Wikipedia:Articles for deletion/Toronto rapid transit signals
I agree with the above. We have a vast constellation of articles like this in the railway signalling by country/city category structure. It's too detailed to go into main articles and would seem to be a valid content fork. What's more Toronto's mass transit system is of sufficient size and notability. The article reads like a mass of  and that's where I'd start, at least with a maintenance tag or two
— User:Shawn, 23:19, 28 November 2015 (UTC)
Stance: keep
Cited policy: WP:OR (Wikipedia:No original research)