Abstract
The contents of this report will be of particular interest to the designer of illumination systems for streets; and highways. It is also a valuable handbook for the economist and highway administrator who must decide what highway illumination systems to install on new and existing facilities. Tables present the median cost and range of costs for the various hardware components, their installation, and their operation. The report provides the necessary information to make valid evaluations of alternate types of illumination systems based on engineering and economic considerations.