Surveillance in Massachusetts
86/100
Massachusetts has 5,750 documented surveillance devices — roughly 82.1 per 100,000 residents.
1,062
License plate readers
4,295
CCTV cameras
291
DOT traffic cameras
0
Red light / speed cams
56
Gunshot detectors
46
Toll booths
Documented police technology
- 1,252 agency records in the EFF Atlas of Surveillance, covering 355 documented technology deployments
- Confirmed ShotSpotter / SoundThinking coverage zone: None documented (individual acoustic sensors are still mapped above)
- Cell-site simulators (Stingray): Documented
- Federal surveillance grants: $31.6M
Most surveilled cities in Massachusetts
Counts are documented devices from OpenStreetMap, state DOT feeds, municipal open data and the EFF Atlas of Surveillance. They are a floor, not a total — undocumented cameras are common, and a device appearing here is not confirmation it is currently operating.