Practical applications of decision support systems for environmental impact
assessment of transport infrastructures are described. Silvia interactive
software, one of such systems, covering the four phases (preparatory/orient
ation, land analysis, impact estimation, and decision) of an environmental
impact assessment study, is presented. Two directions for further developme
nt: sensitivity analysis and group decisions are suggested. (C) 1998 Elsevi
er Science Ltd. All rights reserved.