{"version":"1.0","type":"rich","title":"avg_traffic_county_roadstype","description":"This stacked bar chart shows the average annual traffic count for Allegany County, New York, broken down by road type from 1977 onward. Using D3 v6 within a React framework, the visualization renders as SVG rectangles, with the `d3.stack` API grouping data by year and road type (0, 1, 2). The chart employs `d3.scaleTime`, `d3.scaleLinear`, and `d3.scaleOrdinal` for axes and color encoding, with data loaded from a CSV file via `d3.csv`.","provider_name":"VizHub AI Studio","provider_url":"https://vizhub.com","html":"<iframe src=\"https://vizhub.com/viz/61f5ef834fae4f92af9df3597248d0f6?mode=embed\" width=\"960\" height=\"500\" scrolling=\"no\" frameborder=\"0\"></iframe>","width":960,"height":500,"cache_age":3600}