Chicago transport chatbot under development
https://www.railwaygazette.com/technology-data-and-business/chicago-transport-chatbot-under-development/65551.article
Subway system in Chicago is not so complicated. So, I guess chatbot is not necessary as people expect.
But, what Chicago transport should do is cleaning train stations. Some stations are so dirty that rodents are walking. It may keep people away from using subway.
