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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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21 - 40 of 31299 Results
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    Prediction of Road Condition and Smoothness for Flexible and Rigid Pavements in Louisiana Using Neural Networks [Technical Summary]
    Cite
    Filetype[PDF - 228.01 KB]
    :
    Wu, Zhong ;
    Zhang, Zhongjie “Doc”
    2024-03-01
    Abstract:
    The objective of this research was to develop both short- and long- term pavement performance and deterioration models that can be used to estimate fu...
    File Type:
    Filetype[PDF - 228.01 KB]
    File Type:
    Filetype[PDF - 228.01 KB]
    Evaluation of Performance and Life Cycle Cost of Asphalt (8/18 Specifications) [Technical Summary]
    Cite
    Filetype[PDF - 394.31 KB]
    :
    Mayeux, Corey R ;
    Cooper, Samuel B.
    2024-03-01
    Abstract:
    The objective of this research was to analyze and compare the performance of asphaltpavements constructed using specifications from the 2006 SSRB to p...
    File Type:
    Filetype[PDF - 394.31 KB]
    File Type:
    Filetype[PDF - 394.31 KB]
    Partially Grouted Revetment for Low-Volume Road Bridges
    Cite
    Filetype[PDF - 12.09 MB]
    :
    Freeseman, Katelyn ;
    Phares, Brent
    ...
    2024-03-01
    Abstract:
    The Iowa secondary road system has a large number of scour-susceptible bridges or bridges with unknown foundation conditions. These structures are com...
    File Type:
    Filetype[PDF - 12.09 MB]
    File Type:
    Filetype[PDF - 12.09 MB]
    Next Generation of Traffic Management Systems and Centers: A Primer
    Cite
    Filetype[PDF - 800.97 KB]
    :
    Jacobson, Les ;
    McLaughlin, Katie
    2024-03-01
    Abstract:
    Traffic management systems (TMSs) and their centers are critical resources that offer agencies the potential to improve the safety and mobility of tra...
    File Type:
    Filetype[PDF - 800.97 KB]
    File Type:
    Filetype[PDF - 800.97 KB]
    Investigation of High Mast Illumination Pole Handhole Cracking
    Cite
    Filetype[PDF - 11.12 MB]
    :
    Yount, Tristan ;
    Yu, Danqing
    ...
    2024-03-01
    Abstract:
    High mast illumination poles (HMIPs) experience cyclic loading from wind, which can cause large deflections at the top of the pole, amplified by the m...
    File Type:
    Filetype[PDF - 11.12 MB]
    File Type:
    Filetype[PDF - 11.12 MB]
    Investigation of High Mast Illumination Pole Handhole Cracking [Technical Summary]
    Cite
    Filetype[PDF - 344.63 KB]
    :
    Yount, Tristan ;
    Yu, Danqing
    ...
    2024-03-01
    Abstract:
    This report describes an investigation in which four poles removed from service were studied to determine potential origins and driving factors of the...
    File Type:
    Filetype[PDF - 344.63 KB]
    File Type:
    Filetype[PDF - 344.63 KB]
    Partially Grouted Revetment for Low-Volume Road Bridges [Tech Transfer Summary]
    Cite
    Filetype[PDF - 3.94 MB]
    :
    Phares, Brent ;
    Alipour, Alice
    2024-03-01
    Abstract:
    The Iowa secondary road system has a large number of scour-susceptible bridges or bridges with unknown foundation conditions. While scour countermeasu...
    File Type:
    Filetype[PDF - 3.94 MB]
    File Type:
    Filetype[PDF - 3.94 MB]
    Accelerating the Mix Design for Cement-Treated Bases
    Cite
    Filetype[PDF - 3.81 MB]
    :
    Sebesta, Stephen ;
    Kim, Jinho
    ...
    2024-03-01
    Abstract:
    Cement treatment of roadway or stockpile materials enhances the strength and stiffness properties of pavement base layers to meet structural requireme...
    File Type:
    Filetype[PDF - 3.81 MB]
    File Type:
    Filetype[PDF - 3.81 MB]
    Within-Lab Precision of Accelerated-Cure Indirect Tensile Strength
    Cite
    Filetype[PDF - 312.12 KB]
    :
    Sebesta, Stephen ;
    Taylor, Ross
    ...
    2024-03-01
    Abstract:
    Research Project 0-7027 developed an accelerated mix design procedure for cement-treated base materials, with attention to test turnaround time and in...
    File Type:
    Filetype[PDF - 312.12 KB]
    File Type:
    Filetype[PDF - 312.12 KB]
    How Will California’s Electric Vehicle Policy Impact State-Generated Transportation Revenues? Projecting Scenarios through 2040 [Summary]
    Cite
    Filetype[PDF - 746.24 KB]
    :
    Agrawal, Asha Weinstein ;
    King, Hannah
    ...
    2024-03-01
    Abstract:
    California faces unprecedented uncertainty about how much revenue the state will raise from a package of taxes on motor fuels and annual registration ...
    File Type:
    Filetype[PDF - 746.24 KB]
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    Filetype[PDF - 746.24 KB]
    Regional Rural Transportation Planning and the Role of the Rural Planning Organizations
    Cite
    Filetype[PDF - 3.81 MB]
    :
    Sriraj, P. S. ;
    Metaxatos, Paul
    ...
    2024-03-01
    Abstract:
    The purpose of this research is to identify Rural Planning Organizations (RPOs) in the State of Illinois and current practices in rural transportation...
    File Type:
    Filetype[PDF - 3.81 MB]
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    Filetype[PDF - 3.81 MB]
    A Survey of Universal Basic Mobility Programs and Pilots in the United States
    Cite
    Filetype[PDF - 582.71 KB]
    :
    Rodier, Caroline ;
    Tovar, Angelly J
    ...
    2024-03-01
    Abstract:
    A lack of reliable and affordable transportation exacerbates socioeconomic inequities for low-income individuals, especially people of color. Universa...
    File Type:
    Filetype[PDF - 582.71 KB]
    File Type:
    Filetype[PDF - 582.71 KB]
    Concrete Bridge Deck Crack Sealing
    Cite
    Filetype[PDF - 3.23 MB]
    :
    Issa, Mohsen A. ;
    Alawieh, Ali F
    ...
    2024-03-01
    Abstract:
    Bridge decks are prone to various types of cracking due to a combination of factors, including traffic loads, temperature variations, moisture, and ch...
    File Type:
    Filetype[PDF - 3.23 MB]
    File Type:
    Filetype[PDF - 3.23 MB]
    Literature Review of IDEAL-CT and IDEAL-RT Test Methods for Balanced Mixed Design: Research Project Capsule [23–4B]
    Cite
    Filetype[PDF - 399.27 KB]
    :
    Salari, Saman ;
    Rupnow, Tyson
    2024-03-01
    Abstract:
    The objective of this project is to evaluate published literature regarding the efficacy of IDEAL-CT and IDEAL-RT test methods to characterize the per...
    File Type:
    Filetype[PDF - 399.27 KB]
    File Type:
    Filetype[PDF - 399.27 KB]
    Actionable Flood Warnings Based on Ground-Truth Data to Support Iowa DOT BridgeWatch Platform Functionality
    Cite
    Filetype[PDF - 2.19 MB]
    :
    Demir, Ibrahim ;
    Muste, Marian
    ...
    2024-02-15
    Abstract:
    The expectation of improved flood warnings has become critical for many agencies and communities at a time when flooding is increasingly severe and wi...
    File Type:
    Filetype[PDF - 2.19 MB]
    File Type:
    Filetype[PDF - 2.19 MB]
    Transportation Infrastructure Asset Monitoring Through the Industrial Internet-of-Things
    Cite
    Filetype[PDF - 3.31 MB]
    :
    Jordan, Patrick ;
    Moreno, John
    2024-02-01
    Abstract:
    The Internet-of-Things (IoT) is a rapidly growing area of wireless communication technology that allows devices to communicate with computers and huma...
    File Type:
    Filetype[PDF - 3.31 MB]
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    Filetype[PDF - 3.31 MB]
    Endangered Species Mitigation Needs Assessment
    Cite
    Filetype[PDF - 1.19 MB]
    :
    Schelsky, Wendy M ;
    Burkwald, Kimberly
    ...
    2024-02-01
    Abstract:
    The Illinois Department of Transportation, like most other state transportation agencies, must undergo an environmental review for each transportation...
    File Type:
    Filetype[PDF - 1.19 MB]
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    Filetype[PDF - 1.19 MB]
    Improved Systematic Analysis To Predict Roadway Safety Performance
    Cite
    Filetype[PDF - 5.74 MB]
    :
    Wang, Haizhong ;
    Li, Xiugang
    ...
    2024-02-01
    Abstract:
    This study presents the results of a review and developed framework for implementing a data-driven safety analysis in Oregon Department of Transportat...
    File Type:
    Filetype[PDF - 5.74 MB]
    File Type:
    Filetype[PDF - 5.74 MB]
    Active Transportation Counts from Existing On-Street Signal and Detection Infrastructure
    Cite
    Filetype[PDF - 4.33 MB]
    :
    Kothuri, Sirisha ;
    Singleton, Patrick A.
    ...
    2024-02-01
    Abstract:
    This study’s objective was to use data from existing traffic signal infrastructure to estimate pedestrian volumes. Pedestrian push-button actuations...
    File Type:
    Filetype[PDF - 4.33 MB]
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    Filetype[PDF - 4.33 MB]
    US Highway 101 Coastal Hazard Vulnerability and Risk Assessment for Mitigation Prioritization
    Cite
    Filetype[PDF - 51.34 MB]
    :
    Olsen, Michael J. ;
    Allan, Jon
    ...
    2024-02-01
    Abstract:
    US 101 is a vital economic and emergency lifeline that connects coastal communities and provides access to numerous coastal destinations for Oregonian...
    File Type:
    Filetype[PDF - 51.34 MB]
    File Type:
    Filetype[PDF - 51.34 MB]
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