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US Transportation Collection US Transportation Collection

US Transportation Collection

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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  • 07037 Develop Models for Freight Flows and Commercial Travel Patterns within Texas Urban Regions Brief
    0-7037: Develop Models for Freight Flows and Commercial Travel Patterns within Texas Urban Regions [Brief]
    Filetype[PDF - 369.41 KB]
    :
    Morgan, Curtis ;
    Sivaraman, Vijayaraghavan
    ...
    2025-08-31
    Abstract:
    This project was initiated in order to develop a model/tool that could help the Texas Department of Transportation (TxDOT) and other transportation pl...
    File Type:
    Filetype[PDF - 369.41 KB]
    File Type:
    Filetype[PDF - 369.41 KB]
  • Racial Segregation in Pasadena The Role of Freeway Development and Institutional Mechanisms
    Racial Segregation in Pasadena: The Role of Freeway Development and Institutional Mechanisms
    Filetype[PDF - 6.17 MB]
    :
    Ong, Paul M ;
    Pech, Chhandara
    ...
    2025-05-07
    Abstract:
    This study documents the historical and current patterns of racial/ethnic residential segregation in Pasadena, examining the role of freeways and othe...
    File Type:
    Filetype[PDF - 6.17 MB]
    File Type:
    Filetype[PDF - 6.17 MB]
  • Improving Guidance for Speed Safety Camera
    Improving Guidance for Speed Safety Camera
    Filetype[PDF - 10.13 MB]
    :
    Figliozzi, Miguel ;
    Wang, Haizhong
    ...
    2025-05-01
    Abstract:
    This report synthesizes speed safety camera elements, issues, best practices, and evidence-based results identified from a national and international ...
    File Type:
    Filetype[PDF - 10.13 MB]
    File Type:
    Filetype[PDF - 10.13 MB]
  • Avoiding and Minimizing Impacts to Aquatic Resources through Construction Design Standards
    Avoiding and Minimizing Impacts to Aquatic Resources through Construction Design Standards
    Filetype[PDF - 4.68 MB]
    :
    Swedberg, Dusty A ;
    Willink, Phillip W
    ...
    2025-05-01
    Abstract:
    The primary objective was to summarize best management practices that avoid and minimize impacts on aquatic resources through construction design stan...
    File Type:
    Filetype[PDF - 4.68 MB]
    File Type:
    Filetype[PDF - 4.68 MB]
  • Testing Analysis and Load Rating of Precast Prestressed Concrete Deck Beams with Transverse Cracks
    Testing, Analysis, and Load Rating of Precast Prestressed Concrete Deck Beams with Transverse Cracks
    Filetype[PDF - 6.75 MB]
    :
    Andrawes, Bassem ;
    Gunasekaran, Dachina
    2025-05-01
    Abstract:
    This study focused on understanding the impact of transverse cracks on the residual capacity and load rating analysis of in-service precast prestresse...
    File Type:
    Filetype[PDF - 6.75 MB]
    File Type:
    Filetype[PDF - 6.75 MB]
  • Development of the Texas Freight Flow Model TFFM Application A Tool for Assessing Impacts of Changes in Freight Flows on the Texas Highway Freight Network
    Development of the Texas Freight Flow Model (TFFM) Application: A Tool for Assessing Impacts of Changes in Freight Flows on the Texas Highway Freight Network
    Filetype[PDF - 5.39 MB]
    :
    Morgan, Curtis A. ;
    Sivaraman, Vijayaraghavan
    ...
    2025-05-01
    Abstract:
    Texas Department of Transportation (TxDOT) Project 0-7037 was initiated to develop a model/tool that could help TxDOT and other transportation planner...
    File Type:
    Filetype[PDF - 5.39 MB]
    File Type:
    Filetype[PDF - 5.39 MB]
  • Impact of Heavy Commercial Electric Vehicles on Flexible Pavements
    Impact of Heavy Commercial Electric Vehicles on Flexible Pavements
    Filetype[PDF - 30.40 MB]
    :
    Jayme, Angeli ;
    Hernandez, Jaime
    ...
    2025-05-01
    Abstract:
    Heavy-duty electric vehicles (HDEV) pose challenges to flexible pavements. This study evaluated four Illinois pavement structures to quantify HDEV imp...
    File Type:
    Filetype[PDF - 30.40 MB]
    File Type:
    Filetype[PDF - 30.40 MB]
  • Determining Percentage of Recycled Asphalt Pavement in Asphalt Mixtures
    Determining Percentage of Recycled Asphalt Pavement in Asphalt Mixtures
    Filetype[PDF - 1.98 MB]
    :
    Gao, Ya ;
    Jones, Christopher
    ...
    2025-05-01
    Abstract:
    Drum mix plants are the primary hot-mix asphalt (HMA) production plants for most Kansas Department of Transportation (KDOT) projects. In drum mix plan...
    File Type:
    Filetype[PDF - 1.98 MB]
    File Type:
    Filetype[PDF - 1.98 MB]
  • Determining Percentage of Recycled Asphalt Pavement in Asphalt Mixtures Summary
    Determining Percentage of Recycled Asphalt Pavement in Asphalt Mixtures [Summary]
    Filetype[PDF - 390.84 KB]
    :
    Gao, Ya ;
    Jones, Christopher
    ...
    2025-05-01
    Abstract:
    Drum mix plants are the primary hot-mix asphalt (HMA) production plants for most Kansas Department of Transportation (KDOT) projects. In drum mix plan...
    File Type:
    Filetype[PDF - 390.84 KB]
    File Type:
    Filetype[PDF - 390.84 KB]
  • Illinois Department of Transportations Seeding Standards and Best Management Practices
    Illinois Department of Transportation’s Seeding Standards and Best Management Practices
    Filetype[PDF - 2.56 MB]
    :
    Bollinger, Wesley ;
    Bhattarai, Rabin
    ...
    2025-05-01
    Abstract:
    To provide evidence-based revisions to Section 250 of the Illinois Department of Transportation roadside specifications manual, we conducted a literat...
    File Type:
    Filetype[PDF - 2.56 MB]
    File Type:
    Filetype[PDF - 2.56 MB]
  • First Responder Interactions with Automated Vehicles An Identification of Needs and Strategies
    First Responder Interactions with Automated Vehicles: An Identification of Needs and Strategies
    Filetype[PDF - 8.71 MB]
    :
    Trefz, Bradley ;
    Ivie, Ray
    ...
    2025-05-01
    Abstract:
    The rapid deployment of automated vehicles presents both opportunities and challenges, especially for first responders tasked with ensuring public saf...
    File Type:
    Filetype[PDF - 8.71 MB]
    File Type:
    Filetype[PDF - 8.71 MB]
  • Evaluation of WrongWay Driving Countermeasures at Kansas Urban and Rural Interstate Ramps
    Evaluation of Wrong-Way Driving Countermeasures at Kansas Urban and Rural Interstate Ramps
    Filetype[PDF - 10.03 MB]
    :
    Cunningham IV, Jack R ;
    Anderson, Samantha
    ...
    2025-05-01
    Abstract:
    Wrong-way driving (WWD) incidents and crashes are a serious concern for communities throughout the United States. WWD events typically occur at high t...
    File Type:
    Filetype[PDF - 10.03 MB]
    File Type:
    Filetype[PDF - 10.03 MB]
  • Evaluation of WrongWay Driving Countermeasures at Kansas Urban and Rural Interstate Ramps Summary
    Evaluation of Wrong-Way Driving Countermeasures at Kansas Urban and Rural Interstate Ramps [Summary]
    Filetype[PDF - 281.76 KB]
    :
    Cunningham IV, Jack R ;
    Anderson, Samantha
    ...
    2025-05-01
    Abstract:
    Wrong-way driving (WWD) incidents and crashes are a serious concern for communities throughout the United States. WWD events typically occur at high t...
    File Type:
    Filetype[PDF - 281.76 KB]
    File Type:
    Filetype[PDF - 281.76 KB]
  • Investigating the Longterm Frictional Properties and Establishing Aggregate Polishness Guidelines for Asphalt Surface Mixtures in Tennessee
    Investigating the Long-term Frictional Properties and Establishing Aggregate Polishness Guidelines for Asphalt Surface Mixtures in Tennessee
    Filetype[PDF - 5.94 MB]
    :
    Huang, Baoshan ;
    Zhong, Jingtao
    ...
    2025-04-30
    Abstract:
    The frictional properties of aggregates play a significant role in determining pavement skid resistance. To preserve natural aggregates, reclaimed asp...
    File Type:
    Filetype[PDF - 5.94 MB]
    File Type:
    Filetype[PDF - 5.94 MB]
  • 07199 Identification of Needs and Strategies for First Responder Interactions with Automated Vehicles Summary
    0-7199: Identification of Needs and Strategies for First Responder Interactions with Automated Vehicles [Summary]
    Filetype[PDF - 436.90 KB]
    :
    Trefz, Bradley ;
    Ivie, Ray
    ...
    2025-04-30
    Abstract:
    The rapid deployment of automated vehicles (AVs) presents both opportunities and challenges, especially for first responders tasked with ensuring publ...
    File Type:
    Filetype[PDF - 436.90 KB]
    File Type:
    Filetype[PDF - 436.90 KB]
  • An Investigation of the Factors Surrounding Crashes and Near Crashes of ADASEquipped Vehicles
    An Investigation of the Factors Surrounding Crashes and Near — Crashes of ADAS-Equipped Vehicles
    Filetype[PDF - 2.16 MB]
    :
    Reyes, Michelle L. ;
    Roe, Cheryl A
    2025-04-01
    Abstract:
    This project aimed to investigate the impact of advanced driver assistance systems (ADAS) in real-world crashes and near-crashes. The project consider...
    File Type:
    Filetype[PDF - 2.16 MB]
    File Type:
    Filetype[PDF - 2.16 MB]
  • Experimental and Analytical Evaluation of Residual Capacity of CorrosionDamaged Prestressed Concrete Bridge Girders
    Experimental and Analytical Evaluation of Residual Capacity of Corrosion-Damaged Prestressed Concrete Bridge Girders
    Filetype[PDF - 4.83 MB]
    :
    Alfailakawi, Ali ;
    Roberts-Wollmann, C L
    ...
    2025-04-01
    Abstract:
    The durability of infrastructure components, such as prestressed concrete bridge beams, can be significantly affected by long-term deterioration assoc...
    File Type:
    Filetype[PDF - 4.83 MB]
    File Type:
    Filetype[PDF - 4.83 MB]
  • The Effects of the COVID19 Pandemic on Transit in the San Francisco Bay Area
    The Effects of the COVID-19 Pandemic on Transit in the San Francisco Bay Area
    Filetype[PDF - 18.90 MB]
    :
    Lee, Richard W. ;
    Reinke, David B.
    ...
    2025-04-01
    Abstract:
    This report presents the findings from our study for the California State Assembly Transportation Committee on the effects of the COVID-19 pandemic on...
    File Type:
    Filetype[PDF - 18.90 MB]
    File Type:
    Filetype[PDF - 18.90 MB]
  • Laboratory Investigation of Concretes for PartialDepth Link Slabs
    Laboratory Investigation of Concretes for Partial-Depth Link Slabs
    Filetype[PDF - 1.10 MB]
    :
    Sharifi, Mary ;
    Ozyildirim, Celik
    ...
    2025-04-01
    Abstract:
    Bridge deck joints frequently leak, leading to the infiltration of harmful chlorides and other solutions that accelerate the deterioration of beam end...
    File Type:
    Filetype[PDF - 1.10 MB]
    File Type:
    Filetype[PDF - 1.10 MB]
  • I24 Smart Corridor V2X Roadmap
    I-24 Smart Corridor V2X Roadmap
    Filetype[PDF - 7.33 MB]
    :
    Hill, Terrance ;
    Smith, Matthew
    ...
    2025-04-01
    Abstract:
    The I-24 SMART Corridor takes a comprehensive approach to improving the safety and travel time reliability along the corridor utilizing existing infra...
    File Type:
    Filetype[PDF - 7.33 MB]
    File Type:
    Filetype[PDF - 7.33 MB]
1 - 20 / 33499
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