Home / Standards / GB/T 46142-2025 GB/T 46142-2025 Active Smart community infrastructures—Application guidance for QR code in smart transportation 智慧城市基础设施 智慧交通快速响应矩阵码应用指南 Standard Type GBT ICS 35.240.60 CCS A00 Status 现行 Issue Date 2025-08-29 Implementation 2025-08-29 Responsible Dept 国家标准委 Drafting Unit N/A