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

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1011

NEW Q-Predict Model Accuracy

Cycle Reference

Q -L

engt

h (v

eh)

Influence Route Choices