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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 6161 - 6180 of 36958 results
  • Accelerated Innovation Deployment AID Demonstration Project Living Bridge Creating a Benchmark for Bridge Monitoring
    Accelerated Innovation Deployment (AID) Demonstration Project: Living Bridge: Creating a Benchmark for Bridge Monitoring
    United States. Department of Transportation. Federal Highway Administration
    2019-05-31 | PDF
    This project included the “Living Bridge” group efforts to create a benchmark example of a self-diagnosing, self-reporting, “smart infrastructure” at the Memorial Bridge (Portsmouth, NH, and Kittery, ME) to further advance a National Science Foundation (NSF) funded project, the “Living Bridge Project (LBP)”, seeking to promote infrastructure sustai ...
  • Highway Construction Sediment Basins Assessment of Water Quality Treatment Performance
    Highway Construction Sediment Basins: Assessment of Water Quality Treatment Performance
    Schwartz, John S ;
    Smith, Payton M.
    2019-05-31 | PDF
    Sediment basins with outlet orifice skimmers are one of forty erosion prevention and sediment control (EPSC) devices that the Tennessee Department of Transportation (TDOT) utilizes to meet regulatory runoff quality permitting requirements at their highway construction sites. Regulations set in place by the US Environmental Protection Agency (US EPA ...
  • Assessment of Transportation Systems Management and Operations TSMO for the Michigan Department of Transportation
    Assessment of Transportation Systems Management and Operations (TSMO) for the Michigan Department of Transportation
    Kay, Jonathan ;
    Gates, Timothy
    2019-05-30 | PDF
    Transportation System Management and Operations (TSMO) is an emerging concept being adopted by highway agencies across the United States. While the concept is currently defined very broadly depending on the objectives of the agency, TSMO essentially is an integrated set of strategies which may enable transportation agencies to stretch their funding ...
  • Bald Eagle Nesting During Construction
    Bald Eagle Nesting During Construction
    White, Ben ;
    White, Janelle
    2019-05-29 | PDF
    Alaska DOT&PF and US Fish and Wildlife Service Alaska Region partnered to collect eagle nesting data during DOT&PF road construction work in various locations in Southeast Alaska during the summers of 2015-2018. Control nests located outside of any nearby construction activities were also monitored to compare the occupancy and productivity to nests ...
  • Transverse Seismic Design of Bridges with Longitudinal Keyway Joints
    Transverse Seismic Design of Bridges with Longitudinal Keyway Joints
    Price, Christopher W ;
    Kowalsky, Mervyn J.
    2019-05-24 | PDF
    This research evaluated the seismic behavior of bridges with longitudinal joints. The experimental portion of the work consisted of ten full scale sub-assembly tests modelled after a typical as-built keyway joint. The joint was tested under pure shear to determine the joint shear-slip response and associated limit states (grout cracking, embedded r ...
  • Behavior and Repair of Corroded Steel H-Piles – Phase I (Axial Behavior) [supporting datasets]
    Abdulazeez, Mohanad M ;
    Ramadan, Amro
    2019-05-23 | PDF
    This report summarizes the details of an experimental work and finite element modeling that were conducted to evaluate: 1) the remaining axial capacity of steel H-piles having different corrosion severity and extension levels, and 2) the performance of repaired corroded steel H-piles. The research consisted of 32 short steel H-piles (10 × 42) encas ...
    Dataset
  • Link Slab Details and Materials
    Link Slab Details and Materials
    Haikal, Ghadir ;
    Ramirez, Julio A.
    2019-05-19 | PDF
    This report contains the findings of a synthesis study on the use of link slabs to eliminate intermediate joints in bridges of Indiana. The study was conducted under the sponsorship of the Joint Transportation Research Program. The motivation for the study was to investigate this promising technique to mitigate the damage associated with expansion ...
  • Annual Technology Transfer Report FY 2018
    Annual Technology Transfer Report FY 2018
    United States. Department of Transportation. Office of the Assistant Secretary for Research and Technology
    2019-05-14 | PDF
    Every year, the Department of Commerce (DOC) submits a Federal Laboratory T2 Fiscal Year Summary Report to the President and the Congress in accordance with 15 U.S.C. 3710(g)(2). The report summarizes the implementation of technology transfer authorities established by the Technology Transfer Commercialization Act of 2000 (Pub. L. 106-404) and othe ...
  • Optimized Development of Urban Transportation Networks
    Optimized Development of Urban Transportation Networks
    Schonfeld, Paul M.
    ORCID ICON IMG
    2019-05-11 | PDF
    This report presents improved methods for planning and scheduling interrelated improvements in transportation networks. Due to the complexity of the relevant evaluation functions, which cannot be optimized with classical calculus techniques, the proposed methods rely on customized genetic algorithms for optimizing the selection, sequencing and sche ...
  • Risk Awareness and Perception Training Using VR Headsets: The Validation of VR Headsets to Measure Hazard Anticipation Behaviors [supporting datasets]
    Fitzpatrick, Cole ;
    Mangalore, Ganesh Pai
    2019-05-06 | PDF
    The objective of the current study is to evaluate the use of virtual reality (VR) headsets to measure driving performance for driving simulation studies and training. This is desirable because they are several orders of magnitude less expensive and, if validated, could greatly extend the powers of simulation. Out of several possible measures of per ...
    Dataset
  • Traffic State Prediction A Traveler Equity and Multimodal Perspective
    Traffic State Prediction: A Traveler Equity and Multi-modal Perspective
    Rakha, Hesham A. ;
    Almannaa, Mohammed
    2019-05-01 | PDF
    Traffic congestion has become a major problems in many urban areas, and has related environmental, economic, and equity impacts. One potential method of reducing urban traffic congestion is developing tools that plan multi-modal trips to encourage more people to ride public transportation and to provide better driving alternatives for less affluent ...
  • Automated Enforcement of Bus Lanes and Zones Final Report
    Automated Enforcement of Bus Lanes and Zones: Final Report
    Heaslip, Kevin ;
    Kelarestaghi, Kaveh B
    2019-05-01 | PDF
    The Washington, DC metropolitan area consistently ranks among the top ten most congested U.S. cities. This congestion impacts travel time for drivers and bus riders alike. Throughout most of the day, bus speeds average less than five mph through downtown DC. The District’s existing transit only lanes on Georgia Avenue NW have led to travel time sav ...
  • Assessing the Experience of Providers and Users of Transportation Network Company Ridesharing Services
    Assessing the Experience of Providers and Users of Transportation Network Company Ridesharing Services
    Morris, Eric A. ;
    Pratt, Angela N
    2019-05-01 | PDF
    This report studies driver and traveler attitudes towards UberPool and Lyft Shared, Uber and Lyft’s services that take advantage of data connectivity and analytics to match travelers on the fly so they can share rides. We conducted a survey of over 300 drivers and over 1100 Uber/Lyft travelers in the cities where shared service is offered. We inclu ...
  • Development of Guidelines to Establish Effective and Efficient Timelines and Incentives for ABC July 2017September 2018
    Development of Guidelines to Establish Effective and Efficient Timelines and Incentives for ABC [July 2017–September 2018]
    Alipour, Alice ;
    Shane, Jennifer S.
    2019-05-01 | PDF
    Accelerated bridge construction (ABC) techniques are rapidly gaining acceptance as an alternative to conventional construction methods to reduce construction duration and minimize the impact of closures at the network level. There are different types of ABC, and each technique has its limitations and its own speed of completion. The choice of using ...
  • Evaluation of Safety Enhancements in School Zones With Familiar and Unfamiliar Drivers
    Evaluation of Safety Enhancements in School Zones With Familiar and Unfamiliar Drivers
    Valdes Diaz, Didier M. ;
    Knodler, Michael A.
    2019-05-01 | PDF
    Traffic crashes in suburban school zones pose a serious safety concern due to a higher presence of school-age pedestrians and cyclists as well as potential speeding issues. A study that investigated speed selection and driver behavior in school zones was carried out using two populations from different topographical and cultural settings: Puerto Ri ...
  • Evaluation of FC5 with PG 7622 HP to Reduce Raveling
    Evaluation of FC-5 with PG 76-22 HP to Reduce Raveling
    Arambula-Mercado, Edith ;
    Caro, Sylvia
    2019-05-01 | PDF
    The objectives of this project were to assess the mechanical performance and durability of open-graded friction course FC-5 mixtures fabricated with a highly polymer-modified (HP) binder (that complied with the requirements of FDOT specifications, Section 916-2), compare the results with those obtained in mixtures fabricated with a conventional pol ...
  • Developing an OpenSource MultiAgent Simulation Environment for Connected Autonomous Vehicles
    Developing an Open-Source Multi-Agent Simulation Environment for Connected Autonomous Vehicles
    Negrut, Dan ;
    Serban, Radu
    2019-05-01 | PDF
    This document contains an overview of the software infrastructure developed under the SAFER-SIM project “Developing an Open Source Multi-Agent Simulation Environment for Connected Autonomous Vehicles”. We provide a description of the four foundational simulation elements – agent dynamics, sensing, communication, and virtual worlds – that anchor Syn ...
  • Deep Learningbased Ecodriving System for Battery Electric Vehicles
    Deep Learning–based Eco-driving System for Battery Electric Vehicles
    Wu, Guoyuan ;
    Ye, Fei
    2019-05-01 | PDF
    Eco-driving strategies based on connected and automated vehicles (CAV) technology, such as Eco-Approach and Departure (EAD), have attracted significant worldwide interest due to their potential to save energy and reduce tail-pipe emissions. In this project, the research team developed and tested a deep learning–based trajectory-planning algorithm ( ...
  • Leveraging Connected Vehicles to Enhance Traffic Responsive Traffic Signal Control
    Leveraging Connected Vehicles to Enhance Traffic Responsive Traffic Signal Control
    Fulari, Shrikant ;
    Abbas, Montasir M.
    2019-05-01 | PDF
    For traffic signal control, Time of Day (TOD) mode of operations is widely deployed in practice for selecting a signal timing plan. However, TOD mode in not effective in adapting to variations in traffic conditions, such as special events and holidays, incidents, etc. Several research studies have reported the potential of Traffic Responsive Contro ...
  • Value Capture to Fund Public Transportation The Impact of Warm Springs BART Station on the Value of Neighboring Residential Properties in Fremont CA
    Value Capture to Fund Public Transportation: The Impact of Warm Springs BART Station on the Value of Neighboring Residential Properties in Fremont, CA
    Mathur, Shishir
    ORCID ICON IMG
    2019-05-01 | PDF
    This study estimates households’ willingness to pay for single-family houses and condominiums/townhouses located within 2 miles of Warm Springs (WS) BART Station in Fremont, CA. The study finds that, compared to the houses sold in the referent category (2 to 5 miles away and sold during the pre-project-announcement period of 2000-2001), an average- ...
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