Bike Messenger Safety Bike messenger workers provide fast delivery service for documents and packages, usually in big city environments. Cars, trucks, trolleys, trains, buses, and pedestrians are just some of the hazards that face bike messengers. The need for fast, efficient service in dense urban areas requires bike messengers to keep their eyes on safety while they are cycling the streets. ALWAYS wear your bike helmet; it can protect you from head injuries in the case of an accident. The helmet should fit snugly and sit flat on top of your head, not tilted backward. Buckle the chin strap securely and ensure...