Illinois Department of Transportation (IDOT) · Standard Specifications for Road and Bridge Construction
Section 1073 — CONTROLLER
Illinois Standard Specifications for Road and Bridge Construction, Section 1073. Full text, cross-references and related pay items on BuildSpec.
Art. 1073.01 Controller 1000 (2) Minimum Red Indication (Red Revert). Provision within the controller to ensure a minimum RED signal indication in a phase following the YELLOW CHANGE interval of that phase. (3) Offset. The time relationship expressed in seconds or percent of cycle length, determined by the difference between the starting point of the coordinated phase green and a system reference point. (4) Phase. The green, change, and clearance intervals in a cycle assigned to any independent movement(s) of traffic. (b) Design. (1) Menu Driven Programming. The controller programming…
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