United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2020-11-13
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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
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United States. Federal Highway Administration. Office of Planning, Environment, and Realty
2020-11-12
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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. Office of Highway Policy Information
2020-11-08
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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
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2020-11-06
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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
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United States. Department of Transportation. Federal Highway Policy & Guidance Center
2020-11-06
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Memoranda & Guidance: Guidance
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PDF
The purpose of this memo is to notify tunnel owners of the circumstances of the February 21, 2018 fatal crash in the Lehigh Tunnel and to emphasize the importance of inspecting, documenting, and promptly repairing significant corrosion in nonstructural tunnel elements located above roadways.
Rapid advances in information processing and communications technology have created new opportunities for transportation professionals to deliver safer and more efficient transportation services, and to respond proactively to increasing demand for transportation. However, many of these new opportunities are predicated upon effective coordination be
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2020-11-05
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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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The New York State Department of Transportation (NYSDOT) has a broad-reaching goal to provide safe and efficient roadways throughout the State. This case study presents NYSDOT’s significant advancement in safety data integration and analysis. NYSDOT is developing a State-specific safety management system known as the Crash Location and Engineering
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The transportation-engineering community is transforming by integrating quantitative methods into the task development process. This report identifies opportunities to better understand the relationships between road safety and factors that affect traffic-crash occurrence and severity. In this report, current statistical-analysis methods and data s
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In an era of emerging vehicle automation technologies and advanced traffic management strategies, traffic simulation has become an indispensable tool for giving agencies the confidence they need for adoption and implementation. Likewise the importance of calibration cannot be overstated, because there is no other way to ensure reliability of the si
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United States. Department of Transportation. Federal Highway Administration. Office of Operations
2020-11-01
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PDF
This is one of five fliers that highlight aspects of coordination between Information Technology (IT) and Transportation Systems Management and Operations (TSMO) in transportation agencies. Each flier draws from Principles and Strategies for Effective Coordination of IT and TSMO, a Reference Document.
Challenges in highway construction management and field operations include the lack of real-time and integrated information, gaps between planned solutions and practical implementations, quality assurance, and effective project communications. Three-dimensional (3D) model-based design and construction workflows are becoming more common on highway p
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The Federal Highway Administration (FHWA) Road Weather Management Program (RWMP) weather-responsive traffic management (WRTM) initiative focuses on developing actionable strategies for system management and operations in challenging road weather conditions. The study described in this document uses analysis, modeling, and simulation (AMS) tools wit
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Magnetic imaging tomography (MIT) scanning is a nondestructive method for measuring the alignment of dowels placed at transverse joints of jointed plain concrete pavements (JPCPs). Several highway agencies across the United States have adopted specifications for dowel alignment, with many using the joint score measure. However, this measure was dev
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2020-11-01
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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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This report documents results and observations from friction testing of high-friction surface treatments (HFSTs) as part of an FHWA research study, Developing Crash-Modification Factors for High-Friction Surface Treatments. This larger study provides high-quality crash-modification factors and benefit–cost ratios for HFST with calcined bauxite aggr
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Vision Zero is a strategy to eliminate all traffic fatalities and serious injuries, while increasing safe, healthy, equitable mobility for all. At the time of this report, more than 40 communities across the United States have committed to the Vision Zero strategy. The Federal Highway Administration (FHWA) Office of Safety promotes effective safety
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United States. Federal Highway Administration. Center for Accelerating Innovation
2020-11-01
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PDF
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.
This TechBrief describes an experiment examining the effect of lateral support systems on driving behavior and user acceptance of lateral support systems. The research team used a driving simulator to compare lane-keeping behavior when drivers were controlling the vehicle without lateral assistance (i.e., manual control) or were assisted by lane-de
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This document serves as a quick reference guide for transportation professionals in State and local agencies that are interested in applying a systemic approach to road-safety management. This guide provides brief overviews of the systemic approach, common target crash types and their associated facility types, and contributing factors. It also pro
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