The TRB National Cooperative Highway Research Program's NCHRP WebResource 1: Reducing Greenhouse Gas Emissions: A Guide for State DOTs is intended to support State DOTs in their efforts to reduce greenhouse gas (GHG) emissions from the transportation sector by identifying and describing tools, methods, and data sources to assess GHG emissions, evaluate GHG reduction opportunities, and develop action plans based on current and desired engagement levels. An associated publication, NCHRP Web-Only Document 3...