TE-02 Traffic Signal Design: Engineering Concepts
DescriptionThis newly updated course covers basic concepts, standards, and practices related to the design and installation of traffic signals. Within the framework of the California Vehicle Code, California Manual on Uniform Traffic Control Devices (CA MUTCD), and Chapter 9 on Highway Lighting from Caltrans Traffic Manual, this course will explore the relationship among various engineering disciplines as foundations for signal design; introduce signal phasing diagrams, signal controllers and cabinets; explain the layouts of signal heads, signal poles, conductor schedule, and associated signal conduits, pullboxes, wiring, interconnects, detection and safety lighting. The course includes lectures, sample problems, and exercise projects that will familiarize the course participant with the design process for a simple signal design plan, and to provide for a unit-price-based cost estimate. While this course will focus only on the introductory engineering aspects in signal design and introduce some local agencies' equivalent standards and specifications that vary from Caltrans, the goal is for the course participants to become familiar with standards and specifications that guide the design and lead to successful project delivery of an operational traffic signal.
- relationship of street designs and signal designs
- signal phasing, controllers, cabinets
- signal phasing
- signal heads, poles, conduits, pullboxes, detection
- intersection safety lighting
- the format of contract documents
What You Will LearnStudents gain a good working understanding of concepts and standards needed to develop plans for traffic signal installations, including step-by-step procedures.
Who Should AttendThis is an introductory course targeted for traffic engineers, technicians, and maintenance and construction personnel with little or no experience in how to plan for and install traffic signals.
RequirementsPlease bring the following tools to the course: pocket calculator, engineer's scale (with 1:20 scale), 12" straight edge, and four colored pencils (red, green, blue, black). Optional item is a template with circles, squares and rectangles. The perspective course participants will be exposed to Caltrans Standard Plans and Specifications, and are encouraged to review them online at http://www.dot.ca.gov/hq/esc/oe/construction_standards.html.
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