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Acknowledgement of Sponsorship
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This work was sponsored by the American Association of State Highway and Transportation Officials, in cooperation with the Federal Highway Administration, and was conducted by the National Cooperative Highway Research Program, which is administered by the Transportation Research Board of the National Research Council.


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This is an uncorrected draft as submitted by the research agency. The opinions and conclusions expressed or implied in the report are those of the research agency. They are not necessarily those of the Transportation Research Board, the National Research Council, the Federal Highway Administration, the American Association of State Highway and Transportation Officials, or the individual states participating in the National Cooperative Highway Research Program. The practices described herein should not be construed as complete or presenting that necessary for worker or public safety or environmental compliance. Practices herein should be evaluated by the agency before they are employed.


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Environmental stewardship practice at state Departments of Transportation (DOTs) has grown exponentially in recent years. NCHRP 25-25(04) presents a compendium of environmental stewardship practices in construction and maintenance, developed from the literature, state transportation agency manuals and procedures, and the contributions of state DOTs and practitioners. The best practices herein serve as a guide to the development of Environmental Management Systems and environmental strategic plans both on the organizational level and in specific functional areas. Practices can also serve as foundational elements for individual environmental guidance resources that DOTs may develop.


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The research reported herein was performed under NCHRP Project 25-25(04) by Venner Consulting of Littleton Colorado as a subcontract to Parsons Brinkerhoff Quade and Douglas. Hal Kassoff of Parsons Brinkerhoff serves as PB's Principal Investigator for the NCHRP 25-25 series. Marie Venner served as Principal Investigator for this project and authored/edited the report with editing assistance from Lisa Zeimer of Parsons Brinckerhoff. Many state transportation agencies contributed to the collection of these practices for this report and the AASHTO Subcommittees on Construction and Maintenance participated in review of the compendium and addition of further exemplary practices. The author wishes to acknowledge their generosity and invaluable assistance, without which this project would not have been possible.


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Read the Preface »
Table of Contents
Chapter 1: Introduction and Research Approach
Chapter 2: Organizational Environmental Stewardship Practices
Chapter 3: Designing for Environmental Stewardship in Construction & Maintenance
Chapter 4: Construction Practices for Environmental Stewardship
Chapter 5: Pavement, Materials, and Recycling
Chapter 6: Maintenance Facilities Management
Chapter 7: Bridge Maintenance
Chapter 8: Winter Operations and Salt, Sand and Chemical Management
Chapter 9: Roadside Vegetation Management
Chapter 10: Roadside Management and Maintenance: Beyond Vegetation
Chapter 11: Appendix
Lists: Examples | Tables | Figures
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