It's one of the really nice things about the Chicago Loop system - lines running to the city's inner core don't intersect at single points of failure in this wa

It's one of the really nice things about the Chicago Loop system - lines running to the city's inner core don't intersect at single points of failure in this way. I wish that Boston's RGBOSi system did this. it would make life so much easier getting from one line to another.