Safety Assessment Model

Data Collection

• Reactive (Historical)- Collision Records
• Reactive and Proactive (Current/Emergent) - Action Request, SMS Committee, Roadway Inventory
• Proactive (Predictive) -Safety Condition Records

Data Analysis

• Collision Evaluation
• Maintenance Action
• Policy Action
• Potential Collision Analysis

  Safety Needs Report*
  Benefit/Cost Calculation*
  Safety Benefit Index

*Mitigation Alternatives factor into the Data Analysis process at this point.

Data Output

• Prioritized Safety Projects
  • Funding

• Safety Program (Emergency Services, Enforcement, Education, Engineering)

Source: WSDOT

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