Vredenburgh & Zackowitz, Inc.

Human Factors, Ergonomics, Safety,
Engineering & Organizational Consulting


Vehicle & Pedestrian Safety

We evaluate how driver expectations, perception and the physical environment are involved in vehicle collisions. Our evaluations include bicycle safety, children and traffic, and how driver expectations can cause collisions with bicycles and motorcycles.

Driver perceptionDriver Perception-response Times

  • Driver expectations
  • Reasonable behavior
  • Distractions
  • Visual cues
  • Information processing
  • Line of sight

Visibility, Lighting, Conspicuity

  • Motorcycle conspicuity
  • Driver search patterns
  • Driver expectations
  • Response times
  • Illumination levels