Analysis of Factors Affecting a Driver’s Driving Speed Selection in Low Illumination

Table 1

Factor structure and load of the driving ability scale in environments with street lights at night.

Item	Item content	TDA1	RPA1
1	When there are street lights at night, I can control the vehicle smoothly on the road	0.85
2	When there are street lights at night, I can control the vehicle steadily on slippery roads	0.82
4	When there are street lights at night, I can park safely and correctly on the ramp	0.84
8	I have mastered the methods and techniques of emergency steering at night with street lights	0.67
13	When there are street lights at night, I can always safely avoid in case of an emergency	0.82
21	When there are street lights at night, I can drive reasonably by observing the movements of pedestrians and other vehicles	0.73
23	When there are street lights at night, I can overtake safely and reasonably	0.82
12	When there are street lights at night, I can plan or choose routes to avoid getting lost and taking long detours		0.70
14	When there are street lights at night, I can detect potential traffic dangers on the road		0.77
16	When there are street lights at night, I can keep a safe driving distance from the vehicle in front		0.85
17	When there are street lights at night, I can get a good grasp of the surrounding traffic situation when driving the vehicle		0.76
18	When there are street lights at night, I can react quickly in case of an emergency during driving		0.84
20	When there are street lights at night, I can make a quick decision when I encounter a choice during driving		0.83
22	When there are street lights at night, I can notice the dynamic state of the roadside		0.84
24	When there are street lights at night, I can judge the safe speed of the road according to different road conditions		0.81
25	When there are street lights at night, I can pay attention to the dynamics near my vehicle while driving		0.80