Evaluating Highway Traffic Safety: An Integrated Approach

Table 1

Fundamental scale for pairwise comparison.

Weight of Importance	Definition	Explanation
1	Equally important	Two activities contribute equally to the objective
3	Moderately more important	An activity is moderately favored over another
5	Strongly more important	An activity is strongly favored over another
7	Very strongly more important	An activity is very strongly favored over another
9	Extremely more important	An activity is extremely more favored than another
2, 4, 6, 8	Intermediate values between two adjacent judgments	Intermediate values are used as needed