This is an uncorrected draft as submitted by the research team for NCHRP Project 20-44(57): Implementing Scenario Planning Across Transportation Agencies. This material is based upon work supported by the FHWA under Agreement No. 693JJ32350025. Any opinions, findings, and conclusions or recommendations expressed or implied in this document are those of the researchers who performed the research and are not necessarily those of the Transportation Research Board; the National Academies of Sciences, Engineering, and Medicine; the FHWA; or the program sponsors.