Virginian Railway has renewed three interlockings and installed two new interlockings and 14 mi of automatic block signaling in general vicinity of Norfolk, Va; details of installation which includes all-relay control circuits with plug-in relays. (see also Ry Age v 120 n 24 June 15, 1946 p 1176-7)
Virginian installs five interlockings near Norfolk, va
Ry Signaling
Railway Signaling ; 39 , n 6
1946
6 pages
Article (Journal)
English
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