This is the updated, 3rd version of this document. The first version is FHWA-HOP-07-130, and the second version is FHWAHOP- 09-037. While many of the nation’s bottlenecks are addressed through costly major construction projects (i.e., “megaprojects”) or costly transportation alternative solutions (e.g., HOV or HOT lanes, dynamic pricing, investment
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2012-04-01
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On a monthly basis, each State is required to report to the Federal Highway Administration (FHWA), the amount of gallons taxed by that state. This data is analyzed and compiled by FHWA staff. The data on the amount of on-highway fuel use for each State is then used to attribute federal revenue to each State. Yearly, the FHWA, Office of Policy, prov
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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 document provides guidelines for identifying stream instability problems at highway stream crossings. It is an update of the third edition published in 2001. The HEC-20 manual covers geomorphic and hydraulic factors that affect stream stability and provides a step-by-step analysis procedure for evaluation of stream stability problems. Stream c
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United States. Federal Highway Administration. Office of Research, Development, and Technology
2012-04-01
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A majority of State transportation agencies use the design-build (DB) contracting method to deliver some transportation projects. Documented benefits of DB include faster project delivery, improved constructability, less cost growth, early cost certainty, and fewer claims. The purpose of this TechBrief is to help clarify the roles, responsibilities
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United States. Federal Highway Administration. Office of Research, Development, and Technology
2012-04-01
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Ultra-high performance concrete (UHPC) is an emerging construction material that has been demonstrated to advance the state of the art for construction of prefabricated bridge elements and systems (PBES). Specifically, UHPC allows for significant simplifications in the design of the component connections, while simultaneously affording enhanced dur
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United States. Federal Highway Administration. Office of Research, Development, and Technology
2012-04-01
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This overarching Federal Highway Administration (FHWA) Research and Technology (R&T) infrastructure strategic plan and its supporting roadmap will guide Infrastructure R&T efforts for the next 5 years and beyond. The plan will provide a comprehensive focus and direction across organizational boundaries and assist in prioritizing program initiatives
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Work Zone Traffic Analysis (WZTA) is the process of evaluating and determining the safety and mobility impacts within a construction, maintenance, or rehabilitation project. Establishing a procedure for analyzing work zone mobility and safety impacts aids agencies in the planning, decision-making, design, and financial aspects of the project. This
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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. Federal Highway Administration. Office of Corporate Research, Technology, and Innovation Management
2012-04-01
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Focus (ISSN 1060-6637), which is published monthly by the U.S. Department of Transportation’s Federal Highway Administration (FHWA), covers the implementation of innovative technologies in all areas of infrastructure. Its primary mission is twofold: (1) to serve the providers of highway infrastructure with innovations and support to improve the qua
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The demand for accelerated construction of highway bridges and the historically sub-optimal performance of cast-in-place bridge decks has led to a demand for the use of prefabricated concrete bridge decks. Although this decking system presents many advantages, one fundamental hurdle to its use is the field-cast connections which join the panels to
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2012-04-01
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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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The Federal Highway Administration's (FHWA's) Fostering Multimodal Connectivity Newsletter is intended to provide transportation professionals with real-world examples of ways that multimodal transportation investments promote economic revitalization, provide access to jobs, and achieve safer communities through support of accelerated project deliv
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This informational report describes four primary practices and methodologies that are used in establishing speed limits (engineering approach, expert systems, optimization, and injury minimization). It also reviews the basic legalities of speed limits and presents several case studies for setting speed limits on a variety of roads. Despite the gene
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The Long-Term Plan for Concrete Pavement Research and Technology (CP Road Map) is a holistic strategic plan for concretepavement research and technology transfer. The CP Road Map is a living plan that includes 12 distinct but integrated researchtracks leading to specific products and processes. The resulting improvements will help the concrete pave
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This report presents the Safety Data Test Plan for the national evaluation of the Los Angeles County Congestion Reduction Demonstration (CRD) under the United States Department of Transportation (U.S. DOT) Urban Partnership Agreement (UPA) Program. The Los Angeles County CRD projects focus on reducing congestion by employing strategies consisting o
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This report presents the Exogenous Factors Test Plan for the national evaluation of the Los Angeles County Congestion Reduction Demonstration (LAC CRD) under the United States Department of Transportation (U.S. DOT) Congestion Reduction Demonstration (CRD) Program. The LAC CRD projects focus on reducing traffic congestion by employing strategies co
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The purpose of this report is to document the stakeholder input received at the February 8, 2012, stakeholder workshop at the Hall of States in Washington, D.C. on goals, performance measures, transformative performance targets, and high-level user needs for the Intelligent Network Flow Optimization (INFLO) bundle of mobility applications. This inp
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This report addresses communications to support safety applications specifically aimed at improving safety for mobile entities (vehicles, pedestrians, bicycles etc.) at signalized intersections. Collectively these applications are referred to as Signal Phase and Timing (SPaT) applications based on the (SPaT) messages used to convey the state of the
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