September 8, 2019 - CTA Blue Line train 105 heads downhill as it approaches the Damen Station, bound for Forest Park, after passing a O'Hare bound train in Chicago, Illinois.

CTA Blue Line train 105 heads downhill…

September 8, 2019 – CTA Blue Line train 105 heads downhill as it approaches the Damen Station, bound for Forest Park, after passing a O’Hare bound train in Chicago, Illinois.