Connecting vehicles with the surrounding infrastructure through Vehicle-to-Pedestrian (V2P) technology offers promise for addressing this challenge. For the past decade, the USDOT has been researching and testing a connected vehicle (CV) system where vehicles can sense the environment around them and communicate that information to other vehicles,
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The primary objective of this project is to develop multiple simulation testbeds/transportation models to evaluate the impacts of DMA connected vehicle applications and the active and dynamic transportation management (ATDM) strategies. The outputs (modeling results) from this project will help USDOT prioritize their investment decisions for DMA an
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This case study highlights how the Delaware Valley Regional Planning Commission (DVRPC) promotes traffic data sharing with other agencies and makes traffic and geographic information system data available to the public. DVRPC has developed an interactive mapping application, called Traffic Count Viewer, that provides open access to different types
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Learning in Progress, NHI's quarterly newsletter, provides updates on new course launches, upcoming Web conference seminars, training programs and events, and NHI policy changes.
This study combined abutment flume experiments with numerical modeling using computational fluid dynamics (CFD) to investigate flow fields and scour at vertical-wall abutments with shallow foundations. The focus was situations dominated by flow contraction in the bridge opening, turbulence around the bridge abutments, and variations in bed roughnes
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United States. Federal Highway Administration. Exploratory Advanced Research Program
2017-02-01
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Since 1954, the National Research Council (NRC) has conducted the Research Associateship Program (RAP) in cooperation with sponsoring Federal laboratories and other approved participating research organizations. RAP provides highly skilled and exceedingly promising postdoctoral and senior scientists and engineers with opportunities to research prob
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2017-02-01
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The purpose of this communication plan is to assist State DOTs and MPOs in communicating why safety performance targets are being established, which stakeholders are affected (either directly or tangentially), and how they can be involved in helping establish the targets or in target achievement.
This document presents guidelines for developing, writing, and constructing research and development publications. Federal Highway Administration Office of Research, Development, and Technology employees, researchers, contract office representatives, contractors, and support staff are the main audiences.
Learning in Progress, NHI's quarterly newsletter, provides updates on new course launches, upcoming Web conference seminars, training programs and events, and NHI policy changes.
This case study presents how the Virginia Department of Transportation (VDOT) estimates traffic volumes on secondary local roadways using a trip generation method instead of taking short-duration counts in the field. The use of trip generation estimates was an outcome of a review process that aimed to reduce data collection costs and achieve manpow
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This report describes an investigation of analytical, Highway Capacity Manual (HCM)-compatible evaluation methods for urban street active transportation and demand management (ATDM). ATDM strategies have been successfully deployed in the United States, but the lack of available analytical methods may be reducing their successful adoption by more ci
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This discussion paper was developed for transportation professionals who may be involved in a Public-Private Partnership (P3) concession project. P3 concessions are an integrated service delivery approach where a public transportation agency enters a contractual agreement with a private sector entity to deliver a service and/or facility for a speci
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Orthotropic steel decks have been widely used over the decades, especially on long-span bridges as a result of their lightweight and fast construction. However, fatigue cracking problems have been observed in the welds in many cases because of wheel loads. The rib-to-deck welds need special care because they are directly located under wheel loads a
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The 2016 TMA Certification Review State-of-the-Practice Review Report documents the Federal Highway Administration’s (FHWA) review of Division Office oversight processes relating to TMA Certification Reviews. This is the sixth review of Division Offices, and the second review on this topic. Resulting from a review of four Division Offices in 2016,
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This Guide was prepared to help State and local officials understand transportation conformity and how conformity requirements relate to transportation investments in their communities. Specifically, the implications of conformity on metropolitan transportation plans, transportation improvement programs (TIPs), and transportation projects are discu
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As part of the Federal Highway Administration (FHWA) Traffic Analysis Toolbox (Volume XIII), this guide was designed to help corridor stakeholders implement the Integrated Corridor Management (ICM) Analysis, Modeling, and Simulation (AMS) methodology successfully and effectively. It provides a step-by-step approach to implementation of the ICM AMS
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Successes in Stewardship is a Federal Highway Administration (FHWA) bimonthly newsletter highlighting current best practices in stewardship and environmental review from around the country.
This student training manual is the companion document for the Pilot/Escort Vehicle Operator (P/EVO) Training Course. The manual is designed to prepare individuals to fulfill pilot/escort duties safely and effectively. It includes an overview of the pilot/escort industry, requirements for P/EVOs and their vehicles, procedures for escorting oversize
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This Priorities in Roadway Safety Data Guide is the capstone of more than five years of related projects aimed at helping State, Tribal, and local agencies develop more complete data to support advanced safety analysis and decision-making. The Guide follows, and promotes, the data-driven approach to safety decision making. It introduces users to th
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