United States. Department of Transportation. Federal Highway Policy & Guidance Center
2019-02-20
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Memoranda & Guidance: Guidance
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PDF
Safety Performance Management (Safety PM) is part of the overall Transportation Performance Management (TPM) program, which the Federal Highway Administration (FHWA) defines as a strategic approach that uses system information to make investment and policy decisions to achieve national performance goals. The Safety PM Final Rule is codified under T
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United States. Federal Highway Administration. Office of Planning, Environment, and Realty
2019-02-07
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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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United States. Department of Transportation. Federal Highway Administration
2019-02-01
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PDF
Over the past three decades, life in the United States has changed significantly. Technological advancements have revolutionized shopping and personal interactions and have led to expanded opportunities for remote working and online classes. Many cities have invested in new social and recreational opportunities, and developers continue to respond t
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United States. Department of Transportation. Federal Highway Administration
2019-02-01
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PDF
The National Household Travel Survey (NHTS) is designed to provide a snapshot of demographic and travel behavior across the United States. While an essential part of the survey is to obtain details of daily person travel, it also includes an attitudinal component where respondents are given the opportunity to provide their opinions on several topic
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United States. Department of Transportation. Federal Highway Administration
2019-02-01
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PDF
Transit services play a vital role in the ability of Americans to access work, school, shopping, and other daily activities. The National Household Travel Survey (NHTS) provides insights into when, where, and how transit is used and by whom. Other national statistics on transit ridership include the National Transit Database (NTD) and the American
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United States. Department of Transportation. Federal Highway Administration
2019-02-01
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PDF
Over the past 16 years, the proportion of trips reported by six age groups (i.e., 13–15, 16–17, 18–34, 35–64, 65–74, and 75+) has remained relatively stable. As shown in figure 1, according to the 2001, 2009, and 2017 National Household Travel Survey (NHTS), travel by teens (i.e., ages 13–17) has steadily accounted for 7% of all trips reported in e
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United States. Department of Transportation. Federal Highway Administration
2019-02-01
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PDF
Travel behavior trends are impacted by a variety of factors, including household characteristics, built environment, and transportation service, among others. Transportation planning has traditionally focused on work trips and related rush hour congestion, but in the past decade, more recognition has also been given to the role of non-work trips as
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In supporting State Departments of Transportation (DOTs) and Metropolitan Planning Organizations (MPOs) in using Geographic Information Systems, the Federal Highway Administration (FHWA) is publishing this Case Study Report focusing on the use of mobile applications by transportation agencies to collect and manage geospatial asset data. To gather i
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This report documents how metropolitan planning organizations (MPO), State departments of transportation (DOT), and other transportation agencies are adapting Environmental Justice (EJ) analysis techniques to understand transportation impacts in communities undergoing rapid demographic change. The report also highlights national demographic trends,
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Rising commercial traffic volumes, staffing cuts, and expanding roadside enforcement personnel roles and responsibilities are stretching the ability of States to conduct effective commercial vehicle enforcement. To address this, the Federal Highway Administration’s (FHWA) Office of Freight Management and Operations and the Federal Motor Carrier Saf
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United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2019-02-01
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PDF
This cost study was initiated to compare EEs (engineer’s estimates) to winning bids for 13 GRS-IBS (Geosynthetic Reinforced Soil–Integrated Bridge System) projects and evaluate ICEs (independent cost estimates) for GRS-IBSs and assumed alternative foundation systems. As part of this comparison, project specifications were evaluated to identify meth
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In supporting State Departments of Transportation (DOTs) and Metropolitan Planning Organizations (MPOs) in using Geographic Information Systems, the Federal Highway Administration (FHWA) is publishing this Case Study Report focusing on the use of mobile applications by transportation agencies to collect and manage geospatial asset data. To gather i
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2019-02-01
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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 Tampa Hillsborough Expressway Authority (THEA) Connected Vehicle (CV) Pilot Deployment Program is intended to develop a suite of applications that utilize vehicle-to-infrastructure (V2I) and vehicle-to-vehicle (V2V) communication technology to reduce traffic congestion, improve safety, and decrease emissions. These CV applications support a fle
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2019-02-01
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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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Cooperative Agreement No. DTFH61-06-H-00034 aimed to use the results of the National Highway Traffic Safety Administration-sponsored Motorcycle Crash Causation Study. The original agreement was to conduct a large-scale study and collect data on 280 motorcycle crashes and 560 control (comparison) cases and make that data available to researchers; ho
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The purpose of this study was to gather data on motorcycle crashes by intensive post-crash investigations and control motorcycle observations and interviews conducted in Orange County, CA. The study developed a dataset that researchers can access and use to investigate additional research questions. The database provides data from 351 injury crashe
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Ultra-high performance concrete (UHPC) is a class of cementitious composite materials designed to exhibit exceptional mechanical and durability properties, including sustained postcracking tensile strength. Laboratory tests of structural elements have clearly indicated that UHPC components can exhibit tensile mechanical properties far in excess of
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This large-scale study, based on the Motorcycle Crash Causation Study (MCCS) sponsored by the National Highway Traffic Safety Administration, gathered data on motorcycle (MC) crashes by intensive post-crash investigations and control MC observations and interviews conducted in Orange County, CA. The study developed a dataset that researchers can us
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Much of the fundamental basis for the current lightweight concrete provisions in the AASHTO LRFD Bridge Design Specifications is based on research of lightweight concrete (LWC) from the 1960s. The LWC that was part of this research used traditional mixes of coarse aggregate, fine aggregate, portland cement, and water. Broad-based advancement in con
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