Reid's Las Vegas train didn't get express reference in the 1000 page final version either, but he can use an $8 billion allocation to high speed rail and hope to persuade the DOT to help fund it:

http://www.latimes.com/news/nationworld/nation/la-na-stimulus-rail14-2009feb14,0,2367517.story

"However, the bill does provide $8 billion for unspecified high-speed and intercity passenger rail projects, more than three times as much as allocated in earlier versions of the legislation."