According to the compy officials, the December numbers were a game-changer for UP, and they helped to boost yearly results to a much better level than it was expected in November. Even though it wasn’t stated directly in the article if you read between the lines, you can see that the company officials are linking these good results in December to the changes within the company that were made in accordance with the announced Unified Plan 2020. By that logic, we are in for more shifts this year.
https://www.freightwaves.com/news/railroad/union-pacific-operating-ratio