Change from semaphore to color-light signals shows net-annual saving of over for 57 mile section of double track; two-speed continuous train control; power supply and transmission; construction details; cost comparison. (See also Ry. Signaling vol. 22, no. 8, Aug. 1929 pp. 290-294, 8 figs)
Lackawanna modernizes signal system for automatic train control
Ry. Age
Railway Age ; 86 , n 26
1929
3 pages
4 Figs.
Article (Journal)
English
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Engineering Index Backfile | 1945
Lackawanna suburban electrification
Engineering Index Backfile | 1931
|Lackawanna suburban electrification
Engineering Index Backfile | 1931
|Engineering Index Backfile | 1931
Online Contents | 1994