Investigation timeline: What factors lead to bus routes being added or removed?

If the CTA runs buses and trains on other diagonal streets, why doesn't it do so on Elston? And, how does the agency make these decisions, anyway?

August 23, 2012

Jennifer Brandel and Ken Davis

Curious City is a news-gathering experiment designed to satisfy the public's curiosity. People submit questionsvote for their favorites, and WBEZ reports out the winning questions in real time, on FacebookTwitter and the timeline above.  

This round's winner is Corinne Creswell from Logan Square. Her question is: "Chicago's Elston Avenue doesn't have a bus route. What factors lead to routes being added or removed?" We're on it! Check back here for updates from freelance reporter Ken Davis as this story evolves.