**1. Introduction**

The mobility handicapped refers to people who have temporary or continuous movement restrictions or inconveniences when using public transportation facilities due to behavioral inadequacies, and as of 2017 in Korea, the transportation vulnerable population is expected to reach 28.9% of the total population and an annual growth rate of 2% over the next 5 years. Accordingly, the improvement in convenience in the use of public transportation facilities such as railway stations for the mobility handicapped is becoming an urgent problem. Among the mobility handicapped, especially the visually impaired have many inconveniences in using public transportation such as railways due to their physical characteristics. In addition, it is difficult for the visually impaired to safely escape through various types of emergency evacuation information and escape systems in case of emergency situations such as fires in railway stations, so it has potential safety problems for them. Among the mobility



*Usability evaluation results for each the mobility handicapped [1].*
