This case study highlights two noteworthy practices at the New York State Department of Transportation (NYSDOT) regarding traffic data collection agreements with local agencies and random sampling procedures to select short-duration traffic count locations. Through agreements with local agencies, NYSDOT provides traffic counting equipment and train
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United States. Department of Transportation. Federal Highway Administration. Office of Operations
2017-03-01
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Urban Congestion Report (UCR)
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PDF
The Urban Congestion Report (UCR) is produced on a quarterly basis and characterizes the most recent traffic congestion and reliability trends at the national and city level. Each quarterly UCR compares data from the most recent three months to the same three months in the previous year.
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2017-03-01
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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.
The need to accurately characterize the structural condition of existing pavements has increased with the recent development, release, and ongoing implementation of the Mechanistic-Empirical Pavement Design Guide (MEPDG). A number of different material inputs are required in the procedure, and it is important to adequately characterize and define t
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This paper investigates the trends of longitudinal and transverse cracking in jointed concrete pavements based on Long-Term Pavement Performance (LTPP) Program Strategic Study of Structural Factors for Rigid Pavements (SPS-2) data. The impacts of slab properties, base type, traffic volume, and environmental factors on the occurrence and extent of l
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2017-03-01
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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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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.
The perception of negative equity impacts associated with pricing implementation has often plagued congestion pricing projects. It has been argued that pricing roadways limits the options available to low-income travelers while simultaneously increasing the number of options available to high-income users. Significant research into the income-equit
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2017-03-01
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PDF
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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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2017-03-01
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PDF
The Pedestrian and Bike Forum newsletter provides information to FHWA stakeholders on reducing the number of pedestrian- and bicycle-related highway fatalities and serious injuries. Topics include updates on FHWA programs, spotlights on State and local noteworthy practices, initiatives with partner organizations, and upcoming events. It is publishe
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The primary objective of this project is to develop multiple simulation testbeds/transportation models toevaluate the impacts of DMA connected vehicle applications and the active transportation and demandmanagement (ATDM) strategies. The primary purpose of this report is to document the calibration processfor AMS Pasadena Testbed. The report expand
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United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2017-03-01
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Public Roads
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PDF
Public Roads is the quarterly magazine of the Federal Highway Administration (FHWA). Reading Public Roads is the easiest way to keep up-to-date on developments in federal highway policies, programs, and research and technology. More specifically, the magazine "covers" advances and innovations in highway/traffic research and technology, critical nat
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Center line rumble strips (CLRSs) and shoulder rumble strips (SRSs) are proven countermeasures for reducing roadway departure crashes, including head-on and run-off-road crashes. The objectives of this project were twofold. The first objective was to develop a rumble strip decision support guide to inform agencies on CLRS and SRS installation. The
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Digital project delivery is a paradigm that can enable the State Transportation Agency (STA) to make effective decisions throughout the project lifecycle. All project delivery starts with a sound understanding of the existing site conditions. The closer that understanding is to the actual field conditions, the more meaningful the decisions made dur
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United States. Department of Transportation. Federal Highway Administration. Office of Real Estate Services
2017-03-01
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PDF
The Federal Highway Administration's (FHWA) Office of Real Estate Services Newsletter is a resource which is intended to provide right-of-way professionals with the latest best practices, research results, training information, and information on policy and regulatory updates to ensure that Federal, State and local right-of-way program delivery is
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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
2017-03-01
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PDF
The current climate of aging transportation infrastructure, budget challenges, changing technologies, and an increased understanding of performance relationships is allowing engineers to move further away from standards to focus on getting the best return on investment. Many transportation agencies see that meeting standards with today’s challenges
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Based on current practices, traffic simulation models are calibrated and validated using macroscopic measures such as 15-minute averages of traffic counts or average point-to-point travel times. For an emerging number of applications, including connected vehicles, the realism of simulated driver dynamics at the second-by-second or sub-second trajec
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