The inspiration for writing about transit began when I made a point to notice this sign as I descended the stairs at the Tasker-Morris stop on the Broad Street Line last week: Exact fare only. The cashier has no change.

I'm not sure about you, but I always mean to blog more than I actually do. Sometimes I draft posts, make mental notes, scribble things in my rhodia notebook, etc.p The actual conversion rate of idea to blog post can be very low. Perhaps this is a familiar …