Based on the characteristics of construction materials management of expressway projects, this paper analyzes the operation processes of the construction materials combined with operation management contents of all participants. Then it builds the index system of evaluation matrix, construction materials operation processes-participant. It establishes the AHP model of performance evaluation, and evaluation the performance from the three dimensions of operation phase, participants, and projects. Through the empirical study on LY expressway of Hunan Province, this paper drew up the performance e...