The Atheist Bus campaign In the UK has raised over £118,718.06 (approximately $182,976.18).
Now, the American Humanist Association is going for a bus campaign of their own with this ad:

That ad will appear on the sides and insides of over 200 Washington D.C. Metro buses beginning next Tuesday. It was already appearing in yesterday’s issues of The New York Times and Washington Post.
“We expect these bus signs to generate a lot of public interest,” said Fred Edwords, director of communications for the American Humanist Association. “Some folks may be offended but that isn’t our purpose. We just want to reach those open to this message, but unaware how widespread their views are.