sc4 hangout - josep maria salanova, pilot in thessaloniki
TRANSCRIPT
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Dr. Josep Maria Salanova GrauCenter for Research and Technology Hellas - Hellenic Institute of TransportHead of “Data collection and processing, algorithm design, and use of specialized transport software packages” laboratoryEmail: [email protected]: www.hit.certh.gr
Big Transport Data in Thessaloniki. What are the
benefits?
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Thessaloniki on the map
~1.400.000 inhabitants~450.000 private cars & 20.000 motorcycles1.300.000 daily trips1 (+1) public transport operator for urban trips~35 public transport operators for extra-urban trips1.950 taxis6.433 kms of streets8,8 kms of dedicated bus lanes12 kms of dedicated bicycle lanes89,4 kms of ring road197.696 parking places
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Existing ITS layout•Periphera
l•Urban•Central
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Thessaloniki Mobility lab
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Mobile sensors in Thessaloniki• Stationary sensors network: Point to point tracking of MAC
ids along the network through 43 Bluetooth device detectors.▫ Travel time estimation▫ Route choice model calibration▫ Origin – Destination matrix estimation / Mobility patterns
estimation▫ Traffic flow extrapolation
• Dynamic sensors fleet: Floating Car Data provided in real time by a professional fleets composed of 1.200 taxis and 600 buses▫ Traffic status estimation (average speed)▫ Origin – Destination matrix estimation / Mobility patterns
estimation▫ Taxi/bus performance indicators
• Social media (geolocated tweets & Facebook check-in events)▫ Activity patterns estimation▫ Events / incidents detection▫ Attraction models estimation
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Dynamic Sensors Data
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Floating Car Data (taxis)▫Device ID▫GPS position (X, Y, Z)▫Orientation (degrees)▫Speed (km/h) ▫Timestamp ▫Zone▫Status
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Floating Car Data (taxis)•1.200 vehicles (dispatching application)
▫Circulating 16-24 hours per day▫Pulse generated each 100 meters (10-12
seconds)▫500-2.500 pulses per minute
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Floating Car DataReal time traffic conditions information based on a combination of traffic
modeling and real time measurements (traffic flow and speed)
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Stationary Sensors Data
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Bluetooth devices detectors• 43 detectors (EEA, SEE-ITS & EASYTRIP)
▫ 4 million detections per week (peak period)▫ 25.000 unique devices detected per day (one intersection)▫ 1 million “tracked” trips per week▫ 20.000 “tracked” trips per day (one path)
• More detectors installed in other cities and in Bulgaria (SEE-ITS & EASYTRIP)
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Point to point BT networkReal time travel time provision to drivers (VMS, internet,
smart device)
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BDE pilot in Thessaloniki
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•Probe data that is used▫Floating Car Data (500-2.500 locations per
minute)▫Bluetooth detections (millions of daily
detections in 43 locations)•Services that are being implemented
▫Improved topology-based map matching▫Mobility patterns recognition and forecasting
GPS DataMap Matching Traffic Classification and
Prediction
Classification and Prediction Data
Bluetooth Data
Results
BDE pilot in Thessaloniki
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Dr. Josep Maria Salanova [email protected] +30 2310 498 433
Thank you!
http://opendata.imet.gr/dataset
Emmanouil [email protected] +30 2310 498 495Dr. Evangelos [email protected] +30 2310 498 459Dr. Georgia [email protected] +30 2310 498 457