United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2019-09-01
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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.
This report summarizes proceedings of an Automated Vehicle (AV) modeling peer exchange sponsored by the Federal Highway Administration (FHWA) and hosted by the Maricopa Association of Governments in Phoenix, AZ, on June 27, 2019. The purpose of the peer exchange was to discuss the potential impacts of emerging technologies, such as AVs, on the long
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Cybersecurity is a growing concern worldwide. Over the past several years, much focus has been placed on critical infrastructure providers and their ability to implement cybersecurity in order to continue providing critical services. Traffic Management Centers (TMCs) and Intelligent Transportation Systems (ITS) infrastructure leverage modern commun
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The Central Freeway Project in San Francisco arose from public efforts to remove and rehabilitate a portion of the two-deck, 40- foot-high freeway to improve connectivity and livability in the Hayes Valley neighborhood. The freeway was a barrier separating the more upscale west side of the neighborhood from the lower income east side. Furthermore,
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The Federal Highway Administration's Road Weather Management Program (RWMP) assesses its progress toward meeting programmatic objectives through established performance measures. Assessments have been completed and documented in 2009, 2012, 2015, and 2017, and this update is the next iteration of this periodic review. This report provides a concise
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This Executive Overview highlights the contents of the reference manual developed for a FHWA/NHI training course on pavement preventive maintenance. Preventive maintenance, often summed up as "applying the right treatment to the right pavement at the right time," is becoming increasingly popular in highway agencies interested in overall pavement pr
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This report highlights key recommendations and noteworthy practices identified from the Building out the 2.0 Bicycle Network peer exchange held in Washington DC on April 10-11, 2019. The peer exchange focused on traditional and emerging methods of bicycle planning analysis and implementation, with an emphasis on bicycle level of traffic stress (LTS
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A turbo roundabout has the same general operating characteristics as modern roundabouts but utilizes notably different geometrics to address conflicts associated with common crash types in multilane roundabouts. International experience suggests turbo roundabouts are adaptable to the U.S. context, providing an effective roundabout solution for high
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The on-road activity calculator is a tool that was designed to help calculate specific activity values for the diesel retrofit and repower/replacement tools based on aggregate activity data. Please use this tool if the following circumstance applies: You have more than one piece of activity data, none of which are specific to the desired vehicle ty
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2019-09-01
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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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United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2019-09-01
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Public Roads
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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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The United States Department of Transportation (USDOT) recognizes that cooperative automated driving systems will have a transformative impact on how the nation’s highways will operate in the future. One of the proposed near-term services is truck platooning. Truck platooning promises fuel savings to platooning trucks by enabling them to follow eac
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The sinkhole associated with the Napoleonville salt dome in Assumption Parish, Louisiana, near Bayou Corne, threatened the stability of Highway 70–a state-maintained route. In order to mitigate any potential damaging effects to the highway and address issues of public safety, a program of monitoring, decision support, and research was implemented t
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United States. Federal Highway Administration. Center for Accelerating Innovation
2019-09-01
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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.
The diesel repower/replacement project emission reductions calculator estimates emission reductions for repowering/replacing heavy-duty diesel vehicles (excluding transit vehicles) of a given model year with a newer diesel vehicle of a more recent model year. 1 Emission reductions are estimated by calculating the reduction in both running and start
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State and local departments of transportation (DOT) continue to invest heavily in the installation of traffic cameras and distribution of live traffic camera video feeds. State and local DOTs, law enforcement, and transit providers across the country have deployed almost half a million cameras to support transportation and public safety. The video
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2019-09-01
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In 2018, 36,560 people were killed in traffic crashes on the Nation’s roadways. In a concerted effort to reduce fatalities, most States have adopted a zero deaths vision or approach in their Strategic Highway Safety Plans (SHSPs). In addition, more than 40 communities have committed to Vision Zero, a strategy to eliminate traffic deaths and severe
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Freight has a significant impact on the economy, on both the National and regional level. The transport of freight accounts for almost nine percent of the Gross Domestic Product in the U.S., which makes efficient freight and commercial truck travel essential to the country’s economic well-being. The freight system moves 55 million tons of goods wor
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The Harbor Drive to Harbor Boulevard right-sizing project is an example of an at-grade freeway to boulevardright-sizing project that achieved economic development goals of recapturing additional land and revitalization. The project replaced the first limited access freeway in Portland, which had become less important since additional freeways were
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