This document is the final report of the project that initiated the North Atlantic Aquatic Connectivity Collaborative (NAACC), funded by the North Atlantic Landscape Conservation Cooperatuive (LCC). Contents consist of:IntroductionProject Overview and StructureDeveloping a Regional Road-Stream Crossing Assessment ProtocolPrioritizing for Field SurveysDatabase and Data CollectionData Quality and TrainingClassification and Scoring SystemsNAACC Regional NetworkNext StepsQuarterly Progress Report: Summary by TaskReferencesAcknowledgmentsAppendices