This budget leaves out the 99 additional trains, which will cost $218 million[http://www.bart.gov/news/articles/2012/news20120510], plus unknown costs for a more advanced operational control system[https://www.bart.gov/guide/faq#frequent_trains]. | This budget leaves out the 99 additional trains, which will cost $218 million[http://www.bart.gov/news/articles/2012/news20120510], plus unknown costs for a more advanced operational control system[https://www.bart.gov/guide/faq#frequent_trains]. |