Answer:
correct option is d. Motorized vehicles; signs, signals and markings; non-motorized users; roadway features
Explanation:
solution
when we drive safe on road perception time is very important
Perception time depends on visibility on road and driver physical condition and weather condition and road situation
so driver search and identify objects and conditions by
so correct option is d. Motorized vehicles; signs, signals and markings; non-motorized users; roadway features