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After meeting train 346, train 345 is headed south again. Engines 819 and 805 pull train 345 under Interstate 29 and into Modale. Disk 78
The C&NW installed 117 miles of upper quadrant signals between Missouri Valley and Sioux City in 1914. In 1946, it modified the signaling on 75 miles of the Missouri Valley and Sioux City line. It removed 24 signals and relocated 28 to improve block spacing and standardize aspects at night.