This document discusses service blueprint and fishbone models for railway services. It begins by defining a service blueprint as a map that accurately portrays the steps involved in providing a service. It then outlines the key components of a service blueprint including customer actions, onstage employee actions, backstage employee actions, and support processes. The document provides examples of how service blueprints can be used in areas like new service development, service recovery, and more. It also describes how to build a service blueprint in 5 steps. Finally, the document includes examples of service blueprints and a fishbone model applied to specific processes within a railway system.