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Comparative

This documentation shows how to use Comparative in Traveller Safety.

1. Access Comparative​

  • Navigate to the Traveller Safety section and select the Comparative tab.

  • This section displays graphs comparing collision frequencies between an initial and a final time period.

    • Left Bars: Represent the initial collision frequencies for each emphasis area.

    • Right Bars: Represent the final collision frequencies.

  • Additional graphs below the main chart illustrate the percentage improvement in collision frequencies.

2. Exporting Graphs​

  • Click the Hamburger Menu on any graph.

  • Select a format to export: PNG , JPEG , PDF , or SVG . This allows you to save and share the data visualizations easily.

3. Displaying Collision Frequencies​

  • Customize the graph display by selecting or deselecting filters:

    • Severity: Choose from Fatal , Injury , or PDO (Property Damage Only).

    • Emphasis Area: Focus on specific areas like Distracted Driving , Intersections , or Aggressive Driving .

4. Adjusting Collision Frequency Type​

  • Use the dropdown menu to toggle between:

    • Total Collision Frequency: Displays the total number of collisions.

    • Average Collision Frequency: Displays the average number of collisions for better comparison.

5. Adjusting Time Periods​

  • Modify the time periods for comparison:

    • Before Period: Set the start and end dates for the initial time frame.

    • After Period: Set the start and end dates for the final time frame.

  • Use the calendar icons to specify exact dates or select from predefined ranges.

6. Filter Collision Frequencies by Location​

  • Narrow down data based on specific areas:

    • Site List: Focus on particular sites.

    • Jurisdiction: Filter by regional boundaries.

    • Municipalities: Target specific municipalities for detailed analysis.