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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 7741 - 7760 of 36114 results
  • A new approach to public engagement capturing better ideas and representative priorities from the public for the Illinois Department of Transportation
    A new approach to public engagement : capturing better ideas and representative priorities from the public for the Illinois Department of Transportation.
    Sweeney, Matthew ;
    Rothschild, Roy
    2017-08-15 | PDF
    In recent years, the Illinois Department of Transportation (IDOT) has devoted time and resources to improving its public engagement program and the quantity and quality of the feedback and ideas it receives from residents of Illinois. In 2016, as part of these ongoing efforts, IDOT commissioned the Institute for Policy and Civic Engagement (IPCE) a ...
  • Development of transportation asset management decision support tools final report
    Development of transportation asset management decision support tools : final report.
    Chou, Eddie Yein Juin
    ORCID ICON IMG
    2017-08-09 | PDF
    This study developed a web-based prototype decision support platform to demonstrate thebenefits of transportation asset management in monitoring asset performance, supportingasset funding decisions, planning budget tradeoffs, and optimizing resource allocations. Thegoal is to build consensus and gain senior management support for implementing asset ...
  • California Statewide Transit Strategic Plan Stakeholder Engagement Report
    California Statewide Transit Strategic Plan: Stakeholder Engagement Report
    Gahbauer, John ;
    Bains, Jasneet
    2017-08-08 | PDF
    This document, the Stakeholder Engagement Report, is the second of three reports that comprise the STSP project. The first, the Baselines Report delivered March 17, 2017, provided a descriptive profile of California’s transit systems. This report offers the results of research into the opinions and perceptions of opportunities for transit in Califo ...
  • Study of the Impacts of Implements of Husbandry on Bridges Volume II Rating and Posting Recommendations
    Study of the Impacts of Implements of Husbandry on Bridges: Volume II: Rating and Posting Recommendations
    Greimann, Lowell ;
    Phares, Brent
    2017-08-01 | PDF
    The objectives of this study were to develop guidance for engineers on how implements of husbandry loads are resisted by traditional bridges, with a specific focus on bridges commonly found on the secondary road system; provide recommendations for accurately analyzing bridges for these loading effects; and make suggestions for the rating and postin ...
  • Improvement of Base and Soil Construction Quality by Using Intelligent Compaction Technology Final Report
    Improvement of Base and Soil Construction Quality by Using Intelligent Compaction Technology : Final Report.
    Lemus, Luis ;
    Beltran, Jorge
    2017-08-01 | PDF
    Intelligent Compaction (IC) technique is a fast-developing technology for base and soilcompaction quality control. Proof-rolling subgrades and bases using IC rollers upon completion of compaction can identify the less stiff spots and significantly improve the compaction uniformity of the compacted layers. The main objective of this project was to c ...
  • Characterization of Crushed Base Materials in Wyoming Final Report 2017
    Characterization of Crushed Base Materials in Wyoming [Final Report - 2017]
    Ng, Kam ;
    Mebrahtom, Dawit
    2017-08-01 | PDF
    To improve the pavement design and construction in Wyoming, the Wyoming Department of Transportation (WYDOT) is adopting the Mechanistic-Empirical Pavement Design Guide (MEPDG). A full implementation of MEPDG requires the characterization of local crushed base materials. In this research, laboratory experiments on resilient modulus were performed t ...
    Supporting Files
  • PeertoPeer Carsharing ShortTerm Effects on Travel Behavior in Portland OR
    Peer-to-Peer Carsharing: Short-Term Effects on Travel Behavior in Portland, OR
    Dill, Jennifer ;
    McNeil, Nathan
    2017-08-01 | PDF
    Peer-to-peer (P2P) carsharing is a relatively new concept in the U.S. Enabled by recent internet and mobile technology development, P2P carsharing generally involves a facilitating company connecting private vehicle owners to people who are interested in renting a vehicle. P2P carsharing has many things in common with business-to-consumer (B2C) car ...
  • Mitigation of Expansive Soils in South Dakota
    Mitigation of Expansive Soils in South Dakota
    Cuelho, Eli ;
    Akin, Michelle
    2017-08-01 | PDF
    Expansive soils can cause considerable damage to pavements. Several localized areas on South Dakota highways have experienced significant heaving along fault gouges caused by differential shifting of discontinuous clay/shale deposits that intersect the road embankment and adjacent drainage features. The South Dakota Department of Transportation ini ...
  • Ultrahigh Performance FiberReinforced Concrete UHPFRC for Infrastructure Rehabilitation Volume II Behavior of UltraHigh Strength Concrete Bridge Deck Panels Compared to Conventional StayInPlace Deck Panels
    Ultra-high Performance Fiber-Reinforced Concrete (UHPFRC) for Infrastructure Rehabilitation Volume II: Behavior of Ultra-High Strength Concrete Bridge Deck Panels Compared to Conventional Stay-In-Place Deck Panels
    Myers, John J. ;
    Venancio, V. Gora
    2017-08-01 | PDF
    The remarkable features of ultra-high performance concrete (UHPC) have been reported. Its application in bridge construction has been an active research area in recent years, attributed to its higher compressive strength, higher ductility and reduced permeability when compared with conventional concrete and even high-strength concrete. Those charac ...
  • Commercial Truck Platooning Demonstration in Texas Level 2 Automation
    Commercial Truck Platooning Demonstration in Texas – Level 2 Automation
    Kuhn, Beverly ;
    Lukuc, Mike
    2017-08-01 | PDF
    Through this project, the Texas Department of Transportation (TxDOT) funded the creation of a comprehensive truck platooning demonstration in Texas, serving as a proactive effort in assessing innovative operational strategies to position TxDOT as a leader in this research area and the overall transportation systems management and operation using co ...
  • Educating Idaho Teenage Drivers of the Dangers of Distracted Driving
    Educating Idaho Teenage Drivers of the Dangers of Distracted Driving
    Larrea, Meagan ;
    Abdel-Rahim, Ahmed
    2017-08-01 | PDF
    The objective of this research project efforts are: 1) to develop an interactive driver-distracted presentation that can be used at different high schools in Idaho to educate teenage drivers about the danger of distracted driving, 2) to test the effectiveness of developed interactive presentation in promoting safe driving among teenage drivers, 3) ...
  • Evaluation of Work Zone Split Traffic Symbol Sign Final Report
    Evaluation of Work Zone Split Traffic Symbol Sign: Final Report
    Edara, Praveen K. ;
    Sun, Carlos
    2017-08-01 | PDF
    Effective signage that is easy to understand facilitates safe driving through a work zone. While the guidance for work zone signage in the Manual on Uniform Traffic Control Devices (MUTCD) is suitable for many conditions, there may be instances where alternative signage may be more effective at enhancing safety. This project evaluated the use of al ...
  • Evaluation of automated flagger assistance devices interim report
    Evaluation of automated flagger assistance devices : interim report.
    Brown, Henry ;
    Sun, Carlos
    2017-08-01 | PDF
    Flagger safety is an important issue in work zones due to the proximity of the flagger to traffic. Some strategies for improvingflagger safety include slowing down approaching vehicles or removing flaggers from the immediate vicinity of traffic. TheAutomated Flagger Assistance Device (AFAD) is a system that can potentially accomplish both of the af ...
  • Establishing procedures and guidelines for pedestrian treatments at uncontrolled locations
    Establishing procedures and guidelines for pedestrian treatments at uncontrolled locations
    Qi, Yan ;
    Fries, Ryan
    2017-08-01 | PDF
    Pedestrians are the most vulnerable road users. The risks to pedestrians crossing at uncontrolled locations are much higher than at signalizedintersections. There has been an increasing trend in pedestrian deaths during the past decade. Specifically, pedestrian fatality as percent oftotal fatalities indicates an increasing trend in a ten-year perio ...
  • Estimating Total Cost of Bridge Construction Using ABC and Conventional Methods of Construction
    Estimating Total Cost of Bridge Construction Using ABC and Conventional Methods of Construction
    Hadi, Mohammed ;
    Orabi, Wallied
    2017-08-01 | PDF
    One of the most important factors that the decision-makers consider when deciding on whether using ABC or not is the total construction cost of the project using these methods versus the conventional methods. The total construction cost includes both direct costs such as the material, labor, and equipment costs needed during construction and indire ...
  • Performance of TenCate Paving Interlayers in Asphalt Concrete Pavements
    Performance of TenCate Paving Interlayers in Asphalt Concrete Pavements
    Liu, Jenny ;
    Zhao, Sheng
    2017-08-01 | PDF
    This is a handbook of safety, health, and the environmental issues of the production, bulk transport, and bulk storage of alternative fuels with emphasis on transport and storage. Fuels included are: 1) compressed natural gas, 2) liquefied natural gas, 3) propane, 4) methanol and methanol blends, 5) ethanol and ethanol blends, 6) biodiesel, 7) hydr ...
  • Process for evaluating overweight truck corridors serving coastal port regions and border ports of entry
    Process for evaluating overweight truck corridors serving coastal port regions and border ports of entry
    Sassine, Chris ;
    Arce, Oscar Galvis
    2017-08-01 | PDF
    Coastal and inland ports, regional mobility authorities, cities, and counties located near or along the Texas Gulf Coast, and along the border with Mexico, have been granted authority by the state legislature to establish permitted overweight truck corridors. Though legislation grants the authority to establish a corridor and set the maximum permis ...
  • Life Cycle Assessment LCA of Ore Transportation Route Alternatives for Eagle Mine
    Life Cycle Assessment (LCA) of Ore Transportation Route Alternatives for Eagle Mine
    Oduru, Soumith ;
    Lautala, Pasi
    2017-08-01 | PDF
    One of the approaches to compare the alternatives is through Life Cycle Assessment (LCA); a method for estimating the emissions, energy consumption and environmental impacts of a project over its life cycle. This study builds on the Life Cycle (LCA) and Life Cycle Cost (LCCA) Analysis of Freight Transportation Alternatives to Copperwood Mine Projec ...
  • Successes in Stewardship 2017 FHWA Environmental Excellence Award Winners Demonstrate BudgetFriendly Best Practices in Stewardship
    Successes in Stewardship - 2017 FHWA Environmental Excellence Award Winners Demonstrate Budget-Friendly Best Practices in Stewardship
    United States. Federal Highway Administration
    2017-08-01 | PDF
    Successes in Stewardship is a Federal Highway Administration (FHWA) bimonthly newsletter highlighting current best practices in stewardship and environmental review from around the country.
  • Integral abutment bridges under thermal loading field monitoring and analysis
    Integral abutment bridges under thermal loading : field monitoring and analysis.
    LaFave, James M. ;
    Fahnestock, Larry
    2017-08-01 | PDF
    Integral abutment bridges (IABs) have gained popularity throughout the United States due to their low construction and maintenance costs. Previous research on IABs has been heavily focused on substructure performance, leaving a need for better understanding of IAB superstructure behavior and interdependent effects. This report presents findings of ...
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