License plate readers in Detroit, MI
Volunteers have documented 545 automated license plate readers inside Detroit. No other Michigan city in this index has more, and Detroit alone accounts for 15% of every reader documented in the state. At 3.9 per square mile it is more densely covered than 85% of the 2,231 US cities indexed nationally. Its 545 readers are more than 23 times the 23-camera median for the 58 Michigan cities indexed here. Where a mount was recorded, volunteers logged 339 on poles and 64 on street lamps.
Updated August 14, 2026.
545
readers documented
3.9
per square mile
1st
of 58 indexed Michigan cities
15%
of Michigan’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 Safety287 · 53%
- Motorola Solutions197 · 36%
- Genetec51 · 9%
- Other vendors10 · 2%
What volunteers recorded
- Monitoring public roads
- 543 cameras are tagged as watching public streets or traffic.
- Recorded operators
- Detroit Police Department (449), Michigan State Police (19), Rock Security (10). Who operates these cameras nationally →
- How they’re mounted
- pole (339), street lamp (64), post (56), traffic signal (52), building (10)
- Coverage area
- 138.7 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.