This document provides an overview of transport terminals and modal interchanges. It discusses the history of notable interchanges from the 20th century, challenges of integrating different transport systems, and examples of successful interchanges. It also examines studies and initiatives from the UK and international organizations that are working to improve interchange design. The bulk of the document consists of a taxonomy of different types of rail, airport, bus, and ferry terminals around the world, analyzing their layouts, operations, and interfaces between modes of transportation. Common standards, requirements, and trends for 21st century interchanges are also addressed.