Table 13: Survey form for traffic facility.

IndexSubindexItems contributing to the ratingScore range

Traffic facility ( )Traffic sign ( )The installation meets the standard, good visibility, and reasonable message≤40
Poor visibility and reasonable message and installation≤60
Worse visibility and some unseasonable message and installation≤80
Worst visibility and most unreasonable message and installation≤100
Traffic marking ( )The installation meets the standard and good visibility ≤40
Poor visibility and reasonable installation≤60
Worse visibility and some unseasonable installation≤80
Worst visibility and most unreasonable installation≤100
Guiding facility ( )Spacing setting, number, and layout size satisfy standard≤40
Spacing setting, number, and layout size basically satisfy standard≤60
Most spacing setting and number don not satisfy the standard. Layout size is slightly smaller than the normative value.≤80
Spacing setting and number don not satisfy the standard. Layout size is less than the minimum.≤100
Safety facility ( )Continuous safety barriers or 10 m safety zone≤40
Safety barriers for hard obstacles or steep slopes within 6 m≤60
Safety barriers for more than half of hard obstacles or steep slopes within 3 m≤80
Barriers not generally used≤100