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Question
When driving at high speeds, always allow enough room to safely stop in emergencies by staying at least:
Answers
A.  One second behind the vehicle in front of you.
B.  Four seconds behind the vehicle in front of you.
C.  Two seconds behind the vehicle in front of you.
D.  Ten seconds behind the vehicle in front of you.
Explanation
If you are driving at a speed of 30 mph or slower, a following time of two or three seconds may be enough to stop safely in the case of an emergency. However, at higher speeds, it is best to maintain a four-second following time.
Answer Statistics
10.96 % of our users get this question wrong.
This question's difficulty is Medium

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