1. * Topic 8 Head and Loop Placement
07/16/96
2017 Traffic Signals 101
Topic 8
Head and Loop Placement *

2. 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

3. 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

4. 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

5. 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

6. 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

7. *
07/16/96
Head Placement
Traffic Signal Head Placement *

8. *
07/16/96
Head Placement
Traffic Signal Layout *

9. Loop Placement Loop Detector Placement Design Guaranteed Green Safety*
07/16/96
Loop Placement
Loop Detector Placement Design
Guaranteed Green
Safety
Failsafe
Maintenance
Operation *

10. *
07/16/96
Loop Placement
DECISION
Animation *

11. *
07/16/96
Loop Placement
Figure 1 *

12. *
07/16/96
Loop Placement
Figure 2 *