Table 8: Statistical analysis of risky lane changing behaviors via different traffic parameters.

Type of risky lane changingLane changing directly (%)Lane changing pressingly (%)Lane changing selectively (%)

Volume of traffic flow (pcu/h/lane)<10019.7147.1833.11
100–25027.3142.3430.35
250–40030.2937.9231.79
400–55025.7834.5539.67
550–65021.3831.4147.21

Speed of traffic flow (km/h)<520.3451.4128.25
5–1026.5246.1327.35
10–1529.3938.4332.18
15–2025.2133.6341.16
20–2522.7827.8349.39