Originally Posted by fredt:
Just curious as to why the first part of the trip was made as part of a UP train? Was that because they were on UP track?
Yes, the St Louis Museum of Transport is on the UP, at Kirkwood, MO (former MOPAC main line as I recall), thus the UP had to switch the NS consist into the museum, pick up the 2156, and then return to the NS terminal in St Louis.