The NIHR Clinical Trial Routemap is an interactive colour-coded tool to help navigate through the legal and good practice arrangements surrounding setting up and managing a Clinical Trial of an Investigational Medicinal Product (CTIMP). The routemap distinguishes between legal and good practice requirements, and indicates which aspects of these are relevant to wider clinical research in general. It includes an overview of trial practices, along with more detailed information available at ‘stations’ along the route.