NEARLY 60 PERCENT of failed bridges in recent years have succumbed to hydraulic forces. As our highway infrastructure ages and the risk of bridge and culvert failures rises, the need to predict, detect, and prevent water-related damage grows more urgent. To stimulate advanced research in this area, the Federal Highway Administration's (FHWA's) Expl
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Since 2007, the Federal Highway Administration’s (FHWA) Exploratory Advanced Research (EAR) Program has funded over 35 research projects. With project durations ranging from 2 to 4 years, 2010 saw the first projects awarded under the EAR program nearing conclusion. Each of these projects includes a transition plan from research to next steps and mo
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Advancing Metropolitan Planning for Operations: The Building Blocks of a Model Transportation Plan Incorporating Operations – A Desk Reference is designed to support transportation planners and their partners in applying the objectives-driven, performance-based approach to planning for operations.
This Technical Brief provides an overview of the intent of the Superpave volumetric mix design and a suggested process to evaluate effects of changes to the gyration levels.
This paper examines lessons and insights from private companies and public organizations that may apply to agencies in the United States working to advance transportation planning for operations using a strategic approach. The use of specific objectives and performance measures to manage operational performance is common practice among self-sustain
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Safe, quick clearance (SQC) laws and policies are a central component to reaping the safety, mobility, and economic benefits of Traffic Incident Management (TIM). Without effective implementation of three core SQC laws, the benefits of even the most advanced and effective TIM practices will be limited. Effective implementation of these three types
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United States. Department of Transportation. Federal Highway Administration. Office of Operations
2010-01-01
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TIM teams across the country are recognizing that improvements in individual agency TIM operations are helpful, but that to make a real impact responders must work together to assess, identify and act on opportunities for improvement. In short, TIM has become a team sport. TIM teams across the country are increasingly interested in jointly measurin
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United States. Department of Transportation. Federal Highway Administration. Office of Operations
2010-01-01
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The Federal Highway Administration has launched a peer-driven, highly useful, intuitive tool designed to provide TIM professionals with the knowledge and tools they need to successfully implement program-level TIM performance measures in their state.
In the past, much, or all, of recurring congestion was felt to be a systemic problem ("not enough lanes") but much of the root cause of recurring congestion is in fact subordinate locations within a facility; i.e., "bottlenecks" and chokepoints. Elsewhere on the same facility and during the same hours, the facility runs free. This document is meant
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2010-01-01
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Pedestrian crashes account for about 12% of all traffic fatalities annually. Over 75% of these fatalities occur at non-intersection locations. On average, a pedestrian is killed in a motor vehicle crash every 120 minutes and one is injured every 8 minutes. Many of these crashes are preventable. By providing raised medians and pedestrian refuge isla
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2010-01-01
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Annually, around 4,500 pedestrians are killed in traffic crashes with motor vehicles in the United States. Pedestrians killed while “walking along the roadway” account for almost 8% of these deaths. Many of these tragedies are preventable. Providing walkways separated from the travel lanes could help to prevent up to 88% of these “walking along roa
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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 Real Estate Services
2010-01-01
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2010 study of the actual costs businesses incur as a result of having to relocate for a public transportation project and determine the costs that would be reimbursable if reestablishment expense payments were not limited to the current Federal statutory maximum amount of $10,000.
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2010-01-01
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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 Safety
2010-01-01
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The Safety Edge is a simple but effective solution that can help save lives by allowing drivers who drift off highways to return to the road safely. Instead of a vertical drop-off, the Safety Edge shapes the edge of the pavement to 30 degrees. Research has shown this is the optimal angle to allow drivers to re-enter the roadway safely. The asphalt
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2010-01-01
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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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The Federal Highway Administration’s retroreflectivity team prepared a revised assessment of the economic impacts for a proposed rulemaking initiative that would revise the Manual on Uniform Traffic Control Devices (MUTCD) to include minimum maintained levels of retroreflectivity for pavement markings. The revised assessment represents an update of
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2010-01-01
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In order to reduce fatalities and serious injuries on our Nation’s road network, local and rural highway practitioners have to routinely integrate safety in their projects and programs. FHWA established Local & Rural Road Safety Peer-to-Peer Assistance as a form of technical assistance for local and rural highway agencies to adequately address safe
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FHWA produced this guide was developed for use by Safety/Service Patrol operators and supervisors. It is expected that Safety/Service Patrol personnel will carry the guide in their vehicle to use as a quick reference while performing patrol tasks. They should refer to this guide on a regular basis as a refresher on steps and tasks associated with m
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The purpose of this document is to provide guidance on the application of the Tapered Match provisions on Federal-Aid Highway Program projects. Tapered match is a process, allowed under specific conditions as addressed below, that allows flexibility in meeting the non-Federal share requirements, provided the overall Federal share is not exceeded at
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