For a long time, the Arlington studios were the feed for the entire network. I met some RD staffers, including the president of the network, at some DFW events. I still have the business card - I spent several minutes trying to dissuade her not to convert the network to HD. Obviously my voice didn't carry the day. I think they moved because it was easier to get Disney stars in the studio if they were located in Los Angeles. I doubt they still have a local office, advertising is probably handled by an ABC staffer. I don't know what happened to their remote van and local people - probably long gone.