The movement of superheavy loads (SHLs) has become more common over the years since it is a vital necessity for many important industries, such as chemical, oil, electrical, and defense. SHL hauling units are much larger in size and weight compared to standard trucks. SHL vehicles’ gross vehicle weights may be in excess of a few million pounds, so
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The overall purpose of this evaluation was to understand the effect of the Federal Highway Administration’s (FHWA’s) Research and Technology Program activities on the implementation of agent-based approaches to transportation-related projects and activities. Agent-based modeling and simulation (ABMS) uses individual “agents,” typically drivers and
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Foundations of existing highways and over-river bridges may have significant functional value. Hence, reuse of foundations of existing bridges during reconstruction or major rehabilitation can result in significant savings in costs and time. This report on bridge foundation reuse addresses critical issues encountered during decision-making on found
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Municipalities and transportation departments devote considerable effort to collecting data—particularly in relation to road conditions. Many small municipalities do not have sufficient resources to collect data regularly. In larger municipalities, on the other hand, collecting field-based data may have negative impacts in terms of crew safety and
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The Tampa Hillsborough Expressway Authority (THEA) Connected Vehicle (CV) Pilot Deployment Program is intended to develop a suite of applications that utilize vehicle-to-infrastructure (V2I) and vehicle-to-vehicle (V2V) communication technology to reduce traffic congestion, improve safety, and decrease emissions. These CV applications support a fle
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United States. Federal Highway Administration. Center for Accelerating Innovation
2018-11-01
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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.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2018-11-01
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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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This document is a technical summary of the Federal Highway Administration reports "Automation in Highway Construction: Final Report—Volume I, Implementation Challenges at State Transportation Departments and Success Stories" (HRT-16-030) and "Automation in Highway Construction: Final Report—Volume II, A Design Guidance and Guide Specification Manu
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The Federal Highway Administration's Long-Term Pavement Performance (LTPP) program issues a triannual newsletter to inform you about the progress and activities of the program. Brief updates on progress in important program activities are provided, including data collection, data releases, new products and publications, pooled fund studies, and dat
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As part of the U.S. Department of Transportation (DOT) Roadway Transportation Data Business Plan (DBP) project, the Federal Highway Administration (FHWA) Office of Operations developed a guide for State DOT and local agency staff charged with mobility data-related responsibilities to follow in the creation, development, and implementation of a DBP
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United States. Federal Highway Administration. Office of Planning, Environment, and Realty
2018-11-01
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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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This report summarizes the findings of a peer exchange that brought together transportation agencies to discuss challenges, best practices, and lessons learned related to advancing organizational capabilities for transportation systems management and operations (TSMO). The peer exchange was held in Arlington, Virginia on February 7 and 8, 2018. Par
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This report presents a summary of the 2018 Traffic Incident Management Capability Maturity Self-Assessments (TIM CM SA) completed by transportation personnel from 98 locations across the country between June and August, 2018. There are 55 scored questions in the TIM CM SA that are grouped into three sections: Strategic, Tactical, and Support. The i
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This report synthesizes the current state of practice in the shear load rating of concrete bridges. A brief overview of the historical approaches, encompassing the methods from the first to the latest AASHTO Specifications, to shear demand and resistance is presented. The overview includes load combinations, live load distribution, and shear streng
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Integrated corridor management (ICM) is an approach designed to actively monitor for atypical recurring and nonrecurring events that impact traffic on the most visibly congested highways or freeways that define a corridor. Because of near constant congestion, even minor events on an anchor facility can have a huge impact. ICM requires the instituti
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2018-11-01
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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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John A. Volpe National Transportation Systems Center (U.S.)
2018-11-01
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The purpose of this peer exchange was to bring together practitioners of Geographic Information System (GIS) applications to discuss and learn about the implementation of data governance and data integration activities and policies at State Departments of Transportation (DOTs). There was a specific emphasis placed on explaining and aiding the effor
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With the explosion of the number of studies using big, passively-generated data for transportation analysis, this study focuses on understanding the properties of such data and how these properties affect our ability in deriving trip-related characteristics. Two big, passively solicited datasets were analyzed: a mobile phone data generated primaril
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