What is required if a trailer or motor vehicle is transporting logs, pulpwood, poles, or posts that extend more than four feet beyond the rear?

• A red flag on the back of the load
• One amber strobe-type lamp visible from the rear and both sides of the projecting load
  Explanation:

  "If the trailer or motor vehicle is transporting logs, pulpwood, poles, or posts that extend more than four feet beyond the rear of the load, you must have one amber strobe-type lamp equipped so that the lamp is visible from the rear and both sides of the projecting load."
• Two red reflectors on the rear of the load
• A yellow caution sign on the sides of the load