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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 3161 - 3180 of 36151 results
  • Improved Disaster Management Through Automated Damage Assessment Using Unmanned Aerial Vehicles UAVs
    Improved Disaster Management Through Automated Damage Assessment Using Unmanned Aerial Vehicles (UAVs)
    Haddad, Rami J ;
    Gonzalez Bocanegra, Maria
    2021-11-01 | PDF
    Natural disasters cause devastating effects on transportation networks by causing significant damage and obstruction on frequently traveled roads. This report describes the design and implementation of an automated Unmanned Aerial Vehicle (UAV) based damage management using convolutional neural networks (CNNs). This system utilizes image processing ...
  • SC Flood Inundation Mapping Project
    SC Flood Inundation Mapping Project
    Lamm, Maria Cox
    2021-11-01 | PDF
    SC Flood Inundation and Mapping for Action (IMPACT) reduces the stress from uncertainty of flood events by instantly and visually communicating forecasted flooding to state agencies and the public. SC Flood IMPACT analyzes multiple data sources to provide flooding forecasts including peak flow, water surface elevations, time, inundation extents, an ...
  • Connected Automated Vehicle Working Group Strategic Plan
    Connected & Automated Vehicle Working Group Strategic Plan
    Grosso, Rachel ;
    Dougherty, Claire
    2021-11-01 | PDF
    Rapidly evolving technology is changing the how and why of travel. The Alaska Department of Transportation and Public Facilities (DOT&PF) is preparing for these changes by developing a Connected and Automated Vehicle (CAV) Strategic Plan for the established Working Group, made up of stakeholders across Alaska. The CAV Strategic Plan centers on the ...
  • Mobile Device Data Analytics for NextGeneration Traffic Management
    Mobile Device Data Analytics for Next-Generation Traffic Management
    Macfarlane, Jane ;
    Patire, Anthony
    2021-11-01 | PDF
    Quality data is critically important for research and policy-making. The availability of device location data carrying rich, detailed information on travel patterns has increased significantly in recent years with the proliferation of personal global positioning system (GPS)-enabled mobile devices and fleet transponders. However, in its raw form, l ...
  • Ohios Research Initiative for Locals ORIL Research OnCall 2021ORIL6 Task 3 Asset Management Practices by Ohio Local Public Agencies
    Ohio’s Research Initiative for Locals (ORIL) Research On-Call 2021-ORIL6 (Task 3) – Asset Management Practices by Ohio Local Public Agencies
    Abbas, Ala R. ;
    Pearson, Sheila
    2021-11-01 | PDF
    This Research-on-Call (ROC) task was initiated by the Ohio’s Research Initiative for Locals (ORIL) program to obtain information on the current state-of-practice for transportation asset management by local public agencies (LPAs) in Ohio. An online survey was conducted in this task to collect information from Ohio LPAs regarding their asset managem ...
  • Accelerated Pavement Construction Evaluation Procedures
    Accelerated Pavement Construction Evaluation Procedures
    Goehl, Darlene C ;
    Choi, Kunhee
    2021-11-01 | PDF
    The researchers investigated innovative tools and techniques that accelerate the construction of roadway improvement projects. In coordination with local Texas Department of Transportation (TxDOT) districts, the researchers identified four major roadway improvement projects and performed case studies using innovative tools and techniques to acceler ...
  • Estimating Switching Times of Actuated Coordinated Traffic Signals A Deep Learning Approach
    Estimating Switching Times of Actuated Coordinated Traffic Signals: A Deep Learning Approach
    Eteifa, Seifeldeen ;
    Rakha, Hesham A.
    2021-11-01 | PDF
    Acceleration and deceleration maneuvers at signalized intersections are a major hindrance to fuel-efficient vehicle operations. Green Light Optimal Speed Advisory (GLOSA) allows for the control of vehicles in a fuel-efficient manner but requires reliable estimates of signal switching times. This study attempts to utilize data from actuated coordina ...
  • Dynamic Routing for RideSharing
    Dynamic Routing for Ride-Sharing
    Dessouky, Maged M. ;
    Hu, Shichun
    2021-11-01 | PDF
    The research report explored the use of High Occupancy Vehicle (HOV) lanes and meeting points in a ride-sharing system where drivers have their own origin and destination. A two-stage heuristic algorithm is proposed, which consists of an insertion heuristic to solve the pickup and delivery problem (PDP) problem and a second stage algorithm that can ...
  • North Texas Bicycle and Pedestrian Crash Analysis Final Report
    North Texas Bicycle and Pedestrian Crash Analysis: Final Report
    Vavrova, Marketa ;
    Chang, Carlos M.
    2021-11-01 | PDF
    The scope of this project involves a holistic investigation of the causes of pedestrian and bicycle crashes in the 12-county North Central Texas area. An extensive review of literature assesses the state-of-art knowledge in crash reporting and analysis, safety countermeasures, safety target setting, as well as crash databases and tools. Five years ...
  • Assessment of Existing and Potential Volume Reduction for Post Construction Stormwater Management
    Assessment of Existing and Potential Volume Reduction for Post Construction Stormwater Management
    Tangirala, Anil ;
    Kerns, Justin
    2021-11-01 | PDF
    The Assessment of Existing and Potential Volume Reduction for Post Construction Stormwater Management research project focuses on developing additional options for post construction BMPs available to ODOT projects. Real-time flow monitoring equipment was installed along ODOT roadways to measure stormwater runoff across the state of Ohio. This resul ...
  • Panel Study of Emerging Transportation Technologies and Trends in California Phase 2 Findings
    Panel Study of Emerging Transportation Technologies and Trends in California: Phase 2 Findings
    Circella, Giovanni ;
    Iogansen, Xiatian
    2021-11-01 | PDF
    Emerging transportation services, whose development and adoption have been enabled by information and communication technology, are largely transforming people’s travel and activity patterns. This study investigates the emerging transportation trends and how they transform travel-related decision-making in the population at large through the applic ...
  • Track Surface Irregularity Position Localization With SmartphoneBased Solution
    Track Surface Irregularity Position Localization With Smartphone-Based Solution
    Lu, Pan ;
    Bridgelall, Raj
    2021-11-01 | PDF
    Tracks are a critical and expensive railroad asset, requiring frequent maintenance. Railroads companies often rely on the accurate localization and identification of the track anomalies that could cause serious damage to infrastructure, environment, and the traveling public. However, the deployed method of inspection and maintenance is expensive, s ...
  • Road Ranger Programs for Arterials
    Road Ranger Programs for Arterials
    Srinivasan, Sivaramakrishnan ;
    Bejleri, Ilir
    2021-11-01 | PDF
    The intent of this project was to examine the spatiotemporal profile of incidents and suggest an initial plan for service patrol deployment for the arterials in Orlando. The study area was defined by the following boundaries: SR-434 in the north, US-17-92, I-4, US-441 in the east, SR-482 (Sand Lake Rd) in the south; and Kirkman Rd, John Young Pkwy ...
  • Marketing Research for the Quantifiable Benefits of Transit in New Jersey Volume II Final Report Technical Appendices
    Marketing Research for the Quantifiable Benefits of Transit in New Jersey — Volume II: Final Report Technical Appendices
    Carnegie, Jon A. ;
    Deka, Deva
    2021-11-01 | PDF
    New Jersey boasts an extensive system of public transportation that operates statewide, serving approximately two-thirds of the State’s municipalities. The many benefits of public transportation have been widely discussed and analyzed in both academic literature and popular media. This research assembled data and information and estimated numerous ...
  • Synthesis Study Quantifying the Effect of UHPC Fiber Dispersion and Orientation in Structural Members
    Synthesis Study Quantifying the Effect of UHPC Fiber Dispersion and Orientation in Structural Members
    Zhang, Qian ;
    Islam, Md. Mashfiqul
    2021-11-01 | PDF
    Ultra high performance concrete (UHPC) has been researched and implemented in the State of Florida for its superior structural and durability performance. Despite several successful structural level demonstrations, fiber dispersion and orientation remain a concern in the UHPC and general fiber-reinforced concrete communities. Quantifying the actual ...
  • Accelerating Pavement Construction Using Innovative Tools and Techniques
    Accelerating Pavement Construction Using Innovative Tools and Techniques
    Goehl, Darlene C ;
    Scullion, Thomas
    2021-11-01 | PDF
    The researchers investigated innovative tools and techniques to accelerate pavement construction. In coordination with Texas Department of Transportation (TxDOT) districts, the researchers identified four roadway projects to perform case studies using innovative tools and techniques to accelerate pavement construction. The researchers tested these ...
  • Mapping ECommerce Locally and Beyond CITT K12 Special Investigation Project
    Mapping E-Commerce Locally and Beyond: CITT K12 Special Investigation Project
    O'Brien, Thomas ;
    Matsumoto, Deanna
    2021-11-01 | PDF
    As all aspects of the American workplace become automated or digitally enhanced to some degree, K12 educators have an increasing responsibility to help their students acquire the technical skills necessary to organize and interpret information. Increasingly, this is done through Geographic Information Systems (GIS), especially in careers related to ...
  • Marketing Research for the Quantifiable Benefits of Transit in New Jersey Volume I Final Report
    Marketing Research for the Quantifiable Benefits of Transit in New Jersey — Volume I: Final Report
    Carnegie, Jon A. ;
    Deka, Deva
    2021-11-01 | PDF
    New Jersey boasts an extensive system of public transportation that operates statewide, serving approximately two-thirds of the State’s municipalities. The many benefits of public transportation have been widely discussed and analyzed in both academic literature and popular media. This research assembled data and information and estimated numerous ...
  • Effectiveness of GeotextilesGeogrids in Roadway Construction Determine a Granular Equivalent GE Factor
    Effectiveness of Geotextiles/Geogrids in Roadway Construction; Determine a Granular Equivalent (GE) Factor
    Alimohammdi, Hossein ;
    Schaefer, Vernon R.
    2021-11-01 | PDF
    Geogrids have been widely used in roadway construction as reinforcement in pavement foundations. Geogrids have been effective in practice for reducing rutting damage, distributing traffic loads within the pavement foundation layers, increasing the resilient modulus of the base course, and stabilizing the subgrade layer. For this project, an integra ...
    Supporting Files
  • How Do Californias Local Governments Fund Surface Transportation A Guide to Revenue Sources
    How Do California’s Local Governments Fund Surface Transportation? A Guide to Revenue Sources
    Agrawal, Asha Weinstein ;
    Lee, Kevin Yong
    2021-11-01 | PDF
    California local agencies raise the revenue to support high-quality transportation services and infrastructure from a patchwork of federal, state, and local sources. To assist policymakers and transportation experts as they explore options for creating a more sustainable funding system, this report presents an overview of the taxes and fees that cu ...
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