1. 🛑 Prevents Early Truck Departure
- Red light = “Stay Put” for the truck driver.
- Prevents the driver from pulling away while a forklift is still inside the trailer.
- This is one of the leading causes of dock fatalities — it protects the dock workers loading the trailer.
2. ✅ Clear Communication Without Words
- A green light inside tells the forklift operator: “Safe to load.”
- A red light outside tells