Initial research shows that the page gets about 4% of clicks from the homepage over 30 days, and not a large portion of the overall site traffic.
The clicks through to further destinations are mostly, 5% and 4% are to the Pennsylvania Convention Center and 30th Street Station.
Overall we haven't found too many other examples of public transit publication sites like this one. (If the site is based on others let us know.) But there is SFTravel http://www.sftravel.com/beyond-san-francisco http://www.sftravel.com/article/how-get-around-san-francisco-transportation-basics