1 Scope
2 References
3 Definitions
3.1 Terms defined elsewhere
3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Conventions
6 Design principles
7 Validation
principles
8 Directions
9 Audio
instructions
9.1 Components of an audio instruction
9.2 Audio instructions – Classification
10 Specific features, landmarks and objects
10.1 Entrances and exits
10.2 Pathways
10.3 Decision points
10.4 Tactile walking surface indicators
10.5 Escalators
10.6 Stairs
10.7 Lifts
10.8 Ticket control gates and barriers
10.9 Platforms
11 Railway stations
12 Mobile app features
Appendix I – Examples of an audio instruction
Bibliography