License plate readers in Detroit, MI
Volunteers have documented 566 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 4.1 per square mile it is more densely covered than 83% of the 2,430 US cities indexed nationally. Its 566 readers are more than 31 times the 18-camera median for the 63 Michigan cities indexed here. Where a mount was recorded, volunteers logged 343 on poles and 64 on street lamps.
Checked against OpenStreetMap November 14, 2026 · figures last changed November 9, 2026.
566
readers documented
4.1
per square mile
1st
of 63 indexed Michigan cities · 9th of 2,430 nationally
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 Safety304 · 54%
- Motorola Solutions200 · 35%
- Genetec51 · 9%
- Other vendors10 · 2%
- Unknown1 · 0%
What volunteers recorded
- Monitoring public roads
- 559 cameras are tagged as watching public streets or traffic.
- Recorded operators
- Detroit Police Department (449), Michigan State Police (19), Rock Security (10). All 719 recorded ALPR operators, ranked →
- How they’re mounted
- pole (343), street lamp (64), post (62), traffic signal (52), building (10)
- Coverage area
- 138.7 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.