First month's operation of traffic signals of new design proves very satisfactory; rerouting and elimination of left-hand turns accomplished more than year ago was first step in accelerating loop traffic; two steps together have resulted in 50 to 80 per cent increased speed of movements.
Co-ordinated lights and rerouting speed up Chicago's loop traffic
Elec. Ry. Jl
Electric Railway Journal ; 67 , n 13
1926
5 pages
6 Figs.
Aufsatz (Zeitschrift)
Englisch
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