The Joint 16th International Workshop on Advanced Smart Materials and Smart Structures Technology (ANCRiSST2025) and 4th ZHITU Symposium on Advances in Civil Engineering (ZHITU2025) is organized by The Hong Kong Polytechnic University. The objectives of the joint event are to assess the current progress of smart materials and structures technologies and to develop synergies among researchers in various disciplines from different countries that will facilitate joint research projects that are of such scope and magnitude that cannot be easily carried out by individuals.