2016 auckland infrastructure conference
TRANSCRIPT
DEALING WITH CONGESTION
PRESENTED BY URIE BEZUIDENHOUT
PHD CANDIDATE
WHERE DID IT COME FROM?
SOMEWHERE, SOMETHING WENT TERRIBLY WRONG
THE 9 - 5 DILEMMA
COMPRESSED LIVING AND TIME
UNDERSTANDING CONGESTION
CausesScheduled living
+Individual’s free will
=Non-autonomous
movement
ToolsSignal systems
(Management)
Public Transport(Mass transit)
Monetary penalties(Tolls and fees)
RESEARCH ON VEHICLE CONGESTION
Driver behaviour
Non-autonomous more autonomous
Coerce not penalise
DRIVER BEHAVIOUR
• Competing signage
• Short block lengths
• Visually complex
• Queues
• Pedestrians and cyclists
TRAJECTORY PLOTS
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.
)
SYNCHRONISATION
Queued @ Red
Detector Zone
Free flow Platoon
QueuedPlatoon
FIXATION
GAZE HEATMAP
POINTS OF INTEREST
COERCING (CALIBRATING) DRIVERS
• Use queues to discourage movements• Flush out queues before arrival• Greenwave along alternative route• 4 - 6 weeks to get measurable benefits
OPERA ALGORITHM – Auckland CBD
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%)
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