this blog posting "Philadelphia Bicycle News: Schuylkill River Trail Map"

has a link to a good detailed google map of the trail, side trails, train stations etc

Accompanying article
http://www.nydailynews.com/news/2008/02/17/2008-02-17_frisky_rides_for_blacks_and_latinos-2.html

Blacks and Hispanics make up 49% of subway riders, yet account for nearly 90% of the citizens stopped and questioned in the subways in the last two years.

The easiest way to keep track of what's happening on your block, in your neighborhood and all over your city - like restaurant inspections in North Beach, crimes in the Loop or everything around 475 Kent Ave.