This book deals with the electronic procurement of transportation services. It provides an overview of the fundamentals for the procurement of transportation services, including the relevant objectives, involved parties, and processes. A focus is set on Electronic Transportation Marketplaces (ETMs) which offer main functionalities for the procurement of transportation services on the spot and contract market as well as additional functionalities to improve further processes (e.g., time-slot management). Even though such marketplaces are important from an economic and ecological perspective,...