United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2017-11-01
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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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The Federal Highway Administration (FHWA) supports efforts by State and local governments or other public authorities as they establish, maintain, monitor, and evaluate local congestion pricing programs. FHWA with support from the Battelle Team (Battelle and the Texas A&M Transportation Institute (TTI)) hosted a series of Regional Congestion Pricin
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Emerging datasets such as mobile phone and GPS data have now become a promising data source for many transportation planning applications, including origin-destination (OD) analyses, which serve as the basis for transportation investment and policy decisions. Generated from an entirely different process from the traditional household travel surveys
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This report describes the process of developing, analyzing, and displaying results of a scenario forecasting process using travel demand models. A Travel Time Index (TTI) is the ratio of travel time without congestion (called free flow) and congested travel times, usually during a peak period. With this common measure, planners can compare and cont
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Based on current practices, traffic simulation models are calibrated and validated using macroscopic measures such as 15-minute averages of traffic counts or average point-to-point travel times. For an emerging number of applications, including connected vehicles, the realism of simulated driver dynamics at the second-by-second or subsecond traject
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The Task 6 Prototype Acceptance Test Summary Report summarizes the results of Acceptance Testing carried out at Battelle facilities in accordance with the Task 6 Acceptance Test Plan. The Acceptance Tests were designed to verify that the prototype system operates in accordance with the system requirements documented in the Prototype System Requirem
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This report describes the system architecture and design of the Experimental Prototype System (EPS) for the demonstration of the use of mobile devices in a connected vehicle environment. Specifically, it defines the system structure and behavior, the software components, the interfaces and the data necessary for fulfilling the EPS softwarerequireme
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This Devices to Everything (D2X) Acceptance Test Plan (ATP) and Summary Report provides the plan, test cases, and test procedures that were used to verify Prototype System (version 2.0) system requirements, as well as a summary of results of the testing executed. Version 2.0 of the Prototype System is the subject of the larger-scale Field Test to b
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“Sharing Data between Mobile Devices, Connected Vehicles and Infrastructure” was a U.S. DOT-sponsored research project to study the integration of mobile devices (such as smartphones) into the Connected Vehicle (CV) environment. Objectives included examining the feasibility and benefits of utilizing non-DSRC communication mechanisms for the transmi
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The Task 8 D2X Hub Proof-of-Concept Test Evaluation Report provides results of the experimental data analysis performed in accordance with the experimental plan for the proof-of-concept version of the prototype system. The data set analyzed includes the tests formally conducted at Battelle facilities as well as those conducted at Turner-Fairbank Hi
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United States. Federal Highway Administration. Office of Planning, Environment, and Realty
2017-10-19
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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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Moscow, Idaho is a small city near the University of Idaho with a footprint of under seven square miles and a population of about 25,000. Moscow residents demonstrated support for active transportation projects, and the city built some bikeways and walkways, but until recent years, the city had not been focused on building staff capacity to impleme
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This Concept of Operations (ConOps) is the final installment in a series of three reports focused on identifying opportunities for the application of Intelligent Transportation System (ITS) technology—or equivalent—within the maritime transportation environment ofthe St. Lawrence Seaway and Great Lakes. The ConOps presented in this paper proposes a
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The Federal Highway Administration’s Highway Performance Monitoring System (HPMS) provides information on the extent, condition, performance, use, and operating characteristics of the Nation’s highways. Each year State Transportation Agencies must submit HPMS data to the FHWA. The Sample Panel portion of HPMS provides detailed statistical data on a
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United States. Department of Transportation. Federal Highway Administration
2017-10-13
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The purpose of this guidance is to clarify the HSIP Implementation Plan requirements presented in 23 U.S.C. 148(i). Specifically, this guidance addresses the HSIP Implementation Plan: 1) Schedule and Frequency, 2) Decision Support Framework, and 3) Content and Structure. States will meet the first two requirements of the HSIP Implementation Plan th
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In July 2016, the Oregon Department of Transportation (ODOT) was awarded a Federal Highway Administration (FHWA) grant to analyze how green infrastructure, or nature-based infrastructure, can help protect the Oregon Coast Highway from the impacts of extreme storms and coastal bluff erosion. This study builds upon prior ODOT research on dynamic reve
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United States. Federal Highway Administration. Office of Planning, Environment, and Realty
2017-10-05
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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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Implementation of current understanding, analytical tools, and new test methods must be accelerated if the construction industry is to continue to meet the infrastructure needs of the community at large in an environment of shrinking budgets. A continuing challenge to the concrete paving industry is the ever present need to implement new technologi
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