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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 5801 - 5820 of 36990 results
  • Assessment of the Richmond Districts Towing and Recovery Incentive Program Trip Pilot
    Assessment of the Richmond District’s Towing and Recovery Incentive Program (Trip) Pilot
    Dougald, Lance E ;
    Venkatanarayana, Ramkumar
    2019-10-01 | PDF
    On December 15, 2017, the Virginia Department of Transportation’s Richmond District began a towing and recovery incentive program (TRIP) pilot where tow companies receive a monetary bonus for clearing commercial vehicle crashes within 90 minutes. TRIP’s key objective is the facilitation of quick and safe clearance of commercial vehicle crashes thro ...
  • FloodFrequency Estimates for Ohio Streamgages Based on Data through Water Year 2015 and Techniques for Estimating FloodFrequency Characteristics of Rural Unregulated Ohio Streams
    Flood-Frequency Estimates for Ohio Streamgages Based on Data through Water Year 2015 and Techniques for Estimating Flood-Frequency Characteristics of Rural, Unregulated Ohio Streams
    Koltun, G.F.
    2019-10-01 | PDF
    The purpose of this report is to describe the results of a study to (1) estimate flood-frequency characteristics for selected streamgages in Ohio and adjacent states based on data collected through water year 2015; (2) develop and present techniques for estimating flood-frequency characteristics of rural, unregulated streams in Ohio; and (3) implem ...
  • Developing a Business Ecosystem Around Autonomous Vehicle Infrastructure in Indiana
    Developing a Business Ecosystem Around Autonomous Vehicle Infrastructure in Indiana
    Iyer, Ananth V ;
    Dunlop, Steven R
    2019-10-01 | PDF
    INDOT will soon be embarking on infrastructure planning to accommodate autonomous vehicles. This new technology affords the ability to impact economic value creation across the supply chain in Indiana, as well as foster economic development in Indiana to support these emerging technologies. This proposal will be a first cut towards exploring the de ...
  • Use of Laboratory Testing to Predict Premature Failures in Asphalt
    Use of Laboratory Testing to Predict Premature Failures in Asphalt
    Kusam, Abhilash ;
    Bacchi, Chris
    2019-10-01 | PDF
    In last few months, North Carolina Department of Transportation (NCDOT) has encountered recently paved sections exhibiting early distress throughout the state which is a major concern. NCDOT conducted an internal investigation on the causes of early distresses. And this investigation did not yield any conclusive results, hence; NCDOT recognized the ...
  • Assessing Increased Use of Reclaimed Asphalt Pavement in Asphalt Mixtures
    Assessing Increased Use of Reclaimed Asphalt Pavement in Asphalt Mixtures
    Nair, Harikrishnan ;
    Diefenderfer, Stacey D
    2019-10-01 | PDF
    In 2007, the Virginia Department of Transportation (VDOT) introduced specifications to allow asphalt surface mixtures to have up to 30% reclaimed asphalt pavement (RAP) without a change in the virgin binder grade. Since 2007, increasing material costs and a growing awareness of the quantity of RAP available for use have sparked interest in allowing ...
  • Development of Traffic Map Evaluation Tool for TMC Applications Summary
    Development of Traffic Map Evaluation Tool for TMC Applications [Summary]
    Stevanovic, Aleksandar
    2019-10-01 | PDF
    Florida Atlantic University researchers developed an online system, the Mapping Evaluation Tool (MET), that brings together traffic data from various sources and delivers it to traffic managers as a map.
  • Traffic Crash Variables in Wisconsin Research Brief
    Traffic Crash Variables in Wisconsin [Research Brief]
    Qin, Xiao
    2019-10-01 | PDF
    Traffic fatality and injury rates have steadily decreased since 1950 thanks to the collective impacts of law enforcement, driver education, highway engineering, emergency medical services and advancements in vehicle safety technologies. However, motor vehicle crashes are still a leading cause of death in Wisconsin.
  • FAA Center of Excellence Alternative Jet Fuels Environment Annual Technical Report 2019 For the Period October 1 2018 September 30 2019
    FAA Center of Excellence Alternative Jet Fuels & Environment: Annual Technical Report 2019: For the Period October 1, 2018 - September 30, 2019
    ASCENT Aviation Sustainability Center
    2019-10-01 | FAA Center of Excellence for Alternative Jet Fuels & Environment Annual Technical Reports | PDF
    This report covers the period October 1, 2018 through September 30, 2019. The Center was established by the authority of FAA solicitation 13-C-AJFE-Solicitation. During that time the ASCENT team launched a new website, which can be viewed at ascent.aero. The next meeting will be held virtually March 31 - April 1, 2020. Over the last year, the ASCEN ...
  • An Airborne Lidar Scanning and Deep Learning System for RealTime Event Extraction and Control Policies in Urban Transportation Networks
    An Airborne Lidar Scanning and Deep Learning System for Real-Time Event Extraction and Control Policies in Urban Transportation Networks
    Parrish, Christopher ;
    Hurwitz, David
    2019-09-30 | PDF
    Airborne light detection and ranging (lidar) and unmanned aircraft systems (UAS), also called drones, are emerging technologies that are of growing interest for a range of transportation applications. At the same time, machine learning is leading to rapid advances in the ability to automatically extract actionable information from lidar data. This ...
  • Developing a DataDriven Safety Assessment Framework for RITI Communities in Washington State
    Developing a Data-Driven Safety Assessment Framework for RITI Communities in Washington State
    Wang, Yinhai ;
    Sun, Wei
    2019-09-30 | PDF
    In the history of this country, rural, isolated, indigenous, and tribal (RITI) communities were commonly overlooked with regards to social infrastructure and support. This issue is evident in the development of the transportation networks of these areas and the distinct lack of road safety in these types of communities. RITI communities carry a sig ...
  • 2019 Northeast Connected and Automated Vehicle Summit Report
    2019 Northeast Connected and Automated Vehicle Summit Report
    Jackson, Eric ;
    Auguste, Marisa
    2019-09-30 | PDF
    The Northeast Connected and Automated Vehicle Summit was hosted by the Connecticut Department of Transportation, the Federal Highway Administration, and the University of Connecticut on June 12-13, 2019, at the Hartford Hilton Hotel. The event provided an open forum for stakeholders in the Northeast to network, share, and discuss a wide range of to ...
  • Pile Length Determination at Unknown Bridge Foundations
    Pile Length Determination at Unknown Bridge Foundations
    Samu, Vivek ;
    Guddati, M. N.
    2019-09-30 | PDF
    A new methodology to estimate unknown pile length called Effective Dispersion of Reflections (EDAR) was developed. A software package was also developed for seamless application of the methodology. EDAR software facilitates data acquisition in the field and the subsequent analysis of the data to estimate pile length. In addition to providing length ...
  • An Urban Agenda for Autonomous Vehicles Embedding Planning Principles into Technological Deployment
    An Urban Agenda for Autonomous Vehicles: Embedding Planning Principles into Technological Deployment
    Zhao, Jinhua
    2019-09-30 | PDF
    Autonomous vehicles (AVs) are poised to dramatically reshape the transportation system. They are likely to have significant consequences on urban transportation issues: energy use, vehicle miles traveled, the need for neighborhood parking, the ease of accessing employment, and the incidence of pollution—in both positive and negative directions. Nat ...
  • Multimodal Data Inventory Evaluation to Improve FDOTs Roadway Classification Inventory
    Multimodal Data Inventory Evaluation to Improve FDOT’s Roadway Classification Inventory
    Hendricks, Sara ;
    Catalá, Martin
    2019-09-30 | PDF
    As the Florida Department of Transportation’s (FDOT) work advances the development of a multimodal system for the State of Florida, the Transportation Data & Analytics (TDA) Office anticipates that the development of new modes, including the Shared Use Nonmotorized (SUN) Trail network, will soon outpace current FDOT data inventory systems and pract ...
  • Implementing Pricing Schemes to Meet a Variety of Transportation Goals
    Implementing Pricing Schemes to Meet a Variety of Transportation Goals
    Jenn, Alan
    ORCID ICON IMG
    2019-09-26 | PDF
    Pricing externalities from vehicle use such as road damage, vehicular emissions (both greenhouse gases and local pollutants), and congestion has become a hot topic in the transportation sector in recent years. Road user charge pilot programs are being explored in various states in the US, cities like New York and San Francisco are following in the ...
  • Standardized Performance Evaluation of Vehicles with Automated Capabilities [supporting dataset]
    Basantis, Alexis ;
    Harwood, Leslie
    2019-09-23 | PDF
    The near-term goal of this project was to develop and evaluate an initial set of standardized test procedures that vehicles equipped with automated driving features could undergo to compare capabilities and limitations across different implementations of automated technologies. In the longer term, this project will provide a basis for future automa ...
    Dataset Supporting Files
  • Transit Fare Discount Processing Improvements for Disadvantaged Populations
    Transit Fare Discount Processing Improvements for Disadvantaged Populations
    Patskanick, Taylor ;
    D'Ambrosio, Lisa
    2019-09-19 | PDF
    Transportation connects citizens to their communities and is critical to healthy aging. Globally, the world population continues to live longer, presenting important implications and challenges to economic and social policy. By 2050, 16% of the world’s population will be ages 65 and older, up from 9% in 2018 (Kaneda, Greenbaum & Patierno, 2018). Un ...
  • Vehicle Classification and Bluetooth MACs for Origin Destination Measurements
    Vehicle Classification and Bluetooth MACs for Origin Destination Measurements
    Afify, Mohamed ;
    Chan, Samuel
    2019-09-15 | PDF
    The U.S. Department of Transportation (USDOT) is actively researching intelligent transportation systems (ITS) aimed at reducing traffic incidents, improving safety, and gathering real-time travel time (TT) information. An important aspect of the process is specifying the characteristics of traffic schemes, which include vehicle classification, ori ...
  • Evaluation of Managed Lane Facilities in a Connected Vehicle Environment [supporting datasets]
    Abdel-Aty, Mohamed ;
    Wu, Yina
    2019-09-10 | PDF
    The main objective of this study was to investigate the effect of different CV lane configurations and various market penetration rates on the safety and operation of the MLs network. Additionally, work will be done for studying the lower levels of automated vehicles (Level 1/Level 2) in a CV environment in the MLs network and determining the optim ...
    Dataset Supporting Files
  • Improving the Efficiency and Accuracy of ODOT Temporary Traffic Monitoring System
    Improving the Efficiency and Accuracy of ODOT Temporary Traffic Monitoring System
    Kaja Najumudeen, Mohamat Eirban Ali Bin ;
    Kaleia, Muhanad Shab
    2019-09-09 | PDF
    Vehicle detection, counting, and classification are key for not only improving road designs and maintenance, but also driver safety. In pursuit of these objectives, the authors proposed an automated system for collecting temporary vehicle data (e.g., count, speed, vehicle classification based on axles, collection date and time, among other factors) ...
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