This map shows the boundaries of the designated Delaware County, PA 2012 PM2.5 nonattainment area. It includes the boundaries of any associated 2006 and 1997 PM2.5 nonattainment/maintenance areas, as well as any associated MPOs. The map is intended to depict how the boundaries of the 2012, 2006 and 1997 PM2.5 areas and the MPO planning area relate
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This map shows the boundaries of the designated West Silver Valley, ID 2012 PM2.5 nonattainment area. It includes the boundaries of any associated 2006 and 1997 PM2.5 nonattainment/maintenance areas, as well as any associated MPOs. The map is intended to depict how the boundaries of the 2012, 2006 and 1997 PM2.5 areas and the MPO planning area rela
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In 2011, the Prime Minister of Canada and the President of the United States issued the Beyond the Border (BTB) Action Plan which included over 30 initiatives aimed at making the CanadaU.S. border more efficient, safe, and secure. As part of this Action Plan, Canada and the U.S. agreed to pursue a border infrastructure initiative. The first element
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This map shows the boundaries of the designated Los Angeles-South Coast Air Basin, CA 2012 PM2.5 nonattainment area. It includes the boundaries of any associated 2006 and 1997 PM2.5 nonattainment/maintenance areas, as well as any associated MPOs. The map is intended to depict how the boundaries of the 2012, 2006 and 1997 PM2.5 areas and the MPO pla
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This map shows the boundaries of the designated San Joaquin Valley, CA 2012 PM2.5 nonattainment area. It includes the boundaries of any associated 2006 and 1997 PM2.5 nonattainment/maintenance areas, as well as any associated MPOs. The map is intended to depict how the boundaries of the 2012, 2006 and 1997 PM2.5 areas and the MPO planning area rela
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This map shows the boundaries of the designated Imperial County, CA 2012 PM2.5 nonattainment area. It includes the boundaries of any associated 2006 and 1997 PM2.5 nonattainment/maintenance areas, as well as any associated MPOs. The map is intended to depict how the boundaries of the 2012, 2006 and 1997 PM2.5 areas and the MPO planning area relate
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This map shows the boundaries of the designated Plumas County, CA 2012 PM2.5 nonattainment area. It includes the boundaries of any associated 2006 and 1997 PM2.5 nonattainment/maintenance areas, as well as any associated MPOs. The map is intended to depict how the boundaries of the 2012, 2006 and 1997 PM2.5 areas and the MPO planning area relate to
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This report is intended to provide guidance to bridge owners for preparing for and responding to bridge foundation failures. The word “failure” as used herein includes foundation movements and/or corrosion beyond the design norms for the structure that result in the need to close a bridge or portion thereof for any period of time. The movements and
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This document describes the process and status of developing and implementing agreements, contracts and subcontracts among partner organizations in the New York City Connected Vehicle Pilot Deployment (NYC CVPD). Details include the work elements as they relate to several components of the Phase I documentation, including: the concept of operations
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With the passing of the Moving Ahead for Progress in the 21st Century Act (MAP-21), the Federal Highway Administration (FHWA) has proposed that the Highway Performance Monitoring System (HPMS) data set is the data source for the national pavement performance measures. The objectives of this project are to: 1. Collect an unbiased baseline study of a
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Continuously reinforced concrete pavement (CRCP) was introduced in the United States almost 100 years ago when the U.S. Bureau of Public Roads (now the Federal Highway Administration) constructed a CRCP test section on Columbia Pike in Arlington, Virginia. Since then, CRCP has been constructed in many states in the U.S. and in a number of other cou
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High quality data and reliable analytical methods are the foundation of data-driven decision-making. The Reliability of Safety Management Methods series includes five information guides that identify opportunities to employ state-of-the-art (more reliable) methods to support decisions throughout the roadway safety management process. Four of the gu
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This document presents information intended to assist users with effectively incorporating Quality Assurance (QA) into the preparation of Geotechnical Reporting Documents (GRDs), which includes reports and other documents that communicate geotechnical data, analysis and recommendations. This document draws extensively from Department of Transportat
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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.
This document describes the System Requirements Specification (SyRS) for the Tampa Hillsborough Expressway Authority (THEA) Connected Vehicle (CV) Pilot Deployment. This SyRS describes the current system requirements derived from the user needs, Concept of Operations, Security Management Operating Concept, Safety Management Plan, and the Performanc
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This document describes the System Requirements for the Transit Bus Stop Pedestrian Warning (TSPW) application. The requirements describe the system of interest for the implementation team including the required functions and performance along with the method of verification. The term “performance requirements” does not establish or imply a require
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John A. Volpe National Transportation Systems Center (U.S.)
2016-08-01
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This report summarizes the 16 evaluations being conducted by the Volpe National Transportation Systems Center on behalf of FHWA’s Research and Technology Program. The FHWA R&T Program furthers the Turner-Fairbank Highway Research Center’s goal of ensuring transparency, accessibility, and responsiveness of R&T for all stakeholders.The 16 evaluations
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This document is a technical summary of the Federal Highway Administration Long-Term Pavement Performance Program report, Pavement Performance Measures and Forecasting and the Effects of Maintenance and Rehabilitation Strategy on Treatment Effectiveness (FHWA-HRT-16-047). It presents the methodologies and procedures used by the research team in the
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2016-08-01
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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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