2015 Traffic Signals 101 Topic 8 Head and Loop Placement.

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Presentation transcript:

2015 Traffic Signals 101 Topic 8 Head and Loop Placement

Office of Traffic, Safety, and Technology Signal Heads and Indications Pedestrian Signal Head WALKING PERSON (symbolizing WALK) UPRAISED HAND (symbolizing DONT WALK) Countdown numbers Comprised of two components; Pedestrian signal housing Pedestrian signal indication 2

Office of Traffic, Safety, and Technology Signal Heads and Indications Pedestrian Signal Housing Protects the light source and other components Indication mounting door and sun visor Pedestrian Signal Indication LED hand and man countdown indication module that is installed within the pedestrian signal housing 3

Office of Traffic, Safety, and Technology Signal Heads and Indications Vehicle Signal Head Is an assembly of one or more signal sections that is provided for controlling vehicle traffic movements on one or more approaches This assembly of signal sections also includes a background shield 4

Office of Traffic, Safety, and Technology Signal Heads and Indications Signal Section Assembly of a signal housing, signal lens, if any, and light source with necessary components to be used for displaying one signal indication Section is comprised of two components Signal housing Signal indication 5

Office of Traffic, Safety, and Technology Signal Heads and Indications Signal Housing Protects the light source and other required components Includes a hinged opening (with visor) in which the signal indication is mounted Signal Indication Is the illumination of a signal lens or equivalent device Light Emitting Diode (LED) indication module Installed within the signal housing Housing and indication make up the section 6

Office of Traffic, Safety, and Technology Head Placement Traffic Signal Head Placement 7

Office of Traffic, Safety, and Technology Head Placement Traffic Signal Layout 8

Office of Traffic, Safety, and Technology Loop Placement Loop Detector Placement Design Guaranteed Green Safety Failsafe Maintenance Operation 9

Office of Traffic, Safety, and Technology Loop Placement 10 DECISION Animation

Office of Traffic, Safety, and Technology Loop Placement 11 Figure 1

Office of Traffic, Safety, and Technology 12 Loop Placement Figure 2