Mean Commuting Time Trends Across NCT Counties (2009–2023)

 Dashboard Components:

1.  Trend Line Chart (Top Panel)

  • Displays the year-over-year commuting time trend from 2009 to 2023
  • Shows the average across all counties, updating when a county is selected from the right filter
  • Interactive: Use the County filter to view trends for individual counties

2.  Geospatial County Map (Bottom-Left Panel)

  • A filled map of North Central Texas counties
  • Counties are shaded based on their Mean Commuting Time for the selected year
  • Hovering displays exact commuting times
  • County selection synchronizes the trend line above and bar chart to the right

3.  Horizontal Bar Chart (Bottom-Right Panel)

  • Compares Mean Commuting Times across all 24 counties for the selected year
  • Helps identify outlier counties (e.g., highest and lowest values)
  • Dynamic: Responds to year and county selection

 Key Interactions:

  • Use the 🔘 button to view data for a specific county County Filter (Top-Right): View data for a specific county
  • Use the📅 calendar to view changes by year in the map Year Filter (Bottom-Right): Changes year in map and bar chart
  • Clicking 🧠a county in the map updates all other views Map Click: Clicking a county in the map updates all other views
  • Tooltip shows precise values across all visualizations

 Insights Example (2023):

  • Highest commuting time: Kaufman County – 35.37 mins
  • Lowest commuting time: Brown County – 19.19 mins
  • Regional variation is evident, possibly influenced by population density, transportation infrastructure, or employment hubs

 Purpose:

This dashboard helps transportation planners, policymakers, and regional analysts:

  • Understand temporal commuting trends
  • Compare commuting burdens across counties
  • Identify areas needing transportation investment or policy attention