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Analysing and improving road performance with real time dataIntroducing Journey Analytics 1.0
Virginia WhewayDecember 2016
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Sydney’s road network is under pressure
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What questions would be helpful to answer?
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Goal: To develop a real time analytical toolkit to analyse road network performance, prioritise interventions
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Journey Analytics uses big data technology and capability to produce comprehensive road performance metricsOur focus has been on:• Developing a data platform to integrate related
datasets to provide unique insights• Building capabilities to process and transform the
data (315 million unique records and growing)• Developing road and bus metrics that are
meaningful to people undertaking real journeys across the network
• Near-to-real time, spatially and over time• Trends, comprehensive, accessible
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Worst Road Segments (Weekdays & Weekends)
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Understanding the cost of congestion for Pacific Highway
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Understanding the cost of congestion across hours of the day
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Cost of congestion on the Pacific Highway on Friday is double that of Monday
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010,00020,00030,00040,00050,00060,000
Daily cost of congestion Pacific Highway (2 weeks in 2016 : Jun 13-26)
Week 24 Week 25
Jun 13-19 2016 Pacific highway day of the week contribution to total cost of congestion
Monday
Tuesday
WednesdayFriday
Thursday
Saturday
Sunday
Day Jun 13-19 2016
Jun 20-26 2016
Monday 25,500 24,500Tuesday 33,000 42,500Wednesday 36,500 37,500Thursday 46,500 39,000Friday 49,000 50,000Saturday 24,500 27,500Sunday 17,500 13,500
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Understanding changes in the distribution of speed provides unique insights
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AM peak period is lengthening
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Significant improvements in volume weighted speed along Pacific Highway since 2013
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Weekend performance between 10am and 1pm is worse on weekends compared to weekdays on Pacific Highway
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Measuring road network ‘reliability’ by estimating variability in performance measures
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Measuring volume weighted speed duration curves provides unique insights on road performance
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Improving performance
Worsening performance
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VicRoads AFL Grand Final traffic management plan was a success in 2015
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Start of events Cup End of events
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Worst road segments (weekdays)1. Missenden Road Southbound Before Carillon Ave
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Worst road segments (weekdays)2. M5 East Freeway Westbound After Princes Hwy Crossroad
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Worst road segments (weekends)1. Illawarra Road, South-West Bound
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Building on Journey Analytics 1.0 – next steps• Journey Analytics 1.0 is currently an in-house tool for undertaking bespoke analysis
of the many transport performance questions perplexing road agencies today• Next stages of capability development include:
> Further data verification – anticipating real time data> Volume imputation to develop aggregate network metrics> Merging of public transport journey metrics, including on-time running and cost of
congestion to public transport> Identification of data use cases and real-life testing
• This development work will strengthen the robustness of the road performance metrics and any related analysis
• The scope for user-focussed development includes:> Focus on data interfaces including potentially a performance dashboard> Metric refinement – including accessing real-time origin-destination data> Incorporate incident data, opal card data> Understand people movement patterns across Sydney
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SydneyLevel 40 161 Castlereagh Street Sydney NSW 2000
Phone: +61 2 8880 4800
Singapore12 Marina View #21-01 Asia Square Tower 2Singapore 018961
Phone: +65 6653 3420
Contact UsAdrian Kemp, Partner
Phone (Sydney): +61 2 8880 4811Phone (Singapore): +65 6653 3416Mobile: +65 9782 8683
Adrian.Kemp@houstonkemp.com
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