Exploring the Effects of Signs’ Design and In-Vehicle Audio Warning on Driver Behavior at Flashing-Light-Controlled Grade Crossings: A Driving Simulator-Based Study

Table 4

Mean driving performance within different categories of factors.

Effect	Classification	BRT (s)	Decelerate (m/s/s)	RCT (s)
Foggy condition	Clear	2.17 ± 2.48	2.09 ± 1.49	4.67 ± 20.49
	Fog	2.69 ± 2.53	2.25 ± 1.35	5.28 ± 29.02
Gender	Male	2.33 ± 2.40	2.18 ± 1.43	5.81 ± 27.39
	Female	2.57 ± 2.72	2.17 ± 1.42	3.64 ± 17.67
Vocation	P	2.41 ± 2.54	2.27 ± 1.45	4.73 ± 21.57
	NP	2.47 ± 2.60	2.09 ± 1.39	5.21 ± 27.90
Crossing type	Baseline	3.50 ± 1.80	2.62 ± 1.69	4.88 ± 22.63
	PSM	3.32 ± 1.82	2.37 ± 1.80	4.74 ± 26.29
	PSM + W	1.29 ± 1.01	1.69 ± 0.53	6.16 ± 26.05
FLTT (s)	2	0.97 ± 0.68	2.33 ± 1.10	3.70 ± 22.42
	3	1.87 ± 1.95	2.51 ± 2.05	4.99 ± 18.75
	4	2.48 ± 2.30	2.40 ± 1.92	7.35 ± 18.09
	5	2.70 ± 2.55	1.99 ± 1.00	10.09 ± 31.98
	6	3.10 ± 2.48	1.82 ± 0.71	9.22 ± 8.17
Total		2.44 ± 2.57	2.17 ± 1.42	4.96 ± 24.65