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Finding Flock

Cameras / Massachusetts / Boston

License plate readers in Boston, MA

Volunteers have documented 45 automated license plate readers inside Boston. That is the 3rd-largest total among the 29 Massachusetts cities indexed here, and 3.7% of the statewide total. Its 0.9 readers per square mile spread across 48.3 square miles — thinner coverage than 78% of the 2,395 cities indexed nationally. Flock Safety accounts for 58%, followed by Motorola Solutions at 4%. Where a mount was recorded, volunteers logged 12 on poles and 3 on street lamps. Not all of them watch open road: 5 were tagged in parking areas and parking entrances.

Checked against OpenStreetMap September 29, 2026 · figures last changed September 24, 2026.

See these cameras on the interactive map

  • 45

    readers documented

  • 0.9

    per square mile

  • 3rd

    of 29 indexed Massachusetts cities · 508th of 2,395 nationally

  • 3.7%

    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

Compare every ALPR manufacturer nationally →

What volunteers recorded

Monitoring public roads
37 cameras are tagged as watching public streets or traffic.
Recorded operators
Boston Police (18), Massachusetts Department of Transportation (11), Boston Police Department (2). All 720 recorded ALPR operators, ranked →
How they’re mounted
pole (12), street lamp (3), wall (2), traffic signal (1)
Coverage area
48.3 square miles of land inside city limits.

Nearby

Learn more: How to spot a Flock Safety camera · How ALPRs work · Can you opt out? · How state ALPR laws compare

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, or download the aggregates in bulk.