Achieving appropriate in-place density is critical to the long-term performance of an asphalt pavement as a small change in inplace density can significantly affect the pavement service life. Thus, a Federal Highway Administration (FHWA) demonstration project was created for “Enhanced Durability of Asphalt Pavements through Increased In-place Pavem
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There is a lot of global experience with fixed fire fighting systems in road tunnels, particularly in Australia and Japan, but also in several recently constructed tunnels in the United States and Europe. The U.S. first implemented FFFS in their tunnels in the 1950s, however, this approach did not become routine, partly due to unsuccessful tests of
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2020-04-01
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National Household Travel Survey (NHTS)
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According to the 2017 National Household Travel Survey (NHTS), Americans ages 5+ reported more than 42.5 billion trips by walking or biking. These trips averaged 1 mile in length and 16 minutes in duration and comprised almost 12% of all trips annually (across all modes and purposes). Definitionally, non-motorized trips (i.e., walking and biking) i
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The Federal Highway Administration (FHWA) published a Request for Information (RFI) in December 2017 for new innovations for the fifth round of Every Day Counts (EDC), deployed 2019–2020, and again in December 2019 for the next round of deployment in 2021–2022. The RFI is FHWA’s opportunity to hear from State, Local, Academia, and Industry partners
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Micromobility has rapidly proliferated in cities nationwide, proving to be a popular transportation option for many users. Micromobility devices may be individually owned; however, the recent surge of devices in cities is due primarily to the deployment of shared fleets by private companies. Shared micromobility systems are deployed in targeted ser
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United States. Department of Transportation. Federal Highway Administration. Office of Operations
2020-04-01
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Work zones are a necessary part of the life cycle of our streets, roads, and highways. They provide a safe area for workers and a safe route for road users around needed road work activity (construction, maintenance, utility). Although work zones play a critical role, they can also be a major cause of congestion and delay. Every spring, the Federal
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The Pavement Preservation Research Roadmap, originally developed between 2006 and 2008 as the Transportation System Preservation (TSP) Research, Development, and Implementation Roadmap and including both pavements and bridges, was updated under a contract with the Federal Highway Administration (FHWA). The Roadmap is intended for use by State, loca
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United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office
2020-04-01
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For almost three decades, the ITS JPO has fostered pioneering research and development in technology and evaluation of each generation of ITS. These efforts have helped to save lives, improve access and mobility, and increase economic productivity. The ITS JPO is now looking ahead to the next 5 years of transportation innovation. The ITS JPO Strate
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The objective of this research was to examine the link between driving speed and crash experience on roadway segments, taking into account roadway characteristics that influence speed and crash frequency and severity. A potential outcome of the research was improved safety performance functions that included a speed term or crash modification facto
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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. Department of Transportation. Federal Highway Administration. Office of Operations
2020-04-01
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In 2000, the Washington Department of Transportation (WSDOT) deployed the Whatcom County region’s first border wait time system, designed to address large vehicle wait time inconsistencies between the Peace Arch/Douglas and Pacific Highway Ports-of-Entry, situated less than one mile apart. Whatcom County, located in northwestern Washington State, b
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United States. Department of Transportation. Federal Highway Administration. Office of Operations
2020-04-01
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On an annual basis, over 1.1 million trucks and more than 5 million vehicles cross the Peace Bridge that spans the Niagara River and connects Western New York State and Southern Ontario, Canada.1 Twenty- five miles north on the Niagara River, about 800,000 trucks and 2.6 million vehicles annually cross the Lewiston- Queenston Bridge.2 Trucks crossi
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2020-04-01
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Chicago’s Vision Zero Action Plan identified 43 High Crash Corridors, which are corridors where a disproportionately high number of people have been killed or severely injured in traffic crashes. The Chicago Department of Transportation (CDOT) adopted a Rapid Delivery approach to provide a better response to the community and quickly address road s
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2020-04-01
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The City of Fremont Vision Zero 2020 Status Report and Action Plan, published in March 2016, identified that approximately 50 percent of the City’s fatal and serious injury collisions occurred in the early or late evening, with the higher percentage of crashes occurring in the early evening period between 6:00 p.m. and 10:00 p.m. In response to thi
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2020-04-01
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The Hillsborough County Metropolitan Planning Organization (MPO), in the Tampa, Florida region, identified several corridors in the roadway transportation network that would benefit from infrastructure enhancements to improve the safety, mobility, and accessibility of all users, particularly pedestrians and bicyclists. Through early crash analysis,
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2020-04-01
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Oregon Metro, more commonly known as Metro, the Metropolitan Planning Organization for the Portland, Oregon metropolitan region, focused on ways to address disparities and improve racial and social equity in the implementation of Vision Zero projects in the region. The agency’s boundary encompasses Portland, Oregon and 23 other cities stretching fr
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HFST is a pavement surface treatment consisting of a polymer resin binder used to bond a 1‒3 mm nominal-size polish- and abrasion-resistant aggregate to the pavement surface. HFST is a safety treatment used specifically to restore or enhance the friction of virtually any pavement surface in order to reduce roadway departure crashes. HFST provides a
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Automated traffic signal performance measures (ATSPM) are an enabling technology that leverages data collection and analysis for proactive traffic signal system management. This report highlights the technical outreach undertaken by FHWA to assist States in meeting their Every Day Counts (EDC) Round 4 implementation objectives with respect to ATSPM
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