The GIS in Transportation team publishes quarterly newsletters to share information about significant geospatial transportation news, events, and applications. Each issue highlights a specific transportation agency's application of GIS or geospatial data and technology.
The presented work aimed at enhancing the design and detailing of post-tensioned concrete bridge for NDE. Established and promising NDE technologies were surveyed and evaluated for application in post-tensioned bridges. Post-tensioning systems and post-tensioned bridge types were evaluated with respect to the NDE technology. Videos were developed t
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United States. Federal Highway Administration. Office of Policy and Governmental Affairs
2018-07-01
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The Federal Highway Administration (FHWA) Strategic Plan Fiscal Years 2019–2022 outlines the strategic framework—mission, values, strategic goals, and strategic objectives—of the Agency, an operating administration within the U.S. Department of Transportation (USDOT). FHWA’s mission is to enable and empower the strengthening of a world-class highwa
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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 guide assists State or local transportation or traffic safety departments that are considering developing a policy or guide to support the installation of countermeasures at uncontrolled pedestrian crossing locations. This document provides guidance to agencies, including best practices for each step involved in selecting countermeasures. By f
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2018-07-01
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PDF
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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Repair and rehabilitation of the aging highway infrastructure continues to be a challenging endeavor for all U.S. highway agencies. Thousands of miles of highway pavements need rehabilitation, and many of these highways carry over 100,000 vehicles/day, including a large percentage of trucks. Extended lane closures must be avoided to prevent compoun
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This report reviews and highlights key content and outcomes identified at the Multi-Jurisdictional Coordination for the Central Plains/Heartland Region Workshop held on May 16-17, 2018 in Kansas City, Missouri. The event was sponsored by the Federal Highway Administration’s (FHWA) Office of Planning, Environment, & Realty (HEP) to examine shared re
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The results and conclusions of an initial experiment that examined human-factors issues in the use of adaptive cruise control (ACC) and a hypothetical cooperative ACC (CACC) in which ACC supplemented with vehicle-to-vehicle (V2V) communications to extend ACC capabilities. In this driving simulator–based experiment, the CACC system was modeled to ac
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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.
United States. Federal Highway Administration. Office of Planning, Environment, and Realty
2018-06-28
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PDF
This digest shares the latest information from a range of Federal and non-Federal sources, addressing transportation and its relationship to the human environment. Through this information exchange, FHWA hopes to foster dialogue at all levels and continue to further the state of the practice on these important topics in support of safety; infrastru
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United States. Federal Highway Administration. Office of Planning, Environment, and Realty
2018-06-14
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PDF
This digest shares the latest information from a range of Federal and non-Federal sources, addressing transportation and its relationship to the human environment. Through this information exchange, FHWA hopes to foster dialogue at all levels and continue to further the state of the practice on these important topics in support of safety; infrastru
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As sonar technologies improve, interest in applying these tools for underwater bridge inspection is increasing. While the capabilities, standards, and processes are well-established for bathymetric surveying, sonar use for identifying important characteristics relevant for underwater bridge inspection is evolving. FHWA, working with several states,
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This fact sheet focuses on the Illinois Department of Transportation’s (IDOT) use of Highway Safety Improvement Program (HSIP) funds to deploy technology applications in work zones.
United States. Department of Transportation. Federal Highway Administration. Office of Operations
2018-06-01
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Urban Congestion Report (UCR)
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PDF
The Urban Congestion Report (UCR) is produced on a quarterly basis and characterizes the most recent traffic congestion and reliability trends at the national and city level. Each quarterly UCR compares data from the most recent three months to the same three months in the previous year.
As America’s urban population multiplies, so does the number of cars on city streets. The resulting congestion can contribute to increased or unreliable travel time. For its 2016 Urban Congestion Trends report, the Federal Highway Administration (FHWA) calculated the hours of congestion in 52 of the largest U.S. metropolitan areas at 4:43 hours, up
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SHRP2 provided implementation assistance to four pilots and one lead adopter to explore advanced integrated travel models. The four C10 pilots aimed to evaluate integrated activity-based travel demand models (ABM) and dynamic traffic assignment (DTA) models. These models have a fine-grained time and space resolution, and thus can be used to address
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This final report documents a study by the Delaware Department of Transportation (DelDOT) to analyze the flood vulnerability of SR 1 between Rehoboth Beach and Fenwick Island and to develop conceptual designs for nature-based protection such as marsh restoration and oyster reefs.
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