If you are driving a 50-foot truck at 35 mph, the following distance is:

5 seconds.. Section 2.7: 1 second per 10 feet. 50ft = 5 seconds. Speed is < 40 mph, so no extra time needed.

If you are driving a 50-foot truck at 35 mph, the following distance is:

ANSWER BREAKDOWN
  • A. Correct. 1 second per 10 feet. 50ft = 5 seconds. Speed is < 40 mph, so no extra time needed.
  • B. Incorrect. 6 seconds is more than necessary. The correct following distance is 5 seconds. 1 second per 10 feet. 50ft = 5 seconds. Speed is < 40 mph, so no extra time needed.
  • C. Incorrect. 4 seconds is too short. The correct following distance is 5 seconds. 1 second per 10 feet. 50ft = 5 seconds. Speed is < 40 mph, so no extra time needed.
  • D. Incorrect. 3 seconds is too short. The correct following distance is 5 seconds. 1 second per 10 feet. 50ft = 5 seconds. Speed is < 40 mph, so no extra time needed.