On the morning of August 16, 2012, Union Pacific GE AC4460CW (a 4,400 h.p. locomotive that was to be converted to 6,000 h.p., but this never happened) No. 7042 passes new trackwork being installed on a capacity expansion project from milepost 331.58 to 334.79 between Missouri Valley and Blair, Iowa, on UP’s Blair Subdivision.
