Observations of performance of typical signal installations indicate in striking way serious delay to traffic movement that results from makeshift signaling; authors develop series of traffic flow curves that illustrate exactly what happens at crossing, under variable conditions, after Go indication flashes.
Signals should move traffic not stop it
Elec. Ry. Jl
Electric Railway Journal ; 73 , n 14
1929
6 pages
5 Figs.
Article (Journal)
English
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Make traffic signals move traffic -- Not stop it
Engineering Index Backfile | 1953
|Stop signals for street traffic control
Engineering Index Backfile | 1939
|