Grandfather meets grandson on the Green Line as the oldest cars in the Metrorail fleet, built by Rohr Industries, meet the new CAF cars.

A Greenbelt bound Green Line train is illuminated by the glow of the LED headsigns and fluorescent lights

A CAF car sits at Branch Avenue, the southern terminal of the Green Line in southern Prince George's County

A Greenbelt bound Green Line train bathes in the setting summer sun at Prince George's Plaza station.