« Previously on the Red Line More from the Red Line » Dormont Junction Show/hide captions Mt. Lebanon Show/hide captions Poplar Show/hide captions Arlington Show/hide captions Castle Shannon Show/hide captions Overbrook Junction / Willow Show/hide captions « Previously on the Red Line More from the Red Line » Transfer to: The Blue Line The Free Zone Use the links below to explore the Pittsburgh region’s light-rail system.