I think unions served a purpose in the past, and hopefully still do now, but honestly once you look at the overtime pay it's painful.
http://www.mercurynews.com/salaries/bay-area/2012
p.s. Some dude took a stab at liberating the data further, but it could use some work. http://public.tableausoftware.com/views/BARTsalaries/BARTsal...