Medial strip opening guardrail

The invention relates to the technical field of highway traffic safety protection, and discloses a medial strip opening guardrail. The medial strip opening guardrail comprises at least two fixed guardrail units, a plurality of movable guardrail units and a plurality of walking supporting units. The at least two fixed guardrail units are arranged at intervals in the longitudinal direction of a road, the multiple movable guardrail units are arranged between every two adjacent fixed guardrail units, every two adjacent movable guardrail units are detachably connected, and the movable guardrail units and the fixed guardrail units are detachably connected. Each movable guardrail unit comprises at least one guardrail plate and a plurality of first butt joint structures, one end of each first butt joint structure is connected with the guardrail plate, the other end of each first butt joint structure is used for being fixed to the road surface, the walking supporting units are connected to the first butt joint structu