The following guidance was developed in response to a recommendation from the Program Management Improvement Team as an outcome of its review of FHWA’s oversight of the National Bridge Inspection Program (NBIP) in 2015. The guidance will improve national consistency in the NBIP review process for the development and oversight of a Plan of Correctiv
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2017-01-01
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FHWA Highway History Website Articles
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In 1942, 75 years ago, construction crews worked under frigid conditions to complete one of the most challenging engineering projects of World War II. Here’s the story of the Alaska Highway.
United States. Federal Highway Administration. Office of Operations Research and Development
2017-01-01
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CAV technologies offer potentially transformative societal impacts— including significant mobility, safety, and environmental benefits. The U.S. Department of Transportation (USDOT) has led the development, research, and standards-making of these technologies and is currently developing deployment approaches and guidance.Deploying CAV applications
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Travel time variability is that characteristic of the transportation system that means a traveler’s trip will vary from what is normally expected and will potentially take longer than planned. By helping travelers make travel choices that take into account travel time variability, agencies have the potential to reduce roadway congestion. Travel Tim
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Variable speed limit (VSL) systems utilize information on traffic speed, occupancy, and volume detection, weather, and road surface conditions to determine the appropriate speeds at which drivers should be traveling, given current roadway and traffic conditions. The use of VSL during less than ideal conditions, such as heavy traffic and adverse wea
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This report summarizes the variety of methods used to estimate and evaluate exposure to risk in pedestrian and bicyclist safety analyses. In the literature, the most common definition of risk was a measure of the probability of a crash to occur given exposure to potential crash events. There was also consensus on a theoretical definition of exposur
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United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office
2017-01-01
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The Connected Vehicle Pilot Deployment Program was launched in September 2015 to deploy, test, and operationalize cutting-edge mobile and roadside technologies and to enable multiple connected vehicle applications. Sponsored by the Intelligent Transportation Systems (ITS) Joint Program Office (JPO), the USDOT awarded cooperative agreements to three
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Weather has a significant impact on the operations of the nation’s roadway system year round. For example, rain reduces pavement friction; winter weather can leave pavements snow-covered or icy; fog, smoke, blowing dust, heavy precipitation, and vehicle spray can restrict visibility; and flooding, snow accumulation, and wind-blown debris can cause
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United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2017-01-01
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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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United States. Department of Transportation. Federal Highway Administration. Office of Innovative Program Delivery
2017-01-01
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Grant Anticipation Revenue Vehicles (GARVEEs) enable States to pay debt service and other bond-related expenses with future Federal-aid highway funds. The law authorizing GARVEEs, however, makes it clear that a debtfinancing instrument’s eligibility for reimbursement with future Federal-aid highway funding does not constitute a commitment, guarante
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United States. Department of Transportation. Federal Highway Administration. Office of Innovative Program Delivery
2017-01-01
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Build America Bonds (BABs) were authorized by the American Recovery and Reinvestment Act (ARRA) enacted in February 2009. BABs are taxable bonds that are eligible for an interest rate subsidy paid directly from the U.S. Treasury. States and local governments can issue BABs through December 2010. Surface transportation projects are among other publi
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United States. Department of Transportation. Federal Highway Administration. Office of Innovative Program Delivery
2017-01-01
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State Infrastructure Banks (SIBs) are revolving infrastructure investment funds for surface transportation that are established and administered by States.
Q: Can FHWA emergency relief program funds be used to rebuild a damaged highway in a manner that can prevent damage from future extreme weather events? A: Yes, if consistent with current standards or if it would save the FHWA emergency relief program money over time.
This process follows the steps outlined in the Guide for Improving Pedestrian Safety at Uncontrolled Crossing Locations (FHWA-SA-17-072). Each numbered step includes multiple options and components below for agencies to consider; these options are not necessarily sequential, and the agency does not need to complete all activities within each step.
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The nation’s transportation system is essential to the economic prosperity and quality of life of communities. In order to play this critical role infrastructure must be secure and resilient to a myriad of hazards. Resilience is the ability to anticipate, prepare for, and adapt to changing conditions and withstand, respond to, and recover rapidly f
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United States. Department of Transportation. Federal Highway Administration
2017-01-01
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Using proposed replacement designs for a coastal culvert, this case study focused on comparing the outcomes of two different economic analysis techniques. The study also considered the sensitivity of the findings to various discount rates and different assumptions on damage to the roadway during coastal storms.
United States. Department of Transportation. Federal Highway Administration
2017-01-01
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This report summarizes a peer exchange on climate change resilience that was held October 4- 5, 2016 in Atlanta, Georgia and hosted by the Atlanta Regional Commission (ARC). The peer exchange was co-organized by the Federal Highway Administration (FHWA) and ARC. The transportation sector plays an important role in addressing climate change both thr
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