Norman J. Ashford is Professor Emeritus at Loughborough University of Technology in the UK. He has taught at Georgia Institute of Technology and Florida State University in the United States. He was editor of numerous professional journals and has published over 130 articles in various professional and research publications. The author of four multi-edition books, he currently serves as the ... Read moreManaging Director of his own aviation consulting company, which has worked on over 100 airports in over forty-three countries. Saleh A. Mumayiz is an international consultant in airport planning and development for more than twenty-five years, serving with leading corporations in this field. He served in academic research and continuing education roles in leading U.S. universities. As an active participant in professional (ASCE) and research (TRB) organizations for more than twenty years, he served as chair and member of various TRB and ASCE committees, authoring papers and organizing conferences, workshops, and seminars. Paul H. Wright is Professor Emeritus at Georgia Institute of Technology. He has been active in continuing education programs and has served as a consultant to transportation agencies in the United States and Central America. The author of numerous papers, he is coauthor of three other books: Highway Engineering, Transportation Engineering: Planning and Design, and Introduction to Engineering. Show Less