Cameras / Massachusetts / Chelsea
License plate readers in Chelsea, MA
Volunteers have documented 13 automated license plate readers inside Chelsea. That is the 21st-largest total among the 27 Massachusetts cities indexed here, and 1.1% of the statewide total. At 5.9 per square mile it is more densely covered than 92% of the 2,231 US cities indexed nationally. Nearly all of them — 92% — are Flock Safety units. Volunteers also recorded non-government operators here, including The Home Depot. Every mount volunteers recorded here is the same kind: poles.
Updated August 14, 2026.
13
readers documented
5.9
per square mile
21st
of 27 indexed Massachusetts cities
1.1%
of Massachusetts’s documented total
Dot colors follow the manufacturer legend below. Boundary: U.S. Census Bureau, 2025 Cartographic Boundary Files. Locations: © OpenStreetMap contributors.
Who makes them
- Flock Safety12 · 92%
- Unknown1 · 8%
What volunteers recorded
- Monitoring public roads
- 13 cameras are tagged as watching public streets or traffic.
- Recorded operators
- Chelsea Police (9), The Home Depot (4). Who operates these cameras nationally →
- How they’re mounted
- pole (9)
- Coverage area
- 2.2 square miles of land inside city limits.
Nearby
Learn more: What a Flock camera looks like · How ALPRs work
These locations were documented in the field by OpenStreetMap volunteers and refresh automatically every six hours. They are evidence of where cameras have been seen — not a complete or official inventory, and cameras may have been added or removed since documentation. Corrections happen upstream: edit OpenStreetMap and this page will update. Read more in our methodology.