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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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41 - 60 of 31299 Results
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    Trip Generation for Various Sites: Research Project Capsule [24–2SS]
    Cite
    Filetype[PDF - 373.84 KB]
    :
    Bian, Ruijie “Rebecca” ;
    Rupnow, Tyson
    ...
    2024-02-01
    Abstract:
    This research covers six types of land uses of greater interest to DOTD as a pilot study. They are apartments, urgent care facilities, dollar stores, ...
    File Type:
    Filetype[PDF - 373.84 KB]
    File Type:
    Filetype[PDF - 373.84 KB]
    Impact of Utility Delays on Project Delivery
    Cite
    Filetype[PDF - 8.74 MB]
    :
    Piratla, Kalyan R. ;
    Le, Tuyen
    ...
    2024-02-01
    Abstract:
    Utility issues often cause significant delays in transportation construction projects. These delays result from several factors spanning multiple proj...
    File Type:
    Filetype[PDF - 8.74 MB]
    File Type:
    Filetype[PDF - 8.74 MB]
    Integrating Mobility Energy Productivity Metric into the CDOT Statewide Model
    Cite
    Filetype[PDF - 2.13 MB]
    :
    Hoehne, Christopher ;
    Garikapati, Venu
    ...
    2024-02-01
    Abstract:
    The Mobility Energy Productivity (MEP) metric measures the quality of mobility at a specific location and can be used to evaluate how changes to trans...
    File Type:
    Filetype[PDF - 2.13 MB]
    File Type:
    Filetype[PDF - 2.13 MB]
    Traffic Safety Evaluation at J-turns in Minnesota
    Cite
    Filetype[PDF - 2.92 MB]
    :
    Moreland, Max ;
    Leuer, Derek
    ...
    2024-02-01
    Abstract:
    Between 2010 and 2022, 83 J-turn intersections were installed on Minnesota Department of Transportation (MnDOT) roadways. The J-turn is an alternative...
    File Type:
    Filetype[PDF - 2.92 MB]
    File Type:
    Filetype[PDF - 2.92 MB]
    Traffic Safety Evaluation of Lane Constrictor Intersections in Minnesota
    Cite
    Filetype[PDF - 2.08 MB]
    :
    Moreland, Max ;
    Leuer, Derek
    ...
    2024-02-01
    Abstract:
    Between 2018 and 2019, MnDOT installed a lane constrictor design at 66 side-street, stop-controlled intersections in Minnesota. The lane constrictor d...
    File Type:
    Filetype[PDF - 2.08 MB]
    File Type:
    Filetype[PDF - 2.08 MB]
    Hydrated Lime and Liquid Anti-Strip Additives: Moisture-Induced Damage Resistance Study
    Cite
    Filetype[PDF - 9.38 MB]
    :
    Anderson, Howard ;
    Allen, Clark
    ...
    2024-02-01
    Abstract:
    Stripping is a critical surface and or subsurface pavement distress affecting asphalt pavements and is caused by moisture infiltration and stressed by...
    File Type:
    Filetype[PDF - 9.38 MB]
    File Type:
    Filetype[PDF - 9.38 MB]
    Transit, Belabored: Issues and Futures for California’s Frontline Transit Workforce
    Cite
    Filetype[PDF - 799.81 KB]
    :
    Wasserman, Jacob L ;
    Padgett, Allie
    ...
    2024-02-01
    Abstract:
    Frontline transit work can be satisfying and secure—but also stressful or unsafe. Many agencies across the state lacked transit operators in the wak...
    File Type:
    Filetype[PDF - 799.81 KB]
    File Type:
    Filetype[PDF - 799.81 KB]
    BrM Quantity-Based Bridge Element Deterioration/Improvement Modeling and Software Tools
    Cite
    Filetype[PDF - 3.76 MB]
    :
    Fu, Gongkang ;
    Bryk, Gabriel
    2024-02-01
    Abstract:
    This study reviewed the state of the art and practice in bridge element deterioration / improvement modeling. It also developed a new and practical me...
    File Type:
    Filetype[PDF - 3.76 MB]
    File Type:
    Filetype[PDF - 3.76 MB]
    Exploration of UHPC Applications for Montana Bridges
    Cite
    Filetype[PDF - 11.63 MB]
    :
    Starke, James ;
    Matteson, Kirsten
    ...
    2024-02-01
    Abstract:
    The following research project explores bridge applications of ultra-high performance concrete (UHPC). Bridge deterioration, including decks and other...
    File Type:
    Filetype[PDF - 11.63 MB]
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    Filetype[PDF - 11.63 MB]
    Investigate Potential Connected and Automated Vehicle (CAV) Liability Issues Within TxDOT: Research Report
    Cite
    Filetype[PDF - 1.99 MB]
    :
    Hansen, Todd ;
    Hwang, Billy
    ...
    2024-02-01
    Abstract:
    Connected and automated vehicles (CAV) promise momentous and positive changes to most aspects of modern life. Mobility is likely to be characterized b...
    File Type:
    Filetype[PDF - 1.99 MB]
    File Type:
    Filetype[PDF - 1.99 MB]
    Analyzing Human Mobility for Active Transportation Planning in Louisiana
    Cite
    Filetype[PDF - 6.80 MB]
    :
    Bian, Ruijie “Rebecca” ;
    Tolford, Tara
    2024-02-01
    Abstract:
    Existing walking and biking data are often insufficient to support active transportation planning activities. This study utilized an emerging large-sc...
    File Type:
    Filetype[PDF - 6.80 MB]
    File Type:
    Filetype[PDF - 6.80 MB]
    Developing Load Distribution Formula for Louisiana Cast-in-Place Reinforced Concrete Box Culverts
    Cite
    Filetype[PDF - 9.66 MB]
    :
    Okeil, Ayman M. ;
    Jafari, Navid H
    2024-02-01
    Abstract:
    This report summarizes the results from an investigation of the behavior of cast-in-place (CIP) reinforced concrete (RC) box culverts. Load rating of ...
    File Type:
    Filetype[PDF - 9.66 MB]
    File Type:
    Filetype[PDF - 9.66 MB]
    Using the Portable XRF To Identify/Verify Field Material Properties
    Cite
    Filetype[PDF - 1.47 MB]
    :
    Liu, Zhen ;
    Milla, Jose
    ...
    2024-02-01
    Abstract:
    In order to investigate the feasibility of rapid identification of chemical compounds or detection of certain additives or contaminants in commonly us...
    File Type:
    Filetype[PDF - 1.47 MB]
    File Type:
    Filetype[PDF - 1.47 MB]
    Analyzing Human Mobility for Active Transportation Planning in Louisiana [Technical Summary]
    Cite
    Filetype[PDF - 429.72 KB]
    :
    Bian, Ruijie “Rebecca” ;
    Mitran, Elisabeta
    2024-02-01
    Abstract:
    The main objective of the research is to identify areas in Louisiana that require active transportation infrastructure (such as sidewalks and crosswal...
    File Type:
    Filetype[PDF - 429.72 KB]
    File Type:
    Filetype[PDF - 429.72 KB]
    Developing Load Distribution Formula for Louisiana Cast-in-Place Reinforced Concrete Box Culverts [Technical Summary]
    Cite
    Filetype[PDF - 172.72 KB]
    :
    Okeil, Ayman M. ;
    Alaywan, Walid
    2024-02-01
    Abstract:
    The primary objective of this project was to investigate live load distribution over buried CIP-RC box culverts for the purpose of recommending the mo...
    File Type:
    Filetype[PDF - 172.72 KB]
    File Type:
    Filetype[PDF - 172.72 KB]
    Using the Portable XRF To Identify/Verify Field Material Properties [Technical Summary]
    Cite
    Filetype[PDF - 202.02 KB]
    :
    Liu, Zhen ;
    Cooper, Samuel B.
    2024-02-01
    Abstract:
    Portable spectroscopy technologies such as X-Ray Fluorescence (XRF) are proposed for a rapid identification of chemical compounds or detection of cert...
    File Type:
    Filetype[PDF - 202.02 KB]
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    Filetype[PDF - 202.02 KB]
    Advanced Air Mobility: Opportunities, Challenges, and Research Needs for the State of California (2023–2030)
    Cite
    Filetype[PDF - 895.69 KB]
    :
    Cohen, Adam ;
    Shaheen, Susan
    2024-02-01
    Abstract:
    Advanced air mobility (AAM) is a broad concept that enables consumers access to air mobility, goods delivery, and emergency services through an integr...
    File Type:
    Filetype[PDF - 895.69 KB]
    File Type:
    Filetype[PDF - 895.69 KB]
    Recommendations for Future Specifications to Ensure Durable Next Generation of Concrete
    Cite
    Filetype[PDF - 6.03 MB]
    :
    Kurtis, Kimberly E ;
    Stewart, Lauren K
    ...
    2024-02-01
    Abstract:
    Current Georgia Department of Transportation (GDOT) specifications for concrete rely on prescribing the materials and their proportions as well as min...
    File Type:
    Filetype[PDF - 6.03 MB]
    File Type:
    Filetype[PDF - 6.03 MB]
    Advancing Air Mobility in Illinois
    Cite
    Filetype[PDF - 9.75 MB]
    :
    Mahmassani, Hani S. ;
    Cummings, Christopher
    ...
    2024-02-01
    Abstract:
    Advanced air mobility (AAM) is a nascent market within the aviation sector of Illinois’ transportation system, promising enhanced movement of people...
    File Type:
    Filetype[PDF - 9.75 MB]
    File Type:
    Filetype[PDF - 9.75 MB]
    Community Augmented Rapid-response to Events (CARE) Integrated Crisis Communication System
    Cite
    Filetype[PDF - 2.53 MB]
    :
    Salley, Christin ;
    Xie, Jiajia
    ...
    2024-02-01
    Abstract:
    This project explores the potential of integrating social media data (i.e., Twitter/X) with data from community awareness applications (i.e., Waze) to...
    File Type:
    Filetype[PDF - 2.53 MB]
    File Type:
    Filetype[PDF - 2.53 MB]
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