Originally Posted by
vmaniqui
on the bart stations here in the bay area (california), bikes are not allowed. although i am one of the guilty person here as i occasionally will use the escalator. but i always make sure that i am the last person going down. going up is a different story as there is no end for people going up so i can't wait for the last person.
I think you mean bikes are not allowed on the escalators. Bikes are definitely OK on the stairs and on the trains (except where specifically prohibited during commute hours).
http://www.bart.gov/guide/bikes/
I am also not sure whether there is a rule against FOLDED bikes on the escalators.