This report describes the development of a regional Intelligent Transportation Systems (ITS) Architecture for the five-county urban area under the auspices of the Kentuckiana Regional Planning and Development Agency (KIPDA). The architecture development process included the following steps: (1) Preliminary Architecture Work; (2) Inventory of Existing and Planned Projects; (3) Assessment of Regional Needs; (4) Development of Preliminary Architecture; (5) Review and Revision of Architecture; and (6) Delivery of Final Architecture and Documentation. Principal tools used in the development included the National ITS Architecture (version 4.0) and the Turbo Architecture software (version 2.0). Deliverables included the architecture database (created using the Turbo software), a set of 61 customized market package diagrams (representing 36 market packages), and several reports generated by the Turbo software.

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Preparation of this report has been financed through the Federal Highway Administration, the Federal Transit Administration, the Kentucky Transportation Cabinet, and the Kentuckiana Regional Planning and Development Agency. This financial assistance notwithstanding, the contents of this report do not necessarily reflect the official views or policies of the funding agencies. Accuracy of the information presented herein is the responsibility of the authors and the Kentucky Transportation Center. This report does not constitute a standard, specification, or regulation. The inclusion of manufacturer names and trade names is for identification purposes and is not to be considered an endorsement.