A design prototype by Datopian, not an official website
Find a Commonwealth ResourceDatathon 2025
This app provides the latest traffic volume data for every roadway in the Commonwealth. Traffic volumes are the most recent available and have been approximated in some cases. Click on any roadway to display the traffic…
Updated Oct 17, 2026
Arlington County - GIS Portal
Bike and pedestrian counting locations in Arlington County. Data includes the type of counter that was used and the location name of the counter. Contact: Department of Environmental Services Data Accessibility:…
Updated Nov 2, 2026
