This book will cover every structural system used in high-voltage transmission lines and their associated foundations, hardware used to support conductors, fabrication and assembly and more. In most developing countries, the term ?transmission structures? usually means lattice towers. That term actually includes a vast range of structural systems and configurations of various materials such as wood, steel and concrete. This work aims to discuss those structures and fill existing knowledge gaps, forming a companion volume to the volume on Line and System Modeling.The book is aimed at students, practicing engineers, researchers and academics. It will contain beneficial information to those involved in the design and maintenance of transmission line structures and foundations. For those in academia, it will be an adequate text-book / design guide for graduate-level courses centering on the topic. Engineers and managers at utilities and electrical corporations should find the book a useful reference work.