 7000-series trains subsequently entered service on the Red line on June 8, 2015, the Orange Line in July, and the Green and Yellow Lines on August 17, 2015.On March 8, 2018, WMATA accepted delivery of its 500th 7000-series car.On February 26, 2020, WMATA accepted delivery of the final 7000 series railcars (7746-7747) completing the order.