2016 auckland infrastructure conference
TRANSCRIPT
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DEALING WITH CONGESTION
PRESENTED BY URIE BEZUIDENHOUT
PHD CANDIDATE
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WHERE DID IT COME FROM?
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SOMEWHERE, SOMETHING WENT TERRIBLY WRONG
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THE 9 - 5 DILEMMA
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COMPRESSED LIVING AND TIME
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UNDERSTANDING CONGESTION
CausesScheduled living
+Individual’s free will
=Non-autonomous
movement
ToolsSignal systems
(Management)
Public Transport(Mass transit)
Monetary penalties(Tolls and fees)
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RESEARCH ON VEHICLE CONGESTION
Driver behaviour
Non-autonomous more autonomous
Coerce not penalise
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DRIVER BEHAVIOUR
• Competing signage
• Short block lengths
• Visually complex
• Queues
• Pedestrians and cyclists
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TRAJECTORY PLOTS
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ADDED INTELLIGENCE1 4 7 10 13 16 19 22 25 28 31 34 37 40 43 46 49 52 55 58 61 64 67 70
0
5
10
15
20
25
Q-Prediction
ObservedRefine predict
Cycle no. x Intersection
Vehi
cles
(no.
)
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SYNCHRONISATION
Queued @ Red
Detector Zone
Free flow Platoon
QueuedPlatoon
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FIXATION
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GAZE HEATMAP
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POINTS OF INTEREST
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COERCING (CALIBRATING) DRIVERS
• Use queues to discourage movements• Flush out queues before arrival• Greenwave along alternative route• 4 - 6 weeks to get measurable benefits
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OPERA ALGORITHM – Auckland CBD
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RESULTS – NETWORK WIDE
Short term (Medium term)• Cyclical queues - 8%
(-28%)• Overcapacity queues - 4%
(-31%)• Stop-start queues - 39%
(-59%)• Travel time reduction - 5%
(-20%)
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OPERA OPTIMISING BENEFITS
-20 % travel time
$ 400 Savings/person/year
$0.25 billion /yearTravel time savings for Auckland
500,000 trips in peak hr
11 min trip in peak hr