Analysis of Driver Decisions at the Onset of Yellow at Signalized Intersections

Table 5

Descriptions for selected variables.

Variables	Description	Values
Dependent variables
Drivers’ decisions	Stop	0 = stop
	Go	1 = go
Independent variables
Gender	Male	0 = male
	Female	1 = female
Age	Young group (18–25 years)
	Middle-aged group (30–45 years)	0 = young and middle-aged groups
	Old group (50–60 years)	1 = old group
2^nd_drive	Driver’s second “drive” experiment	0 = others
		1 = the second “drive” experiment
3^rd_drive	Driver’s third “drive” experiment	0 = others
		1 = the third “drive” experiment
Time_Baseline	Expected time to stop line without phone calls	Continuous
Time_Income	Expected time to stop line with incoming phone calls	Continuous
Time_Outgo	Expected time to stop line with outgoing phone calls	Continuous
DrR_Index	Driving reliability index	Continuous
Ddr_Index	Dangerous driving index	Continuous