The real scope of the project is a mind-boggling $600 million to track the light rail trains inside and outside the tunnels and to control the trains inside the tunnels. Divided by the 250 light rail vehicles (apparently does not include historic streetcars), it works out to $2.6 million per car. Plus $36M for consulting (2023-11-07 board presentation from the documents that I linked earlier
https://www.sfmta.com/sites/default/files/reports-and-docume...).