Curious City is a news-gathering experiment designed to satisfy the public’s curiosity. People submit questions, vote for their favorites, and WBEZ reports out the winning questions in real time, on Facebook, Twitter 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.