Trains directed by signal indication in either direction on both tracks of busy double-track line; 13 1/2mi. double-track installation of General Railway Signal Co.'s centralized traffic control was placed in service between North Chelmsford, Mass., and Ayer; annual saving $37,847; general layout and traffic; track layout and signaling. (see also Ry. Signaling, vol. 22, no. 7, July 1929, pp. 248-251, 8 figs)
The Boston and Maine installs centralized control to increase track capacity
Ry. Age
Railway Age ; 86 , n 23
1929
3 pages
5 Figs.
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
The Boston and Maine installs centralized control to increase track capacity
Engineering Index Backfile | 1929
|Centralized traffic control on Boston and Maine
Engineering Index Backfile | 1931
|Centralized traffic control on Boston and Maine
Engineering Index Backfile | 1932
Centralized traffic control on Boston and Maine
Engineering Index Backfile | 1932
Centralized traffic control on Boston and Maine
Engineering Index Backfile | 1931
|