A simple map-based visualization of crash data for Maryland from October 2016 through December 2016.
- Load Node.js packages by running
npm install
from the root directory. - Download
Crash_Qtr04_2016.xlsx
from the data.maryland.gov URL below and place in/data
directory. - Open Excel document, and save first four worksheets (Crash, EMS, Person, Vehicle) each to a
separate CSV file in the same data directory:
Crash_Qtr04_2016.csv
,EMS_Qtr04_2016.csv
,Person_Qtr04_2016.csv
, andVehicle_Qtr04_2016.csv
. - Start the app by running
npm start
. The app should correctly parse the CSV files and write log statements indicating how many data records were read in. Then point your browser to localhost:3000 and the map should appear with lots of data points.
Maryland.gov Open Data Portal
Maryland Statewide Vehicle Crashes: CY2016 Quarter 4
https://data.maryland.gov/Public-Safety/Maryland-Statewide-Vehicle-Crashes-CY2016-Quarter-/276v-wfg2