Home / Standards / GB/T 45645.1-2025 GB/T 45645.1-2025 Active Technical guidelines for in-depth investigation of road traffic accidents—Part 1: General principles 道路交通事故深度调查技术指南 第1部分:总则 Standard Type GBT ICS 03.220 CCS R 80 Status 现行 Issue Date 2025-05-30 Implementation 2025-12-01 Responsible Dept 公安部 Drafting Unit N/A