Number of automobile accidents reduced, with decided saving in operating costs, on Indianapolis Union Railway; flashing-light crossing signals for protection of street traffic at 17 crossings; signals are in operation 24 hours per day; require total of 44 men, as compared with 64 men formerly required; results in saving of $15,984 per year in wages. (see also Ry. Age, vol. 85, no. 9, Sept. 1, 1928, pp. 426-427, 3 figs)
Gates replaced by flashing signals
Ry. Signaling
Railway Signaling ; 21 , n 10 ; p 361-362
1928
2 pages
3 Figs.
Article (Journal)
English
© Metadata Copyright Elsevier B. V. All rights reserved.
Gates replaced by flashing signals
Engineering Index Backfile | 1928
|Crossing gates replaced by flashing-light signals
Engineering Index Backfile | 1933
Short-arm gates added to flashing-light crossing signals
Engineering Index Backfile | 1938
Short-arm gates added to flashing-light crossing signals
Engineering Index Backfile | 1938
Signals: Flashing green for productivity
Online Contents | 2011