next level trend and behavioural analysis with sophisticated bicycle data

Next Level Trend and Behavioural Analysiswith Sophisticated Bicycle Data

Mike Kenny, CEO MetroCountAITPM National Conference, Brisbane, July 2015

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“We Measure What We Value”

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Bicycle Data – “We Measure What We Value”

People are increasingly turning to the bicycle as a viable mode of routine transport.

Some factors:•Offsetting the increasing costs of living.•Reducing environmental impacts.•Healthy lifestyle.•Making cities more liveable and sustainable.

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Designers and engineers need accurate bicycle VOLUME data for:

•Monitoring usage of existing facilities.•Planning and designing new facilities.

Many monitoring sites have been or are being established.

But…

Bicycle volume data only provides a partial picture.


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Bicycle SPEED data is also required for:•Monitoring & designing for safety.•Accurate modelling & planning.

But…

How can we obtain bicycle VOLUME data?

How can we obtain bicycle SPEED data?

And…

How can we obtain bicycle data ACCURATELY?


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MetroCount 5720 Advanced Bicycle Counter with Piezoelectric strips

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Inductive Loop

Counter

O PBicycles may be recorded with inductive loops or piezoelectric strips, but...

Why use piezo strips?


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Independent tests - By Grontmij B.V., Rotterdam, Netherlands

“In September 2013 Grontmij conducted tests with three bicycle counting systems at Kralingseweg, Rotterdam. Besides the Dinaf count tubes already present at the test location, two other counting systems were deployed for the tests:• MetroCount MC5720: using piezoelectric strips;• EcoCounter: using an induction loop glued to the bicycle path.”

“Results… EcoCounter showed the biggest deviations from reality”

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Independent tests – SKM, Melbourne, Australia

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Independent tests – SKM, Melbourne, Australia (cont.)

“A Metrocount MC5720 bicycle counter was installed on Albert Street (East Melbourne) in the citybound (west) direction on Wednesday 22 June. As most installations of this piezo sensor were previously on off-road shared paths there is a need to understand whether motor traffic in the adjacent traffic lanes interfere with the sensor.”

“Results… The overall count accuracy of the MC5720 was very good”

MC5720 Advanced Bicycle Counter

MetroCount 5720 Advanced Bicycle Counter

with MSI BL Piezo Sensor

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With piezoelectric strips, bicycle volume and speeds are recorded ACCURATELY

MSI Roadtrax BL Sensor

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1. Cut slot

2. Insert BL piezo sensor

3. Fill with polyurethane resin

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Force

Voltage

Piezoelectric Effect

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Piezo Element and Coaxial Feeder Cable


Sensor length typically ~3m

Bicycle detection patch:

< 30mm(~ 1%)

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Typical Waveforms

Car5-Axle Truck

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Bicycle

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Advantages of the MC5720 include:

Excellent signal-to-noise ratio.

Broad speed response.

Low profile.

Cluster separation – separates clusters of bicycles.

Ultra-low power consumption.

Synchronous second channel – time-stamp other sensors, such as pedestrian counters.

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Speed = Distance / Time

= Sensor Separation / (TA – TB)

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Permanently embedded piezoelectric axle sensors

A BSensor

Separation

Individual Bicycles with “Inspector Gadget”

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Sample Reports

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Comparison of MC5720 data with manual count data

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Unpublished DTMR Data

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Comparison of MC5720 data with manual count & loop data21


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2 Hr Bicycle VolumeManual Count = 350MC5720 = 347 (99.1%)Speed Statistics:Maximum = 48.6 km/hMean = 25.9 km/h85% Speed = 31.7 km/h95% Speed = 34.9 km/hMedian = 25.9 km/hVariance = 33.7 km/hStd. Dev. = 5.81 km/h

Loops = 344 (98.3%)Speed Statistics:

Unknown??

MC5720 Installation, St Georges Road Northcote Melbourne

MC5720 Speed Data22


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85th percentile:

32.4km/hr85th percentile:

33.1km/hr

Weekday Peak Period:“Commuter Usage”

Speed Histograms: Same Location, Different Analysis Criteria

Off Peak Periods

Flow Stacked by Speed Bins (hourly integration)

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Sample Reports

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Speed bins (5km/hr bins)

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Sample Reports

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Sample Reports – Speed Histogram with Directional Filtering

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North Bound•Total volume = 6704•Mean speed = 29.1km/hr•85th Percentile = 37.8 km/hr

South Bound•Total volume = 7423•Mean speed = 18.6 km/hr•85th Percentile = 25.9 km/hr

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Sample Reports – Volume & Estimated Kinetic Energy

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North Bound

South Bound

Based on 80kg Bicycle & Rider

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But, why monitor bikes...?

Europe today, Australia tomorrow!

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About MetroCountEstablished 1987 in Fremantle, Western Australia

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About MetroCountFocus on Traffic Monitoring Systems

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Grown over 20 years, with offices in London UK and Washington DC USA

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Clients in over 100 countries, with thousands of systems in daily use throughout the world

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About MetroCount

Australia15 O’Connor CloseNorth Coogee, WA, 6163Ph: 08 9430 6164Fax: 08 9430 6187Email: [email protected]

United KingdomUnit 15, Oliver RoadPark Royal, London, NW10 7JBPh: 020 8782 8999Fax: 020 8782 8737Email: [email protected]

United States11820 West Market Place, Suite

MFulton, MD, 20759Ph: 800 576 5692Fax: 866 440 8407Email: [email protected]

www.metrocount.com

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next level trend and behavioural analysis with sophisticated bicycle data

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