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Locus-v1, a dataset of 2.2M local laws and ordinances

Locus-v1, a dataset of 2.2M local laws and ordinances

by jbarrow·Jun 24, 2026·2 points·0 comments
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AI Analysis

●●SolidBig BrainNiche Gem

2.2M local laws with ML-classified enforcement and opacity scores.

Strengths
  • •Substantial data collection work across US municipalities at scale
  • •ML-classified metadata enables research on enforcement discretion
  • •Accompanied by arXiv paper documenting methodology
Weaknesses
  • •US-only coverage limits international legal research applications
  • •Dataset is passive infrastructure, not an active tool or product
Category
Data
Target Audience

Legal NLP researchers, municipal policy analysts

Similar To

CaseLaw Access Project · CourtListener · Legal Information Institute

Post Description

Wrote a paper (https://arxiv.org/abs/2606.19334) on how we collected and built the dataset. Just covers the United States.

Happy to answer any questions!

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