The application of the multi?class fuzzy comprehensive judgement to the comparative choices of the highway design schemes

Abstract：The multi?class fuzzy comprehensive judgement mathematical model has been applied to the comprehensive choices of the highway design schemes so so to avoid some disadvandages of the choice schemes used in the past.The result has showed that the schemes presented in the paper are more scientifical and reasonable in the comparative choice of the highway lines.

Keyword：highways;line designs;fuzzy judgement comparative choices;