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

 12 tips / reasons to travel long distances on trains in the US

New Jersey Transit to Roll Out Double-Decker Cars This Year
By TINA KELLEY
Published: October 12, 2006
NEWARK, Oct. 11 — New Jersey Transit plans to begin rolling out double-decker trains — without the dreaded middle seat of its current cars — in December, easing the commute for some of its 72,000 customers who travel to New York City on a typical weekday, the agency announced Wednesday.
In the next three years, the transit agency said, 234 new cars will supplement the 908 single-level cars currently operating...