Cross-ditch protective fence

The invention belongs to the technical field of highway protective fence equipment, and particularly relates to a cross-ditch protective fence. Comprising a guardrail body spanning a ditch from one side of an obstacle to the road surface side, a plurality of cantilever supports and connecting supports. The connecting support comprises a connecting part and a first stand column connected with the connecting part, the connecting part is connected with the guardrail body located on one side of the barrier body, and the first stand column is installed on one side of the barrier body; the cantilever support comprises a cantilever support and a second stand column connected with the cantilever support, and the second stand column is installed on one side of the obstacle body and connected with the guardrail body spanning over a ditch or on the side of the road surface through the cantilever support. The cantilever support is additionally arranged, so that the guardrail crossing the ditch section is still supported,