System for early-warning curve barrier

The utility model provides a bend roadblock early-warning system which consists of two major parts: a road side facility and a vehicle-bone facility; the road side facility comprises a road side traffic event detection device, a road side information processing unit, a road side special short-distance communication unit and a variable information board; the road side traffic event detection device is arranged in a bend; the variable information board and the road side special short-distance communication unit are respectively arranged at the upstream of the event detection device in the bend; the vehicle-bone facility comprises a GPS positioning module, a special short-distance communication module, a vehicle-bone information processing unit and a vehicle-bone display screen; and the special short-distance communication module and the road side short-distance communication unit are connected with each other in a way of wireless communication. The bend roadblock early-warning system is based on the information interaction of the vehicle-bone facility and the road side facility, provides a roadblock information prompting and early-warning of the road section with bad visual distance such as bend, and the like for the driver, and has the advantages of widening the visual field of the driver, reducing the collision accidents such as rear collision, and the like.