This synthesis will be of interest to maintenance managers, maintenance engineers, and others concerned with the development of quality indicators for maintenance management. Detailed information is presented on the formulation and use of these qualtiy indicators. Indicators of quality are an integral part of any maintenance management system. This report of the Transportation Research Board describes and discusses the use of quality standards to assess the effectiveness of highway maintenance activities. It examines the use of these standards in the context of traditional management techniques and maintenance management systems. The trade-offs between quality and quantity standards are also considered.