Overtaking Safety Evaluation and Setting of Auxiliary Lane on Two-Lane Highway in China

Table 1

Experimental data.

Number	Traffic volume	Overtaking speed	Overtaken speed	Design speed	Overtaking time	Overtaking conflict time	Risk membership
	(veh/h/ln)	(km/h)	(km/h)	(km/h)	(s)	(s)
1	520	63.8	53.6	80	4	3	0.75
2	361	54.8	49.9	80	6	4	0.65
3	429	69.4	57.6	80	3	5	0.55
4	831	52.2	40.2	60	3	1	0.95
5	465	45.9	40.3	60	6	2	0.90
6	484	54.0	45.0	60	4	3	0.80
7	321	27.1	23.0	40	6	5	0.50
8	210	35.8	30.2	40	7	10	0.05
9	292	30.0	22.5	30	5	7	0.35
10	217	36.5	30.4	30	7	10	0.10