Link? Because, well, your city is certainly special! Unless, like, you group things like 'pension liabilities', and 'insurance involving personnel' under 'labor', which is... creative but not accurate.
https://www.civicfed.org/civic-federation/blog/cta%E2%80%99s...
Paying the bus drivers does not account for 70% of the budget, I assure you.
I've dealt with self-reporting systems in this area, and I do not have the words to tell you how much less I trust self-reporting than an 8 hour test-drive by someone that knows the bus.
This skips over all the local police's missing person reports that show up for every driver that can help. Completely unrelated to the job of driving - but when it's my kid that doesn't come home, arguably more important to me.
Drivers are sticking around, and I think a lot of people are confused about how much they do to keep things running