A #TTC report last year found that installing platform edge doors at all subway stations would save $16M per year from reducing delays, & $92M in the social cost of injuries & deaths. Doors for Bloor-Yonge were announced in 2023 but no funding was allocated. Why not? Paris, Hong Kong, Singapore, Copenhagen & Seoul have all successfully retrofitted their subway systems with platform edge doors!
https://www.cbc.ca/news/canada/toronto/ontario-line-platform-edge-subway-doors-9.7047047

Protective doors are finally coming to Toronto subway platforms — but only to a new line under construction | CBC News
Once completed, the Ontario Line will have barriers separating platforms from tracks. But costs and technical challenges make it difficult to add similar safety measures to existing subway stations, according to the TTC board's chair.

