Diagram shows that there are a variety of linkage opportunities between Regional Transportation Planning and Investment Decisionmaking, which requires coordination among decisionmakers, and Regional System Management and Operations, which requires coordination among day-to-day operations managers. Linkage opportunities exist in the areas of the transportation planning process, data sharing, performance measures, the congestion management process, funding and resource sharing, institutional arrangements, regional ITS architecture, regional management and operations projects and, finally, the regional concept for transportation operations.