New facilities in Baltimore and Ohio yard at Connellsville, Pa; revised track layout permits trains to enter or leave yard while cars are being humped; interlocking reduces train delays; retarders expedite classification and reduce operating expenses.
Yard operations improved
Ry Signaling Communications
Railway Signaling and Communications ; 48 , n 8
1955
5 pages
Article (Journal)
English
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Wiley | 2018
|Communications streamline yard operations
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