The advances of modern communication technologies have changed the way the roadway information is collected. Innovative surveillance systems powered by various communication technologies have been installed to support various transportation operations. The abundance of available communication technologies and multiple available communication system configurations presents overwhelming challenges for traffic engineers in selecting proper communication technologies for users of various traffic operation and ITS applications. The objective of this research is to propose an effective approach to characterize available communication technology choices, and analyze how they can be applied to various traffic operations. Of particular interest is the development of a guidebook to facilitate the decision-making in choosing appropriate communication technology given the operational requirements and decision objectives. Because of the fast-paced developments in communication technologies, a web-based Knowledge Management System that enables on-line learning of applications vs. communication technology choices, as well as continual updates of the technology choice set, has been developed to ensure the continual usability of this research product.