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Work Zone Performance Measures Pilot Test

Author: U.s. Department of Transportation
Publisher: Createspace Independent Publishing Platform
ISBN: 9781723489242
Category :
Languages : en
Pages : 130

Book Description
Work zone performance measures pilot test /

Work Zone Performance Measures Pilot Test

Author: United States Department of Transportation
Publisher: CreateSpace
ISBN: 9781508651260
Category : Transportation
Languages : en
Pages : 130

Book Description
Currently, a well-defined and validated set of metrics to use in monitoring work zone performance do not exist. This pilot test was conducted to assist state DOTs in identifying what work zone performance measures can and should be targeted, what data they will need to collect to compute those measures, and what methods exist to obtain that data. Work zone activity and traffic data from five work zone projects were gathered and analyzed. Multiple data sources and collection methods were examined and utilized to the extent available at each project. These sources were field crew personnel manually documenting queue presence, length, and duration; traffic surveillance data from a transportation management center or from portable work zone ITS; and third-party probe vehicle data (in this test, large truck speed data obtained via the FHWA Office of Freight Management). The results of the pilot test indicate that manual documentation of queuing by field personnel, and the use of permanent or portable traffic sensor data can be used effectively to measure work zone impacts, given that information as to the time and location of work activities is known. Probe vehicle data is also believed to be a viable source of data, but sample size issues did limit is applicability in this pilot test. Average and maximum queue lengths and duration, duration of queues exceeding pre-determined thresholds, vehicle exposure to queues, and vehicle delays when queues are present were among the several performance measures tested and demonstrated as viable indicators of work zone mobility impacts. A number of lessons learned through this pilot test effort are also included in the report.

Incentives and Test-Based Accountability in Education

Author: National Research Council
Publisher: National Academies Press
ISBN: 0309225078
Category : Education
Languages : en
Pages : 111

Book Description
In recent years there have been increasing efforts to use accountability systems based on large-scale tests of students as a mechanism for improving student achievement. The federal No Child Left Behind Act (NCLB) is a prominent example of such an effort, but it is only the continuation of a steady trend toward greater test-based accountability in education that has been going on for decades. Over time, such accountability systems included ever-stronger incentives to motivate school administrators, teachers, and students to perform better. Incentives and Test-Based Accountability in Education reviews and synthesizes relevant research from economics, psychology, education, and related fields about how incentives work in educational accountability systems. The book helps identify circumstances in which test-based incentives may have a positive or a negative impact on student learning and offers recommendations for how to improve current test-based accountability policies. The most important directions for further research are also highlighted. For the first time, research and theory on incentives from the fields of economics, psychology, and educational measurement have all been pulled together and synthesized. Incentives and Test-Based Accountability in Education will inform people about the motivation of educators and students and inform policy discussions about NCLB and state accountability systems. Education researchers, K-12 school administrators and teachers, as well as graduate students studying education policy and educational measurement will use this book to learn more about the motivation of educators and students. Education policy makers at all levels of government will rely on this book to inform policy discussions about NCLB and state accountability systems.

Work Zone Operations Best Practices Guidebook

Author: U.s. Department of Transportation
Publisher: CreateSpace
ISBN: 9781508569206
Category : Transportation
Languages : en
Pages : 294

Book Description
This Work Zone Best Practices Guidebook provides an easily accessible compilation of work zone operations practices used and recommended by various States and localities around the country. The Guidebook is a reference document that can be updated with new approaches, technologies, and practices for effectively managing work zones and reducing the impacts of work zones on mobility and safety as they are identified. The best practices are descriptive, not prescriptive. They describe approaches that have been successfully used by transportation agencies, along with contact information to find out more from the agency using the practice. Each organization must determine which of these practices are best suited for its particular situation, considering all the site-specific factors that affect work zone operations.

Work Zone Performance Measures Pilot Test

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