> France’s unions are powerful, but Mr. Probst said they did not control project staffing. Isabelle Brochard of RATP, a state-owned company that operates the Paris Metro and is coordinating the Line 14 project, estimated there were 200 total workers on the job, each earning $60 per hour. The Second Avenue subway project employed about 700 workers, many making double that (although that included health insurance).
It seems like transit bureaucracies in the US don't have the expertise to manage massive construction projects and little incentive to control costs.
I was unable to browse the link because the site is overloaded, but I'm familiar with Alon Levy and his blog. Hopefully the data makes a difference but bureaucrats often to respond that their situation is unique and not comparable to other countries.