01
- Methodology
- Data quality
How PlateReaderMap Counts Cameras
Why PlateReaderMap reports documented locations, how records are grouped, and where uncertainty remains.
Research
Clear guides for reading ALPR data carefully.
Understand what the technology records, how public map data is assembled, and where a statistic or policy needs more context.
5 source-led guides · No sponsored analysis
Research library
Start with the evidence.
Each guide links directly to government, standards, mapping, or first-party policy sources so readers can inspect the underlying material.
02
- Methodology
- OpenStreetMap
How Public ALPR Camera Mapping Data Is Collected
How community map records become a sourced, queryable view of documented ALPR infrastructure.
03
- Data retention
- Public policy
Understanding ALPR Data Retention
Why ALPR retention periods vary and which records a published policy may—or may not—cover.
04
- ALPR basics
- Flock cameras
- Manufacturers
What Is a Flock Camera? Flock Safety vs. ALPR
A Flock camera is made by Flock Safety, while ALPR and LPR describe a technology category used by multiple manufacturers. Learn how the terms differ.
05
- ALPR basics
- Data literacy
What Is an Automated License Plate Reader?
A plain-language guide to ALPR reads, alerts, searches, and the limits of the underlying data.