Circular No. 44/2025/TT-BXD issues national technical regulations on railways, including traffic signals, operation, transportation means, diesel locomotives, and carriages. This document shall take effect from January 1, 2026.
Scope of application
Organizations and individuals operating in the railway sector
Key points
- Railway enterprises → must comply with national technical regulations on railway traffic signals (Article 1.1)
- Railway operators → must follow national technical regulations on railway operation (Article 1.2)
- Enterprises producing and importing railway transportation means → must comply with national technical regulations on periodic inspection, modification, and importation of used equipment (Article 1.3)
- Manufacturers of diesel locomotives and self-propelled special-purpose vehicles → must comply with national technical regulations on production inspection and new imports (Article 1.4)
- Manufacturers of carriages and non-self-propelled special-purpose vehicles → must comply with national technical regulations on production inspection and new imports (Article 1.5)
🌐 Social impact of this document
- Strengthening quality management of railway traffic signals, operations, and transportation means
- Reducing railway traffic accidents due to non-compliance with technical standards
- Affected entities: production and import units for railway equipment must adjust their production processes to align with the new standards
❓ Frequently asked questions
What is the number of the national technical regulation on railway traffic signals?
QCVN 21:2025/BXD (Article 1.1)
When does this circular come into effect?
January 1, 2026 (Article 2)
Full text
| MINISTRY OF CONSTRUCTION | SOCIALIST REPUBLIC OF VIET NAM Independence - Freedom - Happiness |
| Number: 44/2025/TT-BXD | Hanoi, December 9, 2025 |
CIRCULAR
Issuing National Technical Regulations on Railways
On the basis of Law on Railways No. 95/2025/QH15;
On the basis of Law on Product Quality No. 05/2007/QH12 amended and supplemented by Law No. 35/2018/QH14 and Law No. 78/2025/QH15;
On the basis of Law on Standards and Technical Regulations No. 68/2006/QH11 amended and supplemented by Law No. 35/2018/QH14 and Law No. 70/2025/QH15;
Decree No. Decision No. 127/2007/NĐ-CP dated August 1, 2007 of the Government detailing the implementation of certain provisions of the Law on Standards and Technical Regulations, amended and supplemented by Decree No. 78/2018/NĐ-CP dated May 15, 2018 of the Government; Pursuant to the proposal of the Director of the Vietnam Railway Administration and the Director of the Vietnam Transport Certification Agency;
Decree No. Decree No. 33/2025/NĐ-CP dated February 25, 2025 of the Government stipulating the functions, tasks, authorities, and organizational structure of the Ministry of Construction;
The Minister of Construction issues this Circular on National Technical Regulations on Railways.
Attached to this Circular are:
Article 1. 1. National Technical Regulation on Railway Traffic Signals, number QCVN 21:2025/BXD.
2. National Technical Regulation on Railway Operation, number QCVN 22:2025/BXD.
3. National Technical Regulation on Railway Rolling Stock for Periodic Inspection, Modification, Importation of Used Equipment, number QCVN 23:2025/BXD;
4. National Technical Regulation on Diesel Locomotives and Self-Propelled Special Purpose Vehicles for Production Assembly and New Imports, number QCVN 24:2025/BXD.
5. National Technical Regulation on Non-Self-Propelled Special Purpose Vehicles for Production Assembly and New Imports, number QCVN 25:2025/BXD.
6. National Technical Regulation on Locomotive and Carriage Turning Devices, number QCVN 26:2025/BXD.
7. National Technical Regulation on Coupling and Buffer Devices of Locomotives and Carriages, number QCVN 27:2025/BXD.
8. National Technical Regulation on Brake Valves of Locomotives and Carriages, number QCVN 28:2025/BXD.
a) Circular No. 24/2015/TT-BGTVT dated June 16, 2015 of the Minister of Transport issuing National Technical Regulations on Railway Rolling Stock - Car Turning Devices - Technical Requirements;
Article 2. Effectiveness
Clause 1. This Circular takes effect from January 1, 2026.
2. The following Circulars shall cease to be effective from the date this Circular comes into force:
b) Circular No. 32/2018/TT-BGTVT dated May 15, 2018 of the Minister of Transport issuing two National Technical Regulations on Railways;
c) Circular No. 04/2023/TT-BGTVT dated April 17, 2023 of the Minister of Transport issuing three National Technical Regulations on Railway Components and Equipment;
d) Circular No. 30/2023/TT-BGTVT dated November 3, 2023 of the Minister of Transport issuing three National Technical Regulations on Railway Rolling Stock.
- Ministries, Agencies at the Ministerial Level, and Government Agencies;
| Place of Receipt: - Government Office; - Ministry of Science and Technology (for registration); - Ministry of Construction's Online Portal; - People's Committees of provinces and centrally governed cities; - Department of Legal Affairs and Administrative Violation Handling (Ministry of Justice); - Official Gazette; - Units under the Ministry of Finance; - Construction Newspaper, Construction Magazine; - File: VT, Vietnam Railway Administration (02). - File: VT, Vietnam Railway Corporation (02). |
DEPUTY MINISTER DEPUTY MINISTER (signature) Nguyen Danh Huy |
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