License plate readers in Joliet, IL
Volunteers have documented 85 automated license plate readers inside Joliet. That is the 6th-largest total among the 161 Illinois cities indexed here, and 1.3% of the statewide total. Its 1.3 readers per square mile spread across 66.3 square miles — thinner coverage than 61% of the 2,231 cities indexed nationally. Nearly all of them — 96% — are Flock Safety units. Where a mount was recorded, volunteers logged 14 on poles and 12 on street lamps.
Updated August 14, 2026.
85
readers documented
1.3
per square mile
6th
of 161 indexed Illinois cities
1.3%
of Illinois’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 Safety82 · 96%
- Motorola Solutions1 · 1%
- Other vendors1 · 1%
- Unknown1 · 1%
What volunteers recorded
- Monitoring public roads
- 81 cameras are tagged as watching public streets or traffic.
- Recorded operators
- Flock Safety (13). Who operates these cameras nationally →
- How they’re mounted
- pole (14), street lamp (12)
- Coverage area
- 66.3 square miles of land inside city limits.
Nearby
Learn more: What a Flock camera looks like · How ALPRs work · Illinois ALPR law
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.