Performance Measurements Using MAC Addressable Technology
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Performance Measurements Using MAC Addressable Technology
TPB MOITS Traffic Signals and Operations Subcommittee
November 12, 2008
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Data CollectionData Collection
Time intensive Costly Highly variable Difficult to be statistically significant Sometimes intrusive
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Performance Measures & TechniquesPerformance Measures & Techniques
Travel Time– Probe vehicles
– GPS tracking
– Toll tags
Volume & Speed– Road tubes
– System detectors
– Toll tags
Origin-Destination/Route Choice– License plate surveys
– Surveys
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New Technique ProcessNew Technique Process
Track MAC Addressable Devices to Determine Travel Speed– Set up antenna locations
• Flexibility on number and locations
– Use portable antennas to log device signal• Unique signature for each device• Time-stamp logs into a database
– Match MAC Address• Data mining programs available
– Calculate performance measure
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MAC Addressable Technologies - BackgroundMAC Addressable Technologies - Background
MAC Address – Devices that have a 48 bit UNIQUE address assigned to a device by
its manufacturer
Bluetooth Devices– Cell Phones
– Hands free units
– MP3 Players
– Vehicles
3 Different Classes with Operating Ranges– Class 1 – 100 meters
– Class 2 – 10 meters – Most common
– Class 3 – 1 meter
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Sample ProjectSample Project
Preliminary Study – Purdue University & Indiana Department of Transportation
– Indiana Motor Speedway (IMS) – Brickyard 400
– I-65 to IMS
Investigate travel patterns and characteristics– Before and after event
– Highway and arterial data
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Workshop DetailsWorkshop Details
Professor Darcy Bullock – Purdue University Professor Phil Tarnoff – University of Maryland
Friday, November 21, 2008 10:00 AM – 2:00 PM SHA OOTS Training Room – Hanover Complex
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Workshop Details - AgendaWorkshop Details - Agenda
10:00 AM – 11:45 AM – Prof. Darcy Bullock
– Prof. Phil Tarnoff
11:45 AM – 12:30 PM– Lunch (TBD)
12:30 PM – 2:00 PM– Roundtable Discussion
• Focus on applicability of technology and technique to various transportation engineering fields
• Possible revolution in data collection and reliability