If you are driving a vehicle 60 feet long at 45 mph, how much following distance is required?

7 seconds.. Section 2.7: Formula: 1 second per 10 feet (60ft = 6 seconds). Speed is over 40 mph, so add 1 second. Total = 7 seconds.

If you are driving a vehicle 60 feet long at 45 mph, how much following distance is required?

ANSWER BREAKDOWN
  • A. Incorrect. 5 seconds is too short. The correct following distance is 7 seconds. Formula: 1 second per 10 feet (60ft = 6 seconds). Speed is over 40 mph, so add 1 second. Total = 7 seconds.
  • B. Incorrect. 6 seconds is too short. The correct following distance is 7 seconds. Formula: 1 second per 10 feet (60ft = 6 seconds). Speed is over 40 mph, so add 1 second. Total = 7 seconds.
  • C. Correct. Formula: 1 second per 10 feet (60ft = 6 seconds). Speed is over 40 mph, so add 1 second. Total = 7 seconds.
  • D. Incorrect. 8 seconds is more than necessary. The correct following distance is 7 seconds. Formula: 1 second per 10 feet (60ft = 6 seconds). Speed is over 40 mph, so add 1 second. Total = 7 seconds.