Using Visualization Tool to Determine Roundabout Conflicts

• Authored by:  Dr. Majed N. Al-Ghandour
• Event:  2012 National Conference on Access Management

Using Visualization Tool to Determine Roundabout Conflicts: Surrogate Safety Assessment Model (SSAM)
North Carolina DOT

In Summary

• SSAM is a technique combining micro-simulation models and automated conflict analysis to assess the safety.
• SSAM is a visual tool to support:
  • Identification conflict points, conflict types, conflict severity, and conflict zones
  • Analysis in terms of safety surrogate measures
  • Assessment alternatives
• SSAM is an excellent tool to improve public involvement in terms of access management for driveways, alternatives, etc.