I could not find dataset with payroll hours reported and overtime reimbursed for each MTA employee. I wanted to investigate how well MTA is managing its workfo

I could not find dataset with payroll hours reported and overtime reimbursed for each MTA employee. I wanted to investigate how well MTA is managing its workforce and compensation (as to require additional tax in form of Congestion Pricing to fix its budget hole), but there seems to be no dataset for that. Does anyone have links to MTA payroll/hours/overtime related dataset? or alternatively, I need dataset to study each and every subway improvement project, and components of each project in materials, labor and etc