Alternative intersections and interchanges brought major benefits to the United States during the 2008–2018 time period. Given the positive impacts, it stands to reason that similar breakthroughs might be possible at freeway merge and diverge locations. This report describes the outcomes of a project that examined this possibility. The primary tool
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As practices mature, agencies are taking initiatives to apply the asset management approach to an increasing number of assets. This case study summarizes from the 2019 asset management plans how U.S. transportation departments are expanding efforts beyond pavements and bridges. The 2019 plans include examples of managing culverts, intelligent trans
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United States. Federal Highway Administration. Office of Research, Development, and Technology
2020-05-01
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PDF
This TechNote serves as an introduction to spectroscopy, including explaining the science behind spectroscopic test methods. Details for developing a purchase specification for a spectrometer are also included.
United States. Federal Highway Administration. Center for Accelerating Innovation
2020-05-01
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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.
This report captures the activities of the third Senior Executive Transportation and Public Safety Summit held in Washington DC on November 14 and 15, 2019. At this summit, 120 national leaders among transportation, law enforcement, towing and recovery, fire, emergency medical service (EMS), public works, and traffic incident management (TIM)-relat
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2020-05-01
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FHWA has constructed a national vehicle miles traveled (VMT) forecasting model where future VMT growth rates can be estimated for three major economic scenarios - normal, pessimistic, and optimistic growth. The normal growth scenario represents the most Likely economic outlook reflects IHS' assessment of most probable future trends in U.S. populati
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This is one of seven case studies of practices in the 2019 transportation asset management plans (TAMPs). This case study highlights practices State departments of transportation (DOTs) deployed to communicate and engage internal and external stakeholders. These communication practices increased coordination within the DOTs and with important exter
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This is one of seven case studies of practices in the 2019 transportation asset management plans. This case study highlights financial planning and investment practices seen in the 2019 State departments of transportation (DOTs). The practices show how DOTs developed long-term pavement and bridge funding allocations based on anticipated revenue for
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This is one of seven case studies of practices in the 2019 transportation asset management plans (TAMPs). This case study highlights linkage of asset management to long-range plans, the statewide transportation improvement program (STIP), and State planning and programming practices. Examples are selected from the TAMPs in Missouri, Maine, Utah, Oh
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2020-05-01
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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 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.
United States. Department of Transportation. Federal Highway Administration
2020-05-01
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Memoranda & Guidance: Guidance
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The purpose of these questions and answers (Q&As) is to provide technical advice to the Federal Highway Administration's (FHWA) division offices and State departments of transportation (State DOTs) the repurposing of earmarked funding for Federal-aid projects pursuant to section 125 of the Department of Transportation Appropriations Act, 2020, titl
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United States. Department of Transportation. Federal Highway Administration
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2020-05-01
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This document captures lessons learned and best practices for Roadside Units (RSUs) as experienced by the United States Department of Transportation’s (USDOT’s) Connected Vehicle (CV) Pilot sites. The USDOT awarded cooperative agreements collectively worth more than $45 million to three pilot sites in New York City; Wyoming; and Tampa, FL to implem
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This is one of seven case studies of practices in the 2019 transportation asset management plans (TAMPs). This case study highlights examples of how State departments of transportation (DOTs) explained their asset management practices, and the benefits from those practices.
This case study on life cycle practices is one of seven case studies of practices in the 2019 transportation asset management plans (TAMPs). The asset management plans demonstrated increasing emphasis upon planning for the whole life of assets and using life-cycle strategies to achieve a state of good repair (SOGR). The plans also demonstrated the
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Ramsey County, Minnesota, which contains the State capital, St. Paul, implemented a permanent road diet on a relatively high-volume corridor, converting the four-lane facility to two lanes with a center turn lane to improve pedestrian safety and address concerns about traffic speeds. Following the successful implementation of the road diet, the Cou
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United States. Federal Highway Administration. Office of Planning, Environment, and Realty
2020-04-30
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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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