Table 4.
Sub-strata comparison of other factors.
| Significant Factors of Fatalities or Injuries | Sub-Strata Comparison (Mean Value, 95% Confidence Level) |
Interpretation |
|---|---|---|
| Zones of fatalities | 4 > others | Zone 4 > Other zones |
| Zones of injuries | 4, 5 > 1, 3 | Zone 4, 5 > Zone 1, 3 |
| Time interval of fatalities | 2, 5 < others 3, 4 > others |
Rushing hours < Other time intervals Working hours > Other time intervals |
| Time interval of injuries | 2, 5 < others 1, 6 > others |
Rushing hours < Other time intervals Night to dawn > Other time intervals |
| Seasons of fatalities | 4 > 1, 2 | Winter > Spring and Summer |
| Road type of fatalities | 1, 5 > 3 11 > 8, 12 |
Highway and third-class highway > first-class highway and road in community > branch urban road and other road |
| Road line style of fatalities | 1, 9 < others | the straight and sharp curve steep slope is the lowest |
| Road section type of fatalities | 6, 7 > 1, 2, 4 | Internal section and elevated section > ordinary section, plane intersection, and access |
| Pavement material of fatalities | 3, 4, 5 > 1, 2 | sand, soil, and other pavement > asphalt concrete and cement concrete pavement |
| Pavement condition of fatalities | 3, 4 > 2 > 1 | Convex–concave condition and other conditions > under construction condition > good condition |
| Roadside protection type of fatalities | 3 > others | Concrete guardrail is the highest |
| Topography of fatalities | 2 > 1, 3 | Hill > plain and mountain |
| Lighting condition of fatalities | 1, 3 > 2 | Daytime and no street lighting at night > Street lighting at night |