TRB Transit Cooperative Research Program (TCRP) Synthesis 35: Information Technology Update for Transit is an update of TCRP Synthesis 5: Management Information Systems, and documents the transit industry's state of the practice in information and communication technologies against a contemporary background of business practice. It is organized into the basic architectural pieces that constitute an IT plan in order to provide the essential framework for the planning process. Additionally, organizational issues and policies and market trends affecting investment in and deployment of Management Information System (MIS) technology are documented.