Comment It's not to delete the track structure diagrams, but only the station layouts (that specify the exits, concourse plus the platforms). On the other hand, if you want, yall can consider maintaining the System degree in place of such as the other ranges, and set it beneath 'System format' https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ved=2ahUKEwi5oLPmzMH1AhWFTN8KHSRtBysQjBB6BAgQEAE&url=https%3A%2F%2Fwww.talknewyorkcity.com%2Flistings&usg=AOvVaw3k6drOiSiHzbRNnxbn4ZhI