This document discusses defining and measuring benefits for major projects. It provides an overview of different types of benefits (e.g. economic, social, environmental) and evaluation methods (e.g. cost-benefit analysis, cost effectiveness analysis). Stakeholder groups are identified that may experience benefits. The document also notes challenges in benefits measurement, such as a lack of clarity in definitions and insufficient empirical research in academic literature. Future trends are discussed, along with the importance of vision for major projects.