Dock Communication Lighting (Red-Green Lights) Ask An Expert Request a Quote Request Service Or give us a call: 1-888-606-9415 Loading Dock Communication Lights, also known as red-green lights, help reduce the incidence of major accidents due to trucks pulling away from a dock before loading and unloading is complete. The communication lighting is designed to communicate with both the truck driver and forklift drivers. The red-green lighting system is an effective and easy-to-understand way of letting truck and forklift drivers know when cargo has been off-loaded and when the truck can depart safely. Dock Communication Lights are a vital part of a safe warehouse facility, helping to prevent major accidents that cost lives and money.