A signal issue shuts down an entire TTC subway line

 https://toronto.ctvnews.ca/what-sort-of-signal-issue-shuts-down-an-entire-subway-line-major-rush-hour-delays-on-ttc-for-second-time-this-week-1.7141270

Eventually, all such urban train networks will become fully automated. 

https://www.cbc.ca/news/canada/toronto/ttc-subway-signal-problem-1.7407212

The loss of various jobs for people over the next few decades could be rough for people. 

https://toronto.citynews.ca/2024/12/11/ttc-subway-signal-issue-line-1/

A totally AI run machine world could eventually produce a very efficient, but inhumane world. 

https://nowtoronto.com/news/ttc-riders-faced-multiple-delays-during-monday-morning-rush-hour/

https://www.renewcanada.net/ttc-issues-rfp-for-55-new-line-2-subway-trains-and-automatic-train-control/