Mathematical Problems in Engineering / 2015 / Article / Tab 3

Research Article

Research on Model Development for Freeway Safety Facilities

Table 3

Standards of overall subjective scores for a survey panel.

ScoresRating standards

90~100The 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.

80~89The 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.

70~79The 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.

<70The 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.

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