2018 new specification wave beam guardrail drawings, including: structural design drawings of connectors, structural design drawings of guardrail boards, structural design drawings of columns, structural design drawings of anti blocking blocks, etc. Many new specifications of corrugated beam guardrail drawings have been updated, including a full set of corrugated beam guardrail drawings, Grade A, Grade B, Grade C, ground anchored end, bridge, open culvert, which are applicable to roadside small bridges, passages, and open culvert sections