This book gives detailed description of Highways, Principles, Practice through and theory and design. The book is broadly divided into following sections to cover wide spectrum of topics in single volume. Highway Planning and Administration, Geometric Design of Highways, Highway Project Preparation, Soil Engineering for Highways, Drainage, Pavement Design and Construction, Highway Maintenance, Surface Characteristics, Special Roads, Highway Safety, Economics, Machinery and Plant, Construction Management, Highways and the Environment, Air Transportation.