Core dataset Open source

Stanford Open Policing Project — San Francisco data

This is the project’s main dataset, providing standardized traffic-stop records that make it possible to compare where stops happen, when they happen, and what outcomes follow.

Visualization tool Official site

Kepler.gl

Kepler.gl was referenced as a visual and conceptual benchmark for map design, particularly in exploring how dense geospatial data can be effectively represented and communicated.

Research paper Read paper

A large-scale analysis of racial disparities in police stops across the United States

Pierson et al. analyze nearly 100 million traffic stops and show how large-scale stop data can reveal racial disparities in stop decisions and search outcomes.

Policy report Read report

Racial Disparities in Traffic Stops

This PPIC report examines 3.4 million California traffic stops and compares disparities across time of day, agency type, and traffic violation type.

Project findings View findings

Stanford Open Policing Project — Findings

The project’s findings page summarizes the broader statistical patterns behind the dataset and gives context for how racial disparities appear across agencies and stop types.

Research paper Read paper

Officer bias, over-patrolling and ethnic disparities in stop and search

This study helps frame stop-and-search disparities as the result of both officer behavior and department-level patterns, which is useful when interpreting concentrated stop activity in a single city.