Safety operation monitoring system for construction area

The utility model relates to the technical field of expressway safety operation, and particularly provides a construction area safety operation monitoring system, which comprises a safety signboard Beidou positioning terminal, a video speed measurement and early warning all-in-one machine and a safety cone barrel Beidou positioning terminal, the safety signboard Beidou positioning terminal is arranged on an operation lane and is placed in a vehicle coming direction; the plurality of safety cone barrel Beidou positioning terminals are arranged in an operation lane and are stacked around a construction area to form an enclosed area; the video speed measurement and early warning all-in-one machine is used for monitoring and early warning that coming vehicles on an operation lane do not decelerate during road occupation construction; the safety signboard Beidou positioning terminal, the video speed measurement and early warning all-in-one machine and the safety cone barrel Beidou positioning terminal form a const