26 lines
2.2 KiB
Markdown
26 lines
2.2 KiB
Markdown
This is a series of RMarkdown files that generates maps of crashes between motor vehicles and bikers and pedestrians in Wisconsin.
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## Data sources
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- The crash data is from the UW TOPS lab: https://topslab.wisc.edu/
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- School location data is from the Wisconsin DPI: https://data-wi-dpi.opendata.arcgis.com/
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- County data is from the US census
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- Basemaps are from StadiaMaps: https://stadiamaps.com/
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## Example figures
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### A map of crashes near East High School in Madison, WI:
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## To process data and generate figures
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- Pre Process TOPS data `make TOPS_data_process`: This combines TOPS data exports from different years and reformats the data.
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- OpenStreetMap Routing Machine `make osrm`: this downloads the most recent OpenStreetMap data for Wisconsin, and starts docker containers to run the OpenStreetMap Routing Machine to calculate IsoDistances.
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- School Crash Maps `make schoolpdfs`: generates maps of all the schools in Wisconsin and where cars are hitting kids This script pulls in the TOPS data from a folder of csv’s that you’ve downloaded from the data retrieval tool. It also draws the walk boundary around each school, this is done with a OpenStreetMap routing engine that is running in a docker container. It also needs access to an API key for StadiaMaps to download all the basemap tiles. I recommend downloading the whole state and filtering the data with the script. You can edit file `parameters/run_parameters` to choose what county, school type, and district to generate maps for
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- Dynamic Map `make crashmaps_dynamic`: This takes the TOPS data and generates dynamic leaflet maps to host on our website. It generates 4 maps: without a title (for in a frame), and with a title, in both English and Spanish.
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- Milwaukee Specific map `crashmaps_dynamic_milwaukee`: generate a web map for Milwaukee that includes more fine-grained visualizations of crash densities.
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- Crash summaries `make crash_data_summaries`: generates summary csv files that summarize the crash data for a given municipality and county by age, sex, race.
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## R Scripts
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I'm working to move these to RMarkdown files
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- City maps - generates maps for cities in Wisconsin where pedestrian fatalities occur.
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