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Federal Highway Administration

rosaP Repository & Open Science Access Portal

This collection contains reports and resources from the Federal Highway Administration (FHWA). Bookmark this collection: https://rosap.ntl.bts.gov/collection_fhwa or https://doi.org/10.21949/1530833.

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Showing 2501 - 2520 of 15928 results
  • ITS Deployment Evaluation Executive Briefing Artificial Intelligence and Machine Learning for Transportation
    ITS Deployment Evaluation Executive Briefing: Artificial Intelligence and Machine Learning for Transportation
    United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office
    2021-01-01 | PDF
    Artificial Intelligence (AI) is revolutionizing every walk of life, allowing machines to learn from experience, adapt, and perform tasks that have historically required human cognition. Factors that have led to increased attention to AI in the last decade include increased computing power, mass data collection and storage, and innovations in AI alg ...
  • ITS Deployment Evaluation Executive Briefing Executive Summary
    ITS Deployment Evaluation Executive Briefing: Executive Summary
    United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office
    2021-01-01 | PDF
    Intelligent transportation systems (ITS) provide a proven set of strategies for advancing transportation safety, mobility, efficiency, and environmental sustainability by integrating communication and information technology applications into the management and operation of the transportation system across all modes. ITS technologies will continue t ...
  • Proven Safety Countermeasures Bicycle Lanes
    Proven Safety Countermeasures: Bicycle Lanes
    United States. Department of Transportation. Federal Highway Administration. Office of Safety
    2021-01-01 | PDF
    Most fatal and serious injury bicyclist crashes occur at non-intersection locations. Nearly one-third of these crashes involve overtaking motorists1 ; the speed and size differential between vehicles and bicycles can lead to severe injury. To make bicycling safer and more comfortable for most types of bicyclists, State and local agencies should con ...
  • Proven Safety Countermeasures Variable Speed Limits
    Proven Safety Countermeasures: Variable Speed Limits
    United States. Department of Transportation. Federal Highway Administration. Office of Safety
    2021-01-01 | PDF
    Selecting appropriate speed limits on roadways is important in maintaining a safe and efficient transportation network. Speed limits are established with an engineering study based on inputs like traffic volumes, operating speeds, roadway characteristics, and crash history. However, conditions on the roadway are susceptible to change in a short amo ...
  • Proven Safety Countermeasures Crosswalk Visibility Enhancements
    Proven Safety Countermeasures: Crosswalk Visibility Enhancements
    United States. Department of Transportation. Federal Highway Administration. Office of Safety
    2021-01-01 | PDF
    Poor lighting conditions, obstructions such as parked cars, and horizontal or vertical roadway curvature can reduce visibility at crosswalks, contributing to safety issues. For multilane roadway crossings where vehicle volumes are in excess of 10,000 Average Annual Daily Traffic (AADT), a marked crosswalk alone is typically not sufficient. Under su ...
  • Proven Safety Countermeasures Rectangular Rapid Flashing Beacons RRFB
    Proven Safety Countermeasures: Rectangular Rapid Flashing Beacons (RRFB)
    United States. Department of Transportation. Federal Highway Administration. Office of Safety
    2021-01-01 | PDF
    A marked crosswalk or pedestrian warning sign can improve safety for pedestrians crossing the road, but at times may not be sufficient for drivers to visibly locate crossing locations and yield to pedestrians. To enhance pedestrian conspicuity and increase driver awareness at uncontrolled, marked crosswalks, transportation agencies can install a pe ...
  • Proven Safety Countermeasures Medians and Pedestrian Refuge Islands in Urban and Suburban Areas
    Proven Safety Countermeasures: Medians and Pedestrian Refuge Islands in Urban and Suburban Areas
    United States. Department of Transportation. Federal Highway Administration. Office of Safety
    2021-01-01 | PDF
    A median is the area between opposing lanes of traffic, excluding turn lanes. Medians in urban and suburban areas can be defined by pavement markings, raised medians, or islands to separate motorized and nonmotorized road users. A pedestrian refuge island (or crossing area) is a median with a refuge area that is intended to help protect pedestrians ...
  • Proven Safety Countermeasures Enhanced Delineation for Horizontal Curves
    Proven Safety Countermeasures: Enhanced Delineation for Horizontal Curves
    United States. Department of Transportation. Federal Highway Administration. Office of Safety
    2021-01-01 | PDF
    Enhanced delineation at horizontal curves includes a variety of potential strategies that can be implemented in advance of or within curves, in combination, or individually.
  • Making Our Roads Safer One Countermeasure at a Time 2021
    Making Our Roads Safer One Countermeasure at a Time [2021]
    United States. Department of Transportation. Federal Highway Administration
    2021-01-01 | PDF
    The FHWA has identified and is promoting widespread use of a set of 28 Proven Safety Countermeasures that can offer significant, measurable impacts as part of any agency’s data-driven, systemic approach to improving safety. These strategies are designed to enhance safety on all kinds of roads—from rural to urban, from high-volume freeways to less t ...
  • A Safe SystemBased Framework and Analytical Methodology for Assessing Intersections techbrief
    A Safe System-Based Framework and Analytical Methodology for Assessing Intersections [techbrief]
    Porter, Richard J. ;
    Dunn, Michael
    2021-01-01 | PDF
    In the United States, the Safe System approach represents a paradigm shift in how road safety is addressed. Foundational to the Safe System approach is that no person should be killed or seriously injured when using the road system, and that it is a shared responsibility by all parties involved to ensure this becomes reality. From a roadway infrast ...
  • Special Issue Weekly Traffic Volume Report Interstate Travel for Week No 52
    Special Issue - Weekly Traffic Volume Report: Interstate Travel for Week No. 52
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2020-12-27 | PDF
    The Weekly Traffic Volume Report estimates the vehicle miles traveled (VMT) for interstate highways and how the total travel measured by VMT compares with travel that occurred in the same week of the previous year. The VMT is further split into passenger vehicle and truck components. The information gives new insights into the effect on traffic by ...
  • Special Issue Weekly Motor Fuel Report Gasoline Product Supplied for Fiscal Year Week No 13 Data Complete Through 12252020
    Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 13, Data Complete Through 12/25/2020
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2020-12-25 | PDF
    The Weekly Gasoline Product Supplied Report offers insight on weekly fluctuation of the gasoline product supply, which is an important part of any analysis of construction trends, materials and operating costs associated with highway repair and construction, and changes in traffic volume. These data come directly from the Energy Information Adminis ...
  • Incorporating Automated Vehicles into Scenario Planning Models
    Incorporating Automated Vehicles into Scenario Planning Models
    ICF International (Firm)
    2020-12-23 | PDF
    The objective of this project was to inventory the state of the practice for integrating AVs into the modeling process and to develop metrics, models and prototype tools for quantitative evaluation of AV scenario planning impacts. The outcome of the project is a usable framework and prototype planning model to establish the viability and access to ...
  • Special Issue Weekly Traffic Volume Report Interstate Travel for Week No 51
    Special Issue - Weekly Traffic Volume Report: Interstate Travel for Week No. 51
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2020-12-20 | PDF
    The Weekly Traffic Volume Report estimates the vehicle miles traveled (VMT) for interstate highways and how the total travel measured by VMT compares with travel that occurred in the same week of the previous year. The VMT is further split into passenger vehicle and truck components. The information gives new insights into the effect on traffic by ...
  • Special Issue Weekly Motor Fuel Report Gasoline Product Supplied for Fiscal Year Week No 12 Data Complete Through 12182020
    Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 12, Data Complete Through 12/18/2020
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2020-12-18 | PDF
    The Weekly Gasoline Product Supplied Report offers insight on weekly fluctuation of the gasoline product supply, which is an important part of any analysis of construction trends, materials and operating costs associated with highway repair and construction, and changes in traffic volume. These data come directly from the Energy Information Adminis ...
  • Monthly Motor Fuel Reported by States August 2020
    Monthly Motor Fuel Reported by States: August 2020
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2020-12-15 | 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 ...
  • Special Issue Weekly Traffic Volume Report Interstate Travel for Week No 50
    Special Issue - Weekly Traffic Volume Report: Interstate Travel for Week No. 50
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2020-12-13 | PDF
    The Weekly Traffic Volume Report estimates the vehicle miles traveled (VMT) for interstate highways and how the total travel measured by VMT compares with travel that occurred in the same week of the previous year. The VMT is further split into passenger vehicle and truck components. The information gives new insights into the effect on traffic by ...
  • Special Issue Weekly Motor Fuel Report Gasoline Product Supplied for Fiscal Year Week No 11 Data Complete Through 12112020
    Special Issue - Weekly Motor Fuel Report: Gasoline Product Supplied for Fiscal Year Week No. 11, Data Complete Through 12/11/2020
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2020-12-11 | PDF
    The Weekly Gasoline Product Supplied Report offers insight on weekly fluctuation of the gasoline product supply, which is an important part of any analysis of construction trends, materials and operating costs associated with highway repair and construction, and changes in traffic volume. These data come directly from the Energy Information Adminis ...
  • Human Environment Digest December 10 2020
    Human Environment Digest: December 10, 2020
    United States. Federal Highway Administration. Office of Planning, Environment, and Realty
    2020-12-10 | 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 ...
  • Special Issue Weekly Traffic Volume Report Interstate Travel for Week No 49
    Special Issue - Weekly Traffic Volume Report: Interstate Travel for Week No. 49
    United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
    2020-12-06 | PDF
    The Weekly Traffic Volume Report estimates the vehicle miles traveled (VMT) for interstate highways and how the total travel measured by VMT compares with travel that occurred in the same week of the previous year. The VMT is further split into passenger vehicle and truck components. The information gives new insights into the effect on traffic by ...
2501 - 2520 / 15928