UP C45AH #2522 along with UP SD70M #4991 hustles UP train KSEMN-31 over the trestle at Fountain, IL running on Track #1 of the UP (ex-MoPac) Chester Sub in the late afternoon of April 4, 2015.
In the last light of the Day a New UP #2522 ES44AC leads KSEMN-31 through the big curve west of Illmo, MO with a short train as the DPU can be seen in the background.