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. Signaling vol. 21, no. 10, Oct. 1928 pp. 361-362, 3 figs)
Gates replaced by flashing signals
Ry. Age
Railway Age ; 85 , n 9
1928
2 pages
3 Figs.
Aufsatz (Zeitschrift)
Englisch
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Gates replaced by flashing signals
Engineering Index Backfile | 1928
|Signals: Flashing green for productivity
Online Contents | 2011
Mode of Flashing for Malfunctioning Traffic Signals
British Library Online Contents | 2011
|Mode of Flashing for Malfunctioning Traffic Signals
Online Contents | 2011
|Flashing-light crossing signals save $3,000 annually
Engineering Index Backfile | 1932