Roadbed edge protection device for highway construction

The utility model relates to the technical field of roadbed edge protection, and provides a roadbed edge protection device for highway construction, which comprises a roadbed slope, a curb is fixedly connected to the top end of the roadbed slope, and a diversion canal and a filtering mechanism are fixedly connected to the outer side wall of the roadbed slope. The filtering mechanism comprises a water through groove, a filtering plate, a limiting sliding groove, a sliding clamping block and a sliding through plate, and the water through groove is formed in the outer side wall of the roadbed slope; through the arrangement of the filtering mechanism, water flowing down from a road can be conveniently collected, garbage flowing down along with rainwater on the road can be isolated and collected together through the filtering mechanism, the garbage is prevented from flowing into a river channel along with the diversion canal to cause environmental pollution, and through the arrangement of the filtering mechanism,