The webinars offered by ASCE are the easiest ones for me to present groups. I appreciate how consistently ASCE organizes the webinars. -  Dana M. Hardy, Executive Secretary City of Oklahoma Utilities Administration

INSTRUCTOR: Josh Peterman, P.E., T.E., M.ASCE 

Purpose and Background

This webinar provides guidance on the best practices for designing traffic signals. The materials will include guidance on layout of traffic signal indications and structural supports, controller and cabinet setup, intersection safety lighting, and bicycle and pedestrian accommodation. Information will also be offered regarding methods of vehicle detection. A variety of sources will be referenced including the MUTCD, ITE, AASHTO, ADAAG, manuals developed by state highway departments and recent publications on traffic signal design.

Learning Outcomes

You will learn the most important elements to consider in the design of traffic signals, based heavily on the guidance offered by the MUTCD. These elements will include the appropriate placement and arrangement of signal faces, supports, detection, and guidance on the placement of signal equipment and detection for bicycles and pedestrians. Design guidelines will be stated in the context of intersection traffic operations.  You will learn how the controller assembly relates to the traffic signal, and your options for cabinets and equipment.  You also will obtain basic information on controllers, cabinets, and electrical service equipment.

Webinar Benefits

• Obtain guidance on how to design the layout of a traffic signal under various modes of operation
• Gain an improved understanding on the placement of traffic-control devices and detection for bicycle and pedestrian traffic
• Understand the purpose and setup of traffic signal controllers and cabinets
• Learn the best sources of information on designing traffic signals and signal systems

Intended Audience

This webinar will benefit transportation professionals who work for consultants, cities, counties, and state agencies involved in designing, reviewing, or otherwise making decisions about the design of traffic signals. It is designed to provide the best information currently available on best practices for designing traffic signals under a variety of situations.

Webinar Outline

• Primary signal design references
• Traffic signals - purpose and warrants
• Alternatives to traffic signals
• Traffic control theory - phasing and timing
• Traffic signal supports
• Traffic signal heads - placement and arrangement
• Pedestrian accommodations
• Bicycle accommodations
• Controllers and cabinets
• Signal power and service
• Signage
• Intersection safety lighting