Movable guardrail for separation zone opening of highway

The utility model relates to a movable guardrail for a separation zone opening of a highway. The movable guardrail comprises a first end component, a first guardrail component, at least two second guiderail components, a third guardrail component and a second end component which are detachably connected in sequence; the first end component is fixed at one end of the separation zone opening of the highway, the second end component is fixed at the other end of the separation zone opening of the highway. On the premise of ensuring of orientation function, convenience in opening, simpleness in operation, attractiveness in modeling and the like, a certain level of anti-collision can be met, and vehicles out of control can be effectively prevented from penetrating and crossing the movable guardrail; the movable guardrail can be adjusted in length by increasing the number of the second guardrail components, and multi-section assembling can be realized; the movable guardrail is simple in machining, convenient to transport, standardized in component production and more convenient to maintain and overhaul, damaged components can be replaced by single sections, and steel strands can be used repeatedly.