The International Crosstie and Fastening System Symposium is held on the campus of the University of Illinois at Urbana-Champaign (UIUC) in Champaign-Urbana, Illinois, USA. This three day conference consists of presentations, discussions, and a technical tour that focuses on the state of the art in timber, concrete, steel, and composite crosstie and fastening system design, performance, research, modeling, and inspection.