DB64/T 1977.12-2024 Transportation Enterprise Safety Operations Evaluation Specification Part 12: Highway Maintenance Engineering Enterprises

DB64/T 1977.1-2024 Evaluation specification for safety operation of transportation enterprises Part 1: Road passenger transportation enterprises DB64/T 1977.2-2024 The Safety Evaluation Standards for Transport Enterprises Part 2: Road Dangerous Goods Transport Enterprises DB64/T 1977.3-2024 Evaluation specifications for the safety operation of transportation enterprises Part 3: Road general cargo transportation enterprises DB64/T 1977.4-2024 Transportation Enterprise Safety Operations Evaluation Specification Part 4: Road Freight Transport Terminal Enterprise DB64/T 1977.5-2024 Transportation Enterprise Safety Operations Evaluation Specification Part 5: Motor Vehicle Maintenance Enterprise DB64/T 1977.6-2024 Transportation Enterprise Safety Operations Evaluation Specification Part 6: Bus Transportation Enterprise (Bus Station Enterprise) DB64/T 1977.7-2024 Transportation Enterprise Safety Operations Evaluation Specification Part 7: Waterway Passenger Transportation Enterprise DB64/T 1977.8-2024 Transportation Enterprise Safety Operations Evaluation Specification Part 8: General Cargo Waterway Transportation Enterprise DB64/T 1977.9-2024 Evaluation Standard for Safety Operation of Transport Enterprises Part 9: Urban Bus and Tram Carrier Enterprise DB64/T 1977.10-2024 Transportation Enterprise Safety Operations Evaluation Specification Part 10: Taxi Enterprise DB64/T 1977.11-2024 Evaluation Standards for Safe Operation of Transportation Enterprises Part 11: Highway Engineering Construction Enterprises (Projects) DB64/T 1977.13-2024 Safety Operating Evaluation Standards for Transport Enterprises - Part 13: Operation of Toll Road (Bridge, Tunnel) Enterprises