Reactive Solutions is a quarterly newsletter developed under FHWA's ASR Development and Deployment Program. Reactive Solutions will share developments of the Program, share what other States and agencies are doing to address ASR, and provide tools and information for readers to address ASR.
This report documents methods for data compilation and analysis of water-quality-transport curves that meet data-quality-objectives for order-of-magnitude planning-level estimates of stream-water quality at unmonitored sites in the 84 U.S. Environmental Protection Agency Level III nutrient ecoregions in the conterminous United States. The water-qua
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The highway-runoff database (HRBD) was developed by the U.S. Geological Survey, in cooperation with the Federal Highway Administration, to serve as a data warehouse for current and future highway-runoff data sets. The database can be used to document information about a data set, monitoring site(s), highway-runoff data (including precipitation, run
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This report provides the technical description of the VII system developed for the Cooperative Agreement VII Program between the USDOT and the VII Consortium. The basic architectural elements are summarized and detailed descriptions of the hardware and software systems are provided along with the descriptions of the applications used to assess the
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This report summarizes a program of work resulting from a Cooperative Agreement between USDOT and the VII Consortium to develop and test a Proof of Concept VII system based on DSRC wireless communication between an infrastructure and mobile terminals. It supports applications for improvement in safety, mobility and enables other commercial applicat
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This document describes the objectives and the approach to the testing of the VII Proof of Concept system. A summary of the test results and findings for both the major system functions and the applications designed for the system, are presented along with recommendations for system improvements.
United States. Department of Transportation. Federal Highway Administration
2009-05-09
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On January 9, 2009, a compendium of U.S. Department of Transportation (DOT), State, and Local transportation officials, as well as industry experts, convened to discuss six existing and emerging crucial transportation topics. This diverse group of transportation experts heard background briefings on each topic and engaged in detailed dialogue and d
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The Federal Highway Administration (FHWA) organized a pooled fund study of 26 States to evaluate low-cost safety strategies as part of its strategic highway safety effort. The purpose of the FHWA Low-Cost Safety Improvements Pooled Fund Study is to evaluate the safety effectiveness of several low-cost safety strategies presented in the National Coo
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The hydrodynamic forces experienced by an inundated bridge deck have great importance in the design of bridges. Specifically, the drag force, lift force, and the moment acting on the bridge deck under various levels of inundation and a range of flow conditions influence the design and construction of the bridge. This report explores the forces acti
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Work Zone Planning and Management have become more challenging because of increasing travel demand and an aging roadway network infrastructure facing more frequent maintenance and major rehabilitation projects, while still needing to transport people and goods safely. In order to meet safety and mobility needs during highway maintenance and constru
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In 2005, the US Department of Transportation (DOT) initiated a program to develop and test a 5.9GHz‐based Vehicle Infrastructure Integration (VII) proof of concept (POC). The POC was implemented in the northwest suburbs of Detroit, Michigan. This report outlines the purpose and procedures for various tests, identifies the test articles, and documen
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2009-05-01
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The purpose of this document is to present information on suggested effective, low-cost intersection countermeasures developed using intersection safety research results and input from an intersection safety expert panel. These low-cost countermeasures can be applied to a large number of intersections with a high frequency of crashes using a system
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This purpose of this primer is to aid jurisdictions and agencies, especially Departments of Transportation, with identifying and managing the costs of planned special events (PSEs) and forming policy for cost recovery. Cost management— the effective, overarching control of an organization’s finances— is a part of general management and creates acco
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This report is a deliverable of Task 2 of FHWA’s Truck Size and Weight Enforcement Technology Project. The primary project objective was to recommend strategies to encourage the deployment of roadside technologies to improve truck size and weight enforcement in the United States. The objective of Task 2 was to evaluate the state of the practice for
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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.
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2009-05-01
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FHWA R&T Now
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Federal Highway Administration's FHWA R&T Now is a newsletter containing information and updates about research, technology, and development from the U.S. Department of Transportation, Federal Highway Administration. The newsletter is an electronic newsletter and is updated approximately every other month.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2009-05-01
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Traffic Volume Trends is a monthly report based on hourly traffic count data reported by the States. These data are collected at approximately 5,000 continuous traffic counting locations nationwide and are used to estimate the percent change in traffic for the current month compared with the same month in the previous year. Estimates are re-adjuste
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2009-05-01
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This summary is one in a series describing Innovative Intersection Safety Treatments. The summaries identify new technologies and techniques to improve intersection safety developed since NCHRP Report 500, Volumes 5 and 12, were published in 2003 and 2004, respectively. These treatments show promise for improving safety but comprehensive effectiven
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2009-05-01
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PDF
This summary is one in a series describing Innovative Intersection Safety Treatments. The summaries identify new technologies and techniques to improve intersection safety developed since NCHRP Report 500, Volumes 5 and 12, were published in 2003 and 2004, respectively. These treatments show promise for improving safety but comprehensive effectiven
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