The volume and speed of information exchange among the stakeholders rose with the increase of transport and cargo volume in seaports. Several ways of communication between stakeholders exist, such as electronic exchange systems, shipping web portals and eCommerce. Electronic Transportation Management Systems (e-TMS) tackle the issue of non-uniform format standards and the means of messages exchange which can be solved by the adoption of Mediation Service Software and Electronic Transaction Platforms. With this adoption, the difference between efficient and inefficient traffic management systems becomes clearly visible. Inefficient systems do not possess the possibility to optimize business processes. The development of e-TMS also aims to solve economic and ecological issues. It allows centralized monitoring of business processes, optimization of transport chain management, and gathering data in a way that enables improved decision making.