United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-08-06
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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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This System Design Document (SDD) describes the scope of the proposed New York City (NYC) Connected Vehicle Pilot Deployment (CVPD) system. It is a continuation of the systems engineering work based on the system architecture identified in the System Architecture Document (SAD). Its objective is to identify the subsystems and decompose them further
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This document describes the Operational Capability Showcase Plan (OCSP) for the New York City Department of Transportation (NYCDOT) Connected Vehicle Pilot Deployment (CVPD) Project. As part of USDOT Connected Vehicle (CV) Pilot Deployment program, NYCDOT is required to hold an Operational Capability Showcase (OCS) no later than the first 12 months
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This document describes the Concept of Operations (ConOps) for the New York City Department of Transportation (NYC) Connected Vehicle Pilot Deployment (CVPD) Project. This ConOps describes the current state of operations, establishes the reasons for change, and defines the future system in terms of functions/features and supporting operations. It i
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The Concept of Operations (ConOps) document will serve as the guiding document for the Health Connector Phase 1 planning activities, and subsequent deployment and operations and maintenance (O&M) activities in Phases 2 and 3. This document will be used to communicate overall quantitative and qualitative system characteristics to the end user, devel
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This document describes the System Requirements Specification (SyRS) for the New York City Department of Transportation (NYC) Connected Vehicle Pilot Deployment (CVPD) Project. This SyRS describes the results of the definition of need, the operational concept, and system analysis tasks. It also conveys the requirements that are geared towards satis
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The Federal Highway Administration (FHWA) Development of Crash Modification Factors (DCMF) program was established in 2012 to address highway-safety research needs and evaluate new and innovative safety strategies (improvements) by developing reliable quantitative estimates of their effectiveness in reducing crashes. Forty-one State departments of
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Cooperative driving automation (CDA) aims to improve the safety, traffic throughput, and energy efficiency of the transportation network by allowing vehicles and infrastructure to work together to coordinate movement. The objective of this project is to advance the CARMA ecosystem to enable further capabilities for CDA participants to interact with
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The objective of this Federal Highway Administration (FHWA) project was to determine the safety effectiveness of low- to medium-cost engineering countermeasures in reducing non-motorist (i.e., pedestrian) fatalities and injuries at controlled and uncontrolled intersections. The project started with a survey to identify the use of pedestrian treatme
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The Federal Highway Administration established the Development of Crash Modification Factors (DCMF) program in 2012 to address highway safety research needs for evaluating new and innovative safety strategies (i.e., improvements) by developing reliable quantitative estimates of their effectiveness in reducing crashes. The Evaluation of Low-Cost Saf
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Traffic engineers and researchers calibrate microsimulation models using macroscopic inputs—such as aggregated traffic throughput—instead of microscopic inputs, such as intervehicle spacing and acceleration. This has led to concerns that these models have been capturing the microscopic driver behaviors inaccurately, despite the macroscopic performa
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This TechBrief provides the most recent research product in scour formation and offers an interim support for foundation design of bridges vulnerable to scour caused by tsunamis. This research supplements the product from the Transportation Pooled Fund study TPF5-(307), Validation of Tsunami Design Guidelines for Coastal Bridges, which developed an
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-08-01
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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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Life Cycle Planning (LCP) is “a process to estimate the cost of managing an asset class, or asset sub-group, over its whole life with consideration for minimizing cost while preserving or improving the condition (23 CFR Part 515).” Since LCP is a relatively new process for State DOTs, the Federal Highway Administration (FHWA) developed a handbook o
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United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure
2021-08-01
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PDF
This tech brief gives an overview of potential benefits and challenges of applying subsurface utility engineering (SUE) to highway construction projects, with a focus on SUE in Delaware.
Waste plastic, though largely considered an environmental concern, has the potential to be a valuable resource. Some researchers have proposed mixing waste plastic with asphalt binder to make asphalt for the Nation’s roadways. Use of waste plastics to supplement traditional asphalt binders can reduce resource consumption and become an alternative t
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United States. Department of Transportation. Federal Highway Administration
2021-08-01
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Successes in Stewardship Newsletter
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Successes in Stewardship is a Federal Highway Administration (FHWA) bimonthly newsletter highlighting current best practices in stewardship and environmental review from around the country.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-08-01
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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
2021-08-01
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PDF
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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This report assesses the effects of the Federal Highway Administration's (FHWA's) investment in the Innovative Intersection Design research program and related activities on the availability and quality of such research; awareness and adoption of innovative intersection designs in the United States; and impact of deployed innovative intersection de
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