Soo line interlocking includes switches at yard entrance and main line junction at Glenwood, Minn, and crossing with Northern Pacific; traffic consists of 8 passenger and 7 freight trains daily; Rail-Tel propane switch heaters, remotely controlled, are used because of deep snow.
Remote controls eliminate train stops
Ry Signaling Communications
Railway Signaling and Communications ; 48 , n 4
1955
2 pages
Article (Journal)
English
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