IEEE 1474.2-2025
Based Train Control (CBTC) Systems
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About This Item
1474.2-2025 is a technical standard for Communication, Networking and Broadcast Technologies, Computing and Processing, Transportation, Robotics and Control Systems, and Signal Processing and Analysis, centered on Based Train Control (CBTC) Systems. It is relevant to the design and coordination of train control functions that depend on reliable data exchange, control logic, and operational consistency. For rail projects and system integrators, this standard can help define expectations for CBTC-related engineering, testing, and implementation work.
About 1474.2-2025
This standard focuses on the technical environment of Based Train Control (CBTC) Systems, where communications, processing, and control functions must work together in a predictable way. 1474.2-2025 is intended to support consistent specification and evaluation of CBTC-related capabilities, especially where system behavior depends on networking, signal handling, and coordinated control. For organizations developing, procuring, or verifying such systems, it offers a reference point for aligning technical requirements and reducing ambiguity across project stages.
Where is 1474.2-2025 used?
1474.2-2025 is typically used in rail transit environments that deploy CBTC for train supervision, movement authorization, and control coordination. It may be applied by engineering teams working on onboard equipment, wayside systems, communication links, and control-center interfaces. The standard is also relevant during integration and acceptance activities where train control performance, message handling, and system interoperability need to be checked against a defined technical basis. In practice, it supports projects involving modern metro and light-rail control architectures.
Importance in practice
In practice, 1474.2-2025 matters because CBTC systems depend on dependable communication and control behavior to support safe and efficient rail operation. Using a clear standard can improve design control, procurement clarity, and test consistency across different suppliers or subsystems. It may also help reduce integration risk by giving project teams a common reference for performance expectations and verification steps. For active rail programs, that kind of alignment is important when reliability, safety, and operational continuity are closely linked.
- CBTC system requirements and coordination
- Communication and data handling considerations
- Onboard, wayside, and control-center interfaces
- Testing, verification, and acceptance support
- Rail transit integration and operational consistency
- Publication Date: 2025
- Standard Status: Active
- Publisher: IEEE
- Subject: Communication, Networking and Broadcast Technologies; Computing and Processing; Transportation; Robotics and Control Systems; Signal Processing and Analysis
- Official IEEE: Doi link
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