“…Left weakly more important than top 5 Left moderately more important than top 7 Left strongly more important than top 9 Left absolutely more important than top 2,4,6,8 Between the above-mentioned two adjacent judgments L1, L2, L3, L4 and L5 is supposed to represent five criteria layers in Fig.4 respectively, namely the basic behavior of vehicles, the basic driving behavior, the basic traffic behavior, number of manual intervention and intervention extent, and completion time of task. According to the definition of importance, the mutual importance relationships among these five criteria layers can be gained.…”