Automated vehicles have the potential to significantly transform the nation’s roadways. They offer potential safety benefits, but also introduce uncertainty for agencies responsible for the planning, design, construction, operation, and maintenance of the roadway infrastructure. The Federal Highway Administration (FHWA) is initiating a national con
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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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A critical factor that contributes to inefficiencies in the management of utility issues in highway projects is the lack of accurate, complete information about utility facilities that might be in conflict with the project. Barriers that transportation agencies must overcome before collecting and storing utility location data include, but are not l
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This Tech Brief describes a recently implemented method for rapid overnight full-depth repairs of continuously reinforced concrete (CRC) pavements using precast concrete panels. This method, developed by the Illinois Tollway, uses continuous longitudinal reinforcement throughout the repair area to make the method applicable for repairing multiple l
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This report identifies and documents best practices and tools for better understanding and analyzing how land use, local economic development, and demographic factors drive freight movement, trip generation, and freight demand analysis. The report includes a literature review.
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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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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The objective of this document is to assess the impacts of Connected Vehicle (CV) technology on Intelligent Transportation Systems (ITS) planning processes and implementation. This report identifies and analyzes how CV technology may be considered in the ITS planning process and subsequent deployment; and investigates the need for new or enhanced t
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United States. Federal Highway Administration. Center for Accelerating Innovation
2018-07-01
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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.
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2018-07-01
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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.
Successes in Stewardship is a Federal Highway Administration (FHWA) bimonthly newsletter highlighting current best practices in stewardship and environmental review from around the country.
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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United States. Federal Highway Administration. Office of Planning, Environment, and Realty
2018-06-28
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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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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.
National Performance Measures for Congestion, Reliability, and Freight, and CMAQ Traffic Congestion: General Guidance and Step-by-Step Metric Calculation Procedures presents recommended steps for calculating the National Highway System performance metrics (23 CFR 490.511), the Truck Travel Time Reliability metrics (23 CFR 490.611), and the Peak Hou
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This manual outlines the state of the art and recommended practice for designing and constructing geosynthetic reinforced soil (GRS) technology for the application of abutments and the Integrated Bridge System (IBS). It was developed to provide engineers with the necessary background knowledge of GRS technology and its fundamental characteristics a
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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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