IEEE 1474.1-2025
Based Train Control (CBTC) Performance and Functional Requirements
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About This Item
1474.1-2025 is a technical standard for Based Train Control (CBTC) Performance and Functional Requirements, setting out expectations for how CBTC systems should behave in operation. It is relevant to communication, networking, transportation, robotics and control, and signal processing applications where dependable train movement control is essential. By defining clear requirements for system performance and functions, 1474.1-2025 helps support safer, more consistent railway automation and interoperability planning.
What is 1474.1-2025?
1474.1-2025 is a requirements-focused standard centered on CBTC, a train control approach that uses continuous communication between trains and trackside or wayside systems. Its purpose is to define the performance and functional expectations for that control environment, helping engineers and integrators align system design, validation, and operation. For product and project teams, the standard provides a reference point for evaluating whether a CBTC implementation is meeting the intended technical behavior and control objectives.
Where is 1474.1-2025 used?
This standard is typically used in rail transit projects that rely on communication-based train control, including automated metro and urban rail systems. It is relevant to onboard control equipment, wayside communication infrastructure, signaling interfaces, and associated monitoring or supervision systems. 1474.1-2025 may also inform procurement and testing activities where performance thresholds and functional behavior need to be checked against a common specification. In practice, it supports teams working across train control, networked communications, and operational safety functions.
Why is 1474.1-2025 important?
1474.1-2025 matters because CBTC systems depend on predictable performance and clearly defined functions to operate reliably. A shared standard can reduce ambiguity during design, integration, acceptance testing, and maintenance planning. It also helps organizations compare solutions more consistently when selecting equipment or assessing compliance. For railway operators and suppliers, the document can lower implementation risk by providing a structured basis for control behavior, communication expectations, and functional verification.
- CBTC performance expectations
- Functional behavior requirements
- Train-to-system communication context
- Testing and compliance reference
- Rail transit control integration
- Publication Date: 2025
- Standard Status: Active
- Publisher: IEEE
- Subject: Communication, Networking and Broadcast Technologies; Transportation; Robotics and Control Systems; Signal Processing and Analysis
- Official IEEE: Doi link
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