 The original interiors had a white grained appearance with 82 orange and brown seats.These cars had the standing capacity of 175 passengers, the same amount as their successors, until the arrival of the 7000-series cars, which increased the standing capacity.Around August 2008, Metrorail tested new overhead handles of different styles on 1122, 1123, 1126, 1127, as well as some 3000-series cars to gauge public opinion.