Public Interest Transportation Forum - http://www.bettertransport.info/pitf
In the Autumn of 1996, not many people were surfing the Internet. But for those who were, the Regional Express campaign to sell funding for what would become Sound Transit posted a small web site with key points for voters. A copy of that ad was preserved by Public Interest Transportation Forum.
A review of the campaign from Mineta Transportation Institute (pdf).
A transcript and analysis of one of the 1996 Regional Express television advertisements.