Basic HTML Version
iii
Table of Contents
Table of Contents........................................................................................................................................ iii
Acknowledgements.................................................................................................................................... vi
Preface..........................................................................................................................................................v
References................................................................................................................................................ xiv
Chapter 1
The Traffic Signal Control System: Its Pieces and How They Fit Together
.......................
1
Activity #1
Exploring the System and Providing a Framework
(Reading)
......................................................... 3
Activity #2
What Do You Know About Traffic Signal Systems?
(Assessment)
. ............................................... 17
Activity #3
Exploring the System: Driving Along an Arterial and Noting What You See
(Discovery)
������������ 23
Activity #4
Learning to See: The Simulation Environment in Which We Will Work
(Discovery)
.................... 25
Activity #5
Working Together – Team Building for Effective Learning and Design
(Discovery)
..................... 27
Activity #6
Team Agreement
(Design)
............................................................................................................... 39
Activity #7
Introduction to the
Traffic Signal Timing Manual
(In Practice)
...................................................... 41
Chapter 2
Modeling What We’ve Observed: Queuing Systems
..........................................................
45
Activity #8
Modeling Traffic Flow at Signalized Intersections
(Reading)
������������������������������������������������������� 47
Activity #9
What Do You Know About Queuing Systems?
(Assessment)
�������������������������������������������������������� 65
Activity #10
Using High Resolution Field Data to Visualize Traffic Flow
(Discovery)
�������������������������������������� 71
Activity #11
From Model to the Real World: Field Observations
(Field)
����������������������������������������������������������� 75
Activity #12
Basic Operational Principles
(In Practice)
...................................................................................... 81
Chapter 3
Whose Turn is it? Phasing, Rings, and Barriers
...................................................................
85
Activity #13
Phasing, Rings, and Barriers
(Reading)
.......................................................................................... 87
Activity #14
What Do You Know About Phasing and Ring Barrier Diagrams?
(Assessment)
��������������������������� 97
Activity #15
Verifying Ring Barrier Operation in the Field
(Field)
..................................................................... 99
Activity #16
Phasing, Rings, and Barriers in Practice
(In Practice)
. ................................................................. 101
Chapter 4
Actuated Traffic Controller Timing Processes
. ..................................................................
105
Activity #17
Controller Timing Process
(Reading)
........................................................................................... 107
Activity #18
What Do You Know About Controller Operations?
(Assessment)
������������������������������������������������113
Activity #19
The ASC/3 Traffic Controller
(Discovery)
......................................................................................117
Activity #20
How a Traffic Phase Times and Terminates
(Discovery)
............................................................... 121
Activity #21
Exploring a Controller Emulator
(Discovery)
. .............................................................................. 125
Activity #22
Constructing a Traffic Control Process Diagram
(Discovery)
������������������������������������������������������� 127
Activity #23
Inferring Signal Timing Parameter Values
(Field)
......................................................................... 137
Activity #24
Signal Timing Parameters
(In Practice)
. ....................................................................................... 141