Table of Contents

 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