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STANDARD TRAFFIC SIGNAL DESIGN DETAILS. DISTRICT ONE. SHEET 1 .. TO CURRENT STATE STANDARDS 877001, 877002, 877006, 877011 AND 18 Sep 2008 Station and offset shall be shown from the Design Engineer's control alignment. 3. IDOT -. IDOT District 1 Traffic Signal Special Provisions . (1) The following shall be exempt from inspection and copying: (g) Trade secrets and .. are due to faulty design and installation, workmanship, or materials, the City .. edition of the “Manual on Uniform Traffic Control Devices for Streets and . technical support for IDOT District One approved traffic signal controllers and. DESIGN FIRM REGISTRATION. No. .. APPROPRIATE IDOT STANDARDS AND IDOT DISTRICT 1 STANDARD MAY BE APPLIED. TEMPORARY EROSION AND SEDIMENT CONTROL, TRAFFIC SIGNAL DETECTOR LOOPS, PAVEMENT. CBBEL prepared design plans to upgrade all the existing traffic signal equipment and create a suitable pedestrian environment for the urbanized area at Cicero 57-1(1). 57-1.01(a) Illinois Manual on Uniform Traffic Control Devices. (ILMUTCD). The district will be responsible for the design of the traffic signal and for. The firm supplying plans to IDOT District 1 (District) must be prequalified with the Illinois Department of Transportation (Department) in Traffic Signal Design and its signal design staff shall be familiar with the latest traffic signal design procedures used for the District. 16 Jan 2015 several references (e.g., ITE Traffic Signal Design Manual) available . assist the Electrical Section of the ALDOT Design Bureau1 in Illinois DOT (District One) – IDOT District One uses a process called Pagones Theorem,. Traffic signal modification was in accordance with the IDOT District 1 Signal Design Guidelines and Cook County Department of Highway requirements.1. 5. Checklist for Traffic Signal Plan Submittals. 3. DESIGN GUIDELINES. 4. 1. Electric Service . IDOT District 1 Standard Traffic Signal Design Detail Sheets.