IEEE 1474.1-1999
IEEE Standard for Communication Based Train Control Performance Requirements and Functional Requirements
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About This Item
IEEE 1474.1-1999 is a transportation standard that sets communication-based train control performance requirements and functional requirements for rail systems. It provides a technical framework for defining how train control functions should operate, with attention to performance expectations and system behavior. For organizations working with CBTC-related equipment or specifications, IEEE 1474.1-1999 helps support clearer design targets, more consistent procurement language, and more structured verification of train control capabilities.
About IEEE 1474.1-1999
IEEE 1474.1-1999 focuses on the requirements for communication based train control, covering both performance and functional aspects of the system. As a standards document, it is useful for describing how train control functions are expected to behave in a transportation environment where reliable communications are central to operation. The standard can support engineering teams, integrators, and reviewers when aligning system requirements, comparing proposals, or checking whether a solution matches defined train control objectives.
Where is IEEE 1474.1-1999 used?
This standard is most relevant in rail transportation projects that use communication-based train control architectures, especially where onboard equipment, wayside systems, and control communications must work together. It may be used during system specification, design review, integration, and acceptance activities for train control installations. IEEE 1474.1-1999 is also helpful when documenting functional requirements for signaling-related equipment and related control workflows in transit environments that depend on coordinated train operations.
Importance in practice
In practice, IEEE 1474.1-1999 matters because it helps teams define expected train control behavior with greater consistency. That can improve compliance reviews, reduce ambiguity in technical procurement, and support testing against agreed performance criteria. For communication-based train control systems, having a clear requirements basis can lower integration risk and make it easier to verify that functions are implemented as intended. As a superseded standard, it may also be referenced for legacy systems or historical project documentation.
- Communication-based train control requirements
- Performance and functional scope
- Rail and transit system applications
- Design, integration, and verification support
- Legacy reference for superseded projects
- Publication Date: 1999
- Standard Status: Superseded
- Publisher: IEEE
- Subject: Transportation
- Official IEEE: Doi link
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