Abstract
This report summarizes the activity and accomplishments under the FHWA contract entitled "Systems Analysis and Design Guidelines for Highway Advisory Radio." It includes a summary of the seven principal tasks which were: Analytical and empirical analysis of HAR system components; HAR system installation, operations and maintenance; HAR visual signing and messages; Technical advice; HAR system design guidelines; Recent HAR developments; and User's guide. Also included are references to the documents produced under the contract, a discussion of major findings, and suggestions for additional research.