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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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0 of 1000
Showing 7861 - 7880 of 36114 results
  • Integration of transportation for improved mobility
    Integration of transportation for improved mobility.
    Sriraj, P. S. ;
    Metaxatos, Paul
    2017-07-04 | PDF
    Mobility management and improvement have become the focal point of the federal, state, and local transportation agencies over the last decade. Even with decreasing vehicle-miles-traveled (VMT) over the same time span, the congestion and delays have not improved leading to a renewed focus on multimodal solutions at all levels. While multimodalism ha ...
  • Illinois highway materials sustainability efforts of 2016
    Illinois highway materials sustainability efforts of 2016.
    Lippert, David L. ;
    Wu, Shenghua
    2017-07-04 | PDF
    This report provides a summary of the sustainability efforts of the Illinois Department of Transportation (IDOT) in recyclingreclaimed materials in highway construction during calendar year 2016. This report meets the requirements of Illinois Public Act097-0314 by documenting IDOT’s efforts to reduce the carbon footprint and achieve cost savings th ...
  • Planning ahead for livable communities along the PowellDivision Bus Rapid Transit neighborhood conditions and change
    Planning ahead for livable communities along the Powell–Division Bus Rapid Transit : neighborhood conditions and change.
    Bates, Lisa K. ;
    Golub, Aaron
    2017-07-04 | PDF
    New transit investments can be a double-edged sword for disadvantaged communities (e.g., those included in environmental justice and TitleVI protected classes). Transit investments improve communities’ mobility and access, and may improve health with reduced driving. However,there is also the potential for transit-oriented development (TOD) to spur ...
  • Development of a process for quantifying the benefits of research final report
    Development of a process for quantifying the benefits of research : final report.
    Preston, Howard ;
    Bennett, Jacqueline Dowds
    2017-07-04 | PDF
    MnDOT Research Services funds and administers approximately 180 transportation research projects annually at a cost of slightly more than $3 million. This project developed an easy-to-apply process for quantifying the potential benefits of research and comparing the monetary benefits of implemented research results with the cost of doing the resear ...
  • Analysis of local bus markets volume II rider characteristics final report
    Analysis of local bus markets : volume II – rider characteristics : final report.
    Deka, Devajyoti
    2017-07-04 | PDF
    Despite having an extensive network of public transit, traffic congestion and transportation-related greenhouse gas (GHG) emissions are significant concerns in New Jersey. This research hypothesizes that traffic congestion and air quality concerns in the state would be much greater in the absence of public transit. With this hypothesis, the study e ...
  • Analysis of local bus markets volumes I III technical brief
    Analysis of local bus markets – volumes I - III: technical brief.
    Deka, Devajyoti
    2017-07-04 | PDF
    Despite having an extensive network of public transit, traffic congestion and transportation-related greenhouse gas (GHG) emissions are significant concerns in New Jersey. This research examines the congestion and GHG impacts of transit by exclusively focusing on local buses in selected parts of the state. It involved a large-scale onboard survey o ...
  • INTEGRATING MESOAND MICROSIMULATION MODELS TO EVALUATE TRAFFIC MANAGEMENT STRATEGIES YEAR 2
    INTEGRATING MESO-AND MICRO-SIMULATION MODELS TO EVALUATE TRAFFIC MANAGEMENT STRATEGIES, YEAR 2
    Mirchandani, Pitu B. ;
    Li, Pengfei
    2017-07-04 | PDF
    In the Year 1 Report, the Arizona State University (ASU) Project Team described the development of a hierarchical multi-resolution simulation platform to test proactive traffic management strategies. The scope was to integrate an easily available micro-simulation model VISSIM [2, 4] with an open-source mesoscopic DTA simulator being developed at AS ...
  • Design and Evaluation of Scour for Bridges Using HEC18 Volume 2 of 3
    Design and Evaluation of Scour for Bridges Using HEC-18 (Volume 2 of 3).
    Schuring, John R. ;
    Dresnack, Robert
    2017-07-04 | PDF
    The overall objective of this research is the development of a new approach for evaluating bridge scour for New Jersey's bridges on non-tidal waterways. The study commenced with a web-based survey of scour practice within the U.S. and a literature review of predictive scour models. The major project deliverable is a new Scour Evaluation Model (SEM) ...
  • Technology Today Volume 31 Issue 4 Summer 2017
    Technology Today, Volume 31, Issue 4, Summer 2017.
    Louisiana Transportation Research Center
    2017-07-04 | PDF
    No Description
  • Analysis of local bus markets volume III travel characteristics final report
    Analysis of local bus markets : volume III – travel characteristics : final report.
    Deka, Devajyoti
    2017-07-04 | PDF
    Despite having an extensive network of public transit, traffic congestion and transportation-related greenhouse gas (GHG) emissions are significant concerns in New Jersey. This research hypothesizes that traffic congestion and air quality concerns in the state would be much greater in the absence of public transit. With this hypothesis, the study e ...
  • Ranking northeast Illinois new starts transit potential expansion for Metra and CTA
    Ranking northeast Illinois new starts transit potential expansion for Metra and CTA.
    Sriraj, P. S. ;
    Snow, Jordan
    2017-07-04 | PDF
    Large scale public investment initiatives are always subject to tremendous scrutiny and are looked at through the prism of multiple stakeholders and constituents. It is thus imperative to ensure a level of transparency when it comes to the decision making process associated with project selection, prioritization, and ranking. This report reviews th ...
  • Design and Evaluation of Scour for Bridges Using HEC18 Volume 1 of 3
    Design and Evaluation of Scour for Bridges Using HEC-18 (Volume 1 of 3).
    Schuring, John R. ;
    Dresnack, Robert
    2017-07-04 | PDF
    The overall objective of this research is the development of a new approach for evaluating bridge scour for New Jersey's bridges on non-tidal waterways. The study commenced with a web-based survey of scour practice within the U.S. and a literature review of predictive scour models. The major project deliverable is a new Scour Evaluation Model (SEM) ...
  • Analysis modeling and simulation AMS testbed development and evaluation to support dynamic mobility applications DMA and active transportation and demand management ATDM programs evaluation summary for ATDM program
    Analysis, modeling, and simulation (AMS) testbed development and evaluation to support dynamic mobility applications (DMA) and active transportation and demand management (ATDM) programs — evaluation summary for ATDM program.
    Yelchuru, Balaji ;
    Kamalanathsharma, Raj
    2017-07-04 | PDF
    The primary objective of this project is to develop multiple simulation testbeds/transportation models to evaluate the impacts of Dynamic Mobility Application (DMA) connected vehicle applications and Active Transportation and Dynamic management (ATDM) strategies. While the project aims at evaluating both DMA applications and ATDM strategies, the pr ...
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    Design and Evaluation of Scour for Bridges Using HEC-18 (Volume 3 of 3).
    Schuring, John R. ;
    Dresnack, Robert
    2017-07-04 | PDF
    The overall objective of this research is the development of a new approach for evaluating bridge scour for New Jersey's bridges on non-tidal waterways. The study commenced with a web-based survey of scour practice within the U.S. and a literature review of predictive scour models. The major project deliverable is a new Scour Evaluation Model (SEM) ...
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    Midwest States Accelerated Testing Program: Well Bonded Superpave Overlays on Hot Mix Asphalt
    Mealiff, Daniel D. ;
    Wu, Xindong
    2017-07-04 | PDF
    The construction of hot-mix asphalt (HMA) overlay or multiple lifts involves spraying tack coat onto the existing surface to obtain a good bond and to ensure that the multiple pavement layers behave monolithically. Insufficient tack coat application has been linked to premature cracking failure. The Kansas Department of Transportation (KDOT) regula ...
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    Deka, Devajyoti
    2017-07-04 | PDF
    Despite having an extensive network of public transit, traffic congestion and transportation-related greenhouse gas (GHG) emissions are significant concerns in New Jersey. This research hypothesizes that traffic congestion and air quality concerns in the state would be much greater in the absence of public transit. With this hypothesis, the study e ...
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    Chen, Mei ;
    Zhang, Xu
    2017-07-04 | PDF
    This report documents the findings of Planning Study 27, Collection and Analysis of 2013-2014 Travel Time Data, which is a continuation of Planning Study 24, Analysis of Historical Travel Time Data. The main scope is to analyze newly acquired link-referenced speed data on Kentucky roads from 2013 and 2014. Travel time-based performance measures dev ...
  • Analysis modeling and simulation AMS testbed development and evaluation to support dynamic mobility applications DMA and active transportation and demand management ATDM programs evaluation summary for DMA program
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    Yelchuru, Balaji ;
    Kamalanathsharma, Raj
    2017-07-04 | PDF
    The primary objective of this project is to develop multiple simulation testbeds/transportation models to evaluate the impacts of Dynamic Mobility Application (DMA) connected vehicle applications and Active Transportation and Demand management (ATDM) strategies. While the project aims at evaluating both DMA applications and ATDM strategies, the pri ...
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    Proposed testing of concrete sealers.
    Wells, Danny ;
    Palle, Sudhir
    2017-07-04 | PDF
    Chlorides, in sufficient concentrations, will cause corrosion of steel reinforcement in bridge decks. Previous studies have shown that de-icing chemicals and practices used by the Kentucky Transportation Cabinet (KYTC) can result in problematic levels of chloride at steel reinforcing depths in a relatively short amount of time. With the advent of l ...
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    Gransberg, Douglas D. ;
    Jeong, H. David
    2017-07-01 | PDF
    This report contains the information and background on top-down cost estimating using artificial neural networks (ANN)_to enhance the accuracy of MDT early estimates of construction costs. Upon conducting an extensive review of MDT’s budgeting and cost estimating efforts, and following a survey of agency experts on the identification of the most sa ...
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