Highway Safety Countermeasure Guide for State Agencies

Countermeasures that work: A highway safety countermeasure guide for state highway safety offices is a reference document for State Highway Safety Offices (SHSOs). The guide describes major strategies and countermeasures, summarizing their use, effectiveness, costs, and implementation time. It also provides references to key research summaries and individual studies.

Use Cases

• Prioritizing safety interventions based on summarized effectiveness data
• Estimating program costs and implementation timelines for planning
• Identifying key research references for further study on specific countermeasures

Strengths

• Content is described as science-based and focused on effective countermeasures
• Guide structure covers multiple dimensions: use, effectiveness, cost, and implementation time

Limitations

• Row count is unknown, which may limit suitability assessment
• Column-level documentation is absent; field semantics must be inferred after download
• Last update date is unknown; freshness unverified

Provenance

Collection Method

Compilation of research summaries and studies, as described.

Geography

Intended for U.S. State Highway Safety Offices, suggesting a U.S. focus.