Traffic Flow Modeling of Freeway Variable Speed Limit Control Based on the Big Data of Driving Behavior

Figure 1

Speed headway of the vehicles on the left lane (headway greater than 5 s): (a) uncontrolled state, (b) 120 km/h, (c) 100 km/h, and (d) 80 km/h.

(a)

(b)

(c)

(d)