License plate readers in Columbia, MD
Volunteers have documented 27 automated license plate readers inside Columbia. That is the 6th-largest total among the 17 Maryland cities indexed here, and 3.0% of the statewide total. Its 0.8 readers per square mile spread across 31.9 square miles — thinner coverage than 79% of the 2,231 cities indexed nationally. Not every operator recorded here is a public agency — volunteers also logged Lowe's and Home Depot. Where a mount was recorded, volunteers logged 10 on poles and 2 on pole and trailer mounts.
Updated August 14, 2026.
27
readers documented
0.8
per square mile
6th
of 17 indexed Maryland cities
3.0%
of Maryland’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 Safety12 · 44%
- Motorola Solutions3 · 11%
- Genetec2 · 7%
- Other vendors3 · 11%
- Unknown7 · 26%
What volunteers recorded
- Monitoring public roads
- 19 cameras are tagged as watching public streets or traffic.
- Recorded operators
- Lowe's (3), Home Depot (2). Who operates these cameras nationally →
- How they’re mounted
- pole (10), pole and trailer (2)
- Coverage area
- 31.9 square miles of land inside city limits.
Nearby
Learn more: What a Flock camera looks like · How ALPRs work · Maryland 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.