Coded-type centralized traffic-control installation at Waltham, Mass, extended 12 mi west to include control of two layouts formerly requiring mechanical interlockings; old automatics replaced on 53.2 mi of line. (See also Ry Signaling v 28 n 9 Sept 1935 p 477-81)
New signaling on Boston and Maine
Ry Age
Railway Age ; 99 , n 13 ; p 388-389
1935
2 pages
Aufsatz (Zeitschrift)
Englisch
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New signaling on Boston and Maine
Engineering Index Backfile | 1935
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Engineering Index Backfile | 1933
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Engineering Index Backfile | 1936