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Suggested Citation:"Chapter 2 Project Approach." National Academies of Sciences, Engineering, and Medicine. 2022. Methods for State DOTs to Reduce Greenhouse Gas Emissions from the Transportation Sector. Washington, DC: The National Academies Press. doi: 10.17226/26523.
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Suggested Citation:"Chapter 2 Project Approach." National Academies of Sciences, Engineering, and Medicine. 2022. Methods for State DOTs to Reduce Greenhouse Gas Emissions from the Transportation Sector. Washington, DC: The National Academies Press. doi: 10.17226/26523.
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5 C H A P T E R 2 Project Approach The objectives of NCHRP Project 25-56 were to develop a guide to assist State DOTs in reducing transportation GHG emissions and including GHG considerations in decision-making, and to pilot test this guide by working with a select number of DOTs and their local partners. The guide is designed to aid DOTs by breaking down technical and institutional issues across the spectrum of an agency’s activities for independent use by individual functional areas in benchmarking their activities and contributing to an integrated agency effort. The guide is published as NCHRP WebResource 1: Reducing Greenhouse Gas Emissions: A Guide for State DOTs. The project was scoped with eight tasks divided into three phases. At the conclusion of the first and second phase, an interim report was delivered to the Project Panel proposing a detailed timeline and workplan for the next phase. The tasks and their objectives are shown in Table 2-1. Table 2-1. Description of tasks. Task Objectives 1. Review of Practice Perform a review of GHG strategies considered for implementation by State DOTs, and tools and methods that State DOTs at various levels of engagement have used, or have available, to evaluate these strategies. 2. Assessment of Needs, Opportunities and Barriers Conduct a more in-depth assessment, through structured conversations with State DOT staff on the extent to which GHG strategies and impacts are considered in planning, programming, and project development; methods for evaluating GHG impacts; and opportunities and barriers for introducing greater consideration of GHG reducing strategies. Summarize findings from the Task 1 and 2 reviews and resulting recommendations and a high-level outline for the guide with tools. 3. Annotated Guide Outline and Phase 2 Outreach Plan Expand the guide outline into a first draft guide and to develop an outreach plan to guide further development and refinement of the guide in Phase 2. 4. Initial Outreach Conduct outreach to obtain feedback on the guide tool and to help structure and shape the guide’s contents to be most useful to practitioners at differing levels of engagement. 5. Additional Tool Development Develop tools to help DOTs assess GHG planning capabilities, identify appropriate existing tools, methods, and resources to plan for GHG reduction, and/or evaluate GHG reduction strategies. 6. Complete Draft Guide Develop a complete draft of the guide that reflects feedback from the Task 4 outreach and includes or references the additional Task 5 tools. 7. Testing/ Implementation Further refine and demonstrate the applicability of the guide by working with three to five State DOTs to pilot its implementation. 8. Final Documents and Outreach Finalize the guide and tools, develop a report documenting the overall study effort, and conduct outreach to disseminate findings. The initial planned duration of the project was 30 months, beginning in May 2018 and concluding in October 2020. For the most part, the project stayed on or close to schedule, with delays of 1 to 2 months in

6 some interim deliverables and additional time required for some Project Panel reviews. However, towards the conclusion of the project the schedule was disrupted by the COVID-19 pandemic, which began in March 2020. This initially required some agencies participating in Task 7 to turn their focus elsewhere, and also required rescheduling the workshops in “virtual” format. This resulted in delaying the draft final deliverables by about 3 months, and also extending the contract to cover a workshop for one State that needed to postpone its technical assistance involvement.

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Many technical and institutional issues related to estimating and reducing greenhouse gas emissions (GHGs) lie across a wide spectrum of the activities undertaken by state departments of transportation (DOTs).

The TRB National Cooperative Highway Research Program's NCHRP Web-Only Document 308: Methods for State DOTs to Reduce Greenhouse Gas Emissions from the Transportation Sector documents the research effort for an NCHRP project that focused on developing a guide for state DOTs on reducing GHG emissions. The result of this effort, NCHRP WebResource 1:Reducing Greenhouse Gas Emissions: A Guide for State DOTs, presents tools, methods, and data sources for state DOTs to use in reducing GHG emissions from the transportation sector.

Supplemental to the Web-Only Document is a presentation summarizing the research.

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