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Optimising Traffic
Calibrating the drivers or the signals
Urie Bezuidenhout (Student ID. 5596624)Department of Civil and Environmental Engineering
Supervised by Dr P Ranjitkar and Prof. RCM Dunn
Its all about timing
Its all about timing
Trajectory plots
Introduction
Queued @ Red
QueuedPlatoon
Detector Zone
Free flow Platoon
Perturbed Arriving Vehicles
Trajectory Analysis
Filtered Record Zone
Queued Vehicles
Single Loop - Variables
Follow-up headway
Time Headway and Space Gap
Occupancy
Speed
SCATS Detector zone
Explore variables
Probability of being Q’d
Example of LR Curve
QUEUEDPLATOONED
Model Probability Curve
S1 S3 S5 S7 S9 S11
S14
S16
S18
S20
S22
S24
S26
0123456789
1011
NEW Q-Predict Model Accuracy
Cycle Reference
Q -L
engt
h (v
eh)
Influence Route Choices