This document is a technical summary of the Federal Highway Administration report "Safety Evaluation of Red-Light Indicator Lights (RLILs)" (FHWA-HRT-17-077).
This book provides an introduction to the fundamental concepts of road safety. The book’s goal is to equip the reader with a broad base of knowledge about road safety. Thus, the focus is in communicating concepts rather than providing instruction in detailed analysis procedures. The audience for this book is two-fold. First, this is intended for th
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2017-11-01
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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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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.
With the emergence of data generated from connected vehicles, connected travelers, and connected infrastructure, the capabilities of traffic management systems or centers (TMCs) will need to be improved to allow agencies to compile and benefit from using this information. New capabilities will be needed for data acquisition, communications bandwidt
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The Federal Highway Administration as well as State and local agencies face the challenge of providing real-time travel time information to motorists in a manner that allows them to take full advantage of it. One factor contributing to the limited effects of current systems is that the travel time displays are not optimally located. The purpose of
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United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2017-11-01
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This document is a technical summary of the Federal Highway Administration (FHWA) report, "Box Beam Bridges: Testing of Conventional Grout and Ultra-High Performance Concrete Connection Details" (FHWA-HRT-17-093).
This report documents the finite element analysis of a bolted field splice connection from a hypothetical three-span continuous bridge with back spans 234 ft long, and a 300-ft center span. The connection was designed using a traditional approach and then by using a new simplified method that required fewer bolts for the web splice component. The r
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This document is a technical summary of the Federal Highway Administration report "Safety Evaluation of Horizontal Curve Realignment on Rural Two-Lane Roads" (FHWA-HRT-17-066).
The Federal Highway Administration (FHWA) established the Development of Crash Modification Factors (DCMF) program to address highway safety research needs for evaluating new and innovative safety strategies (improvements) by developing reliable quantitative estimates of their effectiveness in reducing crashes. The ultimate goal of the DCMF program
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This is one of nine engineering assessments conducted under the Transportation Engineering Approaches to Climate Resiliency (TEACR) Project. This assessment is different from all the others in that it is not a case study focused on exploring climate impacts to a particular asset. Instead, this report is focused on providing general background on th
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The LTBP Program is a Federal Highway Administration (FHWA) long-term research effort to collect high-quality bridge data from a representative sample of highway bridges nationwide that will help the bridge community to better understand bridge performance.
As part of the U.S. Department of Transportation (DOT) Roadway Transportation Data Business Plan (DBP) project, the Federal Highway Administration (FHWA) Office of Operations developed a guideline for State DOT and local agency staff charged with mobility data-related responsibilities to follow in the creation, development, and implementation of a
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As part of the U.S. Department of Transportation (DOT) Roadway Transportation Data Business Plan (DBP) project, the Federal Highway Administration (FHWA) Office of Operations developed a guide for State DOT and local agency staff charged with mobility data-related responsibilities to follow in the creation, development, and implementation of a DBP
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As part of the U.S. Department of Transportation (DOT) Roadway Transportation Data Business Plan (DBP) project, the Federal Highway Administration (FHWA) Office of Operations developed a technical assistance document for State DOT and local agency staff charged with mobility data-related responsibilities to follow in the creation, development, and
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While many of the nation's bottlenecks are addressed through costly major construction projects (i.e., "megaprojects") or costly transportation alternative solutions (e.g., high occupancy vehicle (HOV) or high occupancy toll (HOT) lanes, dynamic pricing, investments in transit alternatives, parking and commuter incentive programs, etc.) there is a
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United States. Federal Highway Administration. Center for Accelerating Innovation
2017-11-01
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Innovator, published by the FHWA Center for Accelerating Innovation, advances implementation of innovative technologies and processes in the highway industry. Its audience is transportation professionals in highway agencies, trade and research groups, academia and the private sector, and the driving public.
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
2017-11-01
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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.
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