The passage of that Rule forced Taggart Transcontinental's one remaining competitor along the Rio Norte Line, the Phoenix-Durango Railroad, to cease operations within nine months. Dagny encouraged the owner of the PDRR to fight the Rule, but he would not, and even suggested that he was going to retire. | The passage of that Rule forced Taggart Transcontinental's one remaining competitor along the Rio Norte Line, the Phoenix-Durango Railroad, to cease operations within nine months. Dagny encouraged the owner of the PDRR to fight the Rule, but he would not, and even suggested that he was going to retire. |