Proof of concept.This is an unofficial demo built by Datopian from the City of Newton's public data. The official portal is newton-open-geo-data-newtonmagis.hub.arcgis.com. Questions or feedback: hello@datopian.com

A PortalJS proof of concept · data from the City of Newton's ArcGIS Hub
Current portal

Parking Lots

Parking lots- City of Newton, MA

Records
167
Formats
5
Last updated
Jun 13, 2025
Download CSVView on ArcGIS Hub

Download & API

Parking Lots (CSV)csv
Spreadsheet — attributes, with coordinates for point layers
Download
Parking Lots (GeoJSON)geojson
GeoJSON — for web maps and GIS tools
Download
Parking Lots (GeoParquet)geoparquet
Columnar — query with DuckDB / SQL
Download
Parking Lots (map tiles)pmtiles
Vector tiles — embed in a map
Download
Live ArcGIS layer (source)arcgis
Download

Rendered from PMTiles, queried in-browser from GeoParquet — no server. How this works

Schema

FieldTypeValues
Namestring
Typestring10 values: Private (68), School (38), Municipal (13)…
Villagestring8 values: Newton Centre (4), Newtonville (4), West Newton (4)…
Labelstring
NumSpacesinteger0 to 219
Accessibleinteger0 to 6
SeniorLotinteger1 to 11
Regsstring2 values: Metered (11), Free (time limited) (2)