UIC Leaflet 651: Standards for Onboard Passenger Information Systems

Introduction to UIC Leaflet 651

UIC Leaflet No: 651 is an international standard from the International Union of Railways (UIC) that specifies requirements for onboard passenger information systems. It ensures that audio and visual announcements are clear, consistent, and interoperable across different railway networks.

Scope and Purpose

The leaflet covers the design, installation, and operational standards for passenger information systems, including screens, audio devices, and integration with train control systems. Its purpose is to enhance passenger experience, ensure safety, and maintain system interoperability.

Key Components

• Audio Announcements: Guidelines for clear voice announcements, volume levels, and multilingual support.
• Visual Displays: Standards for onboard screens, including layout, update frequency, and readability.
• System Integration: Ensures synchronization with train control systems, ETCS, and station information.
• Maintenance and Testing: Procedures to verify system functionality, reliability, and compliance with UIC standards.

Comparison Table

Implementation and Benefits

UIC Leaflet 651 is implemented by railway operators to standardize passenger information systems onboard trains. This ensures accurate, timely information, improves passenger comfort, and enhances safety by providing reliable updates during normal operations and disruptions.

Snippet Bait

UIC Leaflet 651 defines standards for onboard passenger information systems, including audio announcements and visual displays, ensuring safety, clarity, and real-time updates on trains.