Concepts of program which covers correction of prior maintenance deficiencies through deferred maintenance, scheduled maintenance of existing equipment, and signal modernization; features of Broad Street electronic system, which coordinates series of interconnected semi-actuated dispatchers located at interscting streets.
Philadelphia's new program for traffic signal modernization
Traffic Quarterly
Traffic Quarterly ; 10 , n 2
1956
17 pages
2 Plates
Aufsatz (Zeitschrift)
Englisch
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