The book will offer a representative sample of the best papers presented at the Transport Science and Technology Congress (TRANSTEC) Athens 2004. It will also serve as the peer reviewed conference proceedings. As in the congress writing, in this book our aim is to demonstrate the most recent developments in merging scientific and technological discoveries to solve important transportation problems and to cover a wide variety of transportation issues in passenger and freight transportation but also a variety of modes. A parallel aim is to have papers that are representative of the research and...