The objectives of this part are to develop a list of performance measures that best describe the operational and safety-related issues for alternative intersection designs; and to develop a comprehensive analytical procedure to evaluate such measures. The tasks in Part I include (i) examination of the critical operational and safety-related issues from field evaluation sites; (ii) development a set of performance measures that indicate the operational and safety benefits and impacts when implementing median intersection designs; and (iii) development of a logical and practical procedure to evaluate the performance of alternative intersection designs.