Research on Model Development for Freeway Safety Facilities

Table 3

Standards of overall subjective scores for a survey panel.

Scores	Rating standards
90~100	The level of safety facility maintenance of this segment is very high and the road users are completely satisfied with the safety facilities. The facilities just need routine maintenance.
80~89	The level of safety facility maintenance of this segment is high and the road users are satisfied with the safety facilities. The facilities need routine maintenances or minor repairs.
70~79	The level of safety facility maintenance of this segment is average and the road users are not very satisfied with the safety facilities. The facilities need minor repairs or middle-scale repairs.
<70	The level of safety facility maintenance of this segment is lower and the road users are not satisfied with the safety facilities. The facilities need middle-scale repairs or special repairs.