Illinois Department of Transportation (IDOT) · Standard Specifications for Road and Bridge Construction
Section 1074 — CONTROL EQUIPMENT
Illinois Standard Specifications for Road and Bridge Construction, Section 1074. Full text, cross-references and related pay items on BuildSpec.
Control Equipment Art. 1074.01 1007 operation, that is, traffic responsive, time of day, or free, and the timing plan in effect for the coordinated operation, that is, cycle length, split, and offset. The display shall be capable of displaying indicators for all used controller phases and associated pedestrian phases, overlap phases, local detector actuation, and system detector actuation. d. System Diagnostics. 1. Local Controller Diagnostic. At a minimum the master controller shall diagnose and report local controller flash fault by reporting the conflict monitor/malfunction management unit…
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