 20212022
    Louisiana Transportation Research Center: Annual Report 2021–2022
    Louisiana Transportation Research Center
    2022-01-01 | PDF
    This publication is a report of the transportation research, technology transfer, education, and training activities of the Louisiana Transportation Research Center for 2021-2022. The center is sponsored jointly by the Louisiana Department of Transportation and Development and Louisiana State University.
  • Retrofit of Existing Statewide Louisiana Safety Walk Bridge Barrier Railing Systems
    Retrofit of Existing Statewide Louisiana Safety Walk Bridge Barrier Railing Systems
    Williams, William F. ;
    Menges, Wanda L.
    2022-01-01 | PDF
    Louisiana has approximately 200 miles of vintage 1960s concrete safety walk bridge rail systems currently in use on bridges throughout Louisiana. Many of these systems do not meet the current crash performance requirements of the American Association of State Highway and Transportation Officials Manual for Assessing Safety Hardware Second Edition ( ...
  • CPTLIQ Users Manual Version 142
    CPTLIQ User’s Manual: Version 1.42
    Franke, Kevin W ;
    He, Jingwen
    2022-01-01 | PDF
    This user’s manual includes a step-by-step process for using a spreadsheet tool called CPTLiq to perform simplified calculations for performance-based probabilistic earthquake hazard analysis while using Cone Penetration Test (CPT) data from site CPT soundings of soils. The simplified models provide estimates of liquefaction triggering, lateral spr ...
  • Minnesota Snow and Ice Control Handbook for Snowplow Operators 2022
    Minnesota Snow and Ice Control Handbook for Snowplow Operators [2022]
    Schaefer, Kathleen ;
    Carlson, Mindy
    2022-01-01 | PDF
    The purpose of this handbook is to help promote the understanding of the tools, best practices, and limitations for snow and ice control. The handbook will also help you understand when to use—and when not to use—these tools and practices. In addition, it encourages progressive changes in snow and ice control practices that will help you reduce sal ...
  • Climate Action Plan for Resilience 2022 Progress Report
    Climate Action Plan for Resilience: 2022 Progress Report
    United States. Department of Transportation
    2022-01-01 | PDF
    With the release of its Climate Action Plan for Resilience in 2021, USDOT has started a systematic review of its policies governing the design, major renovations, as well as facility operation and maintenance to ensure climate-resilient investment. Specifically, USDOT updated processes to use a climate resilience assessment tool to assess operating ...
  • Development of Guidelines for Establishing SharedUse Park and Ride Lots
    Development of Guidelines for Establishing Shared-Use Park and Ride Lots
    Dougald, Lance E ;
    Williams, Eric S
    2022-01-01 | PDF
    Due primarily to the expense associated with constructing new park and ride facilities, the Virginia Department of Transportation (VDOT) is interested in the concept of leasing underused parking from private lot owners to supplement construction of new or expansion of existing park and ride facilities. Limited guidance exists to address capacity-co ...
  • A Systems Approach for Design Construction and Maintenance of Bridges and Adjacent Roadways
    A Systems Approach for Design, Construction, and Maintenance of Bridges and Adjacent Roadways
    Bounds, Tommy D. ;
    Muraleetharan, K K
    2022-01-01 | PDF
    Previous research projects funded by the Oklahoma Department of Transportation, Federal Highway Administration, and other agencies have revealed that many problems faced by bridges, such as expansion joints closing, are related to how the interfaces between a bridge and the adjacent roadway are designed, constructed, and maintained. Design, constru ...
  • Forensic Evaluation of Pavement Structure Ponderosa Drive in East Baton Rouge Parish
    Forensic Evaluation of Pavement Structure: Ponderosa Drive in East Baton Rouge Parish
    Chen, Qiming ;
    Ferguson, Nicholas
    2022-01-01 | PDF
    The objective of this forensic investigation was to determine possible causes of the early pavement deterioration at Ponderosa Drive in East Baton Rouge Parish. The study comprised of pavement and geotechnical evaluation to determine structural strength of the pavement and subsurface layers. Further, asphalt field cores were obtained for subsequent ...
  • Bias Estimation of Spatiotemporal Traffic Sensor Data with PhysicsInformed Deep Learning Techniques
    Bias Estimation of Spatiotemporal Traffic Sensor Data with Physics-Informed Deep Learning Techniques
    Yang, Han
    2022-01-01 | PDF
    Efficient operations of intelligent transportation systems rely on high-quality traffic data. Infrastructure-based traffic sensors, though providing major data sources for ITS, are subject to data quality issues. Existing studies have attended to identifying malfunctioning sensors or recovering missing data. Nevertheless, critical gaps remain to be ...
  • Predicting Pavementweather to Support Winter Weather Operation in Alabama
    Predicting Pavement-weather to Support Winter Weather Operation in Alabama
    Kumar, Mukesh
    2022-01-01 | PDF
    To mitigate the challenge posed by the scarcity of pavement-weather data in Alabama, an alternative option is to model pavement-weather conditions at fine spatio-temporal resolution. In the present study, it is done using an indirect ‘signature-based’ approach that involves using weather data from the North American Land Data Assimilation System (N ...
  • Guideline for Enhancing Delineation at TxDOT Low Water Crossings
    Guideline for Enhancing Delineation at TxDOT Low Water Crossings
    Texas A&M Transportation Institute
    2022-01-01 | PDF
    The laboratory and controlled field study testing results allowed the researchers to recommend marking or marker treatments that will provide long-range warning of a flooded roadway condition at night while delivering adequate short-range visibility to help motorists traverse flooded areas during daylight and nighttime conditions. The following pro ...
  • Automatic Extraction of Vehicle Bicycle and Pedestrian Traffic From Video Data
    Automatic Extraction of Vehicle, Bicycle, and Pedestrian Traffic From Video Data
    Huynh, Nathan ;
    Mullen, Robert
    2021-12-31 | PDF
    This project investigated the use of traffic cameras to count and classify vehicles. The intent is to provide an alternative approach to pneumatic tubes for collecting traffic data at high volume locations and to eliminate safety risks to SCDOT personnel and contractors. The objective is to develop algorithms to post-process the 48-hour videos to d ...
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