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Data Collection Methods

Data Collection Methods. BluFax : vehicle identification using bluetooth MAC addresses – provides corridor traffic patterns (origin-destination data) and vehicle travel-times in SR-91 corridor study area

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Data Collection Methods

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  1. Data Collection Methods • BluFax: vehicle identification using bluetooth MAC addresses – provides corridor traffic patterns (origin-destination data) and vehicle travel-times in SR-91 corridor study area • Wavetronix: vehicle detection radar units – provides 100% vehicle classification counts (auto and truck) in SR-91 corridor study area • PeMS: vehicle counts and speeds using Caltrans in-pavement vehicle detection induction loops (450+ locations throughout Riverside, San Bernardino, Orange and Los Angeles Counties)

  2. SR-91 Corridor Travel Patterns • BluFax and Wavetronix data was collected between November 1st and November 10th 2010 • Data was aggregated to provide average weekday AM and PM peak period travel patterns consistent with modeling time periods • Combining the BluFax origin-destination traffic data (in percent) with the Wavetronix classification count data provides complete corridor AM and PM peak period travel patterns

  3. SR-91 Corridor: BluFax and Wavetronix Data Collection Locations 5 6 4 2 1 3 7

  4. SR-91 EASTBOUND AM Percent AM Volume

  5. SR-91 EASTBOUND PM Percent PM Volume

  6. SR-91 WESTBOUND AM Percent AM Volume

  7. SR-91 WESTBOUND PM Percent PM Volume

  8. SR-71 SOUTHBOUND AM Percent AM Volume

  9. SR-71 SOUTHBOUND PM Percent PM Volume

  10. I-15 SOUTHBOUND AM Percent AM Volume

  11. I-15 SOUTHBOUND PM Percent PM Volume

  12. I-15 NORTHBOUND AM Percent AM Volume

  13. I-15 NORTHBOUND PM Percent PM Volume

  14. SR-91 Corridor Travel-times • BluFax data collected Nov 1  Nov 10, 2010 • Data was aggregated to provide average weekday travel-time summations in 15-minute increments • Travel-time graphics (plots) reveal congested freeway segments and time periods • PeMS data provides weekday average hourly traffic speeds at 450+ Caltrans freeway locations adjacent or relevant to the SR-91 corridor • PeMS data still being analyzed – data summaries before end of December

  15. SR-91 Corridor: BluFax and Wavetronix Data Collection Locations 5 6 4 2 1 3 7

  16. Corridor (Segment) Travel-times

  17. Corridor (Segment) Travel-times

  18. Corridor (Segment) Travel-times

  19. Corridor (Segment) Travel-times

  20. Corridor (Segment) Travel-times

  21. Corridor (Segment) Travel-times

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