How long is the timeframe for a INTERMEDIATE traffic incident?

• A. Expected duration of anywhere from 30 minutes, to 2 hours.
• B. More than 2 hours
• C. Under 15 minutes
• D. 3-4 hours

Answer: (A)

Understanding incident duration categories helps you plan scene safety, traffic control, and resource needs. An intermediate traffic incident is expected to require a moderate amount of time to manage—long enough for scene assessment, hazard mitigation, patient care if needed, vehicle removal, and establishing traffic control, but not a prolonged, extended operation.

That typically falls in a window of about 30 minutes to 2 hours. This range accounts for initial response, setting up safety measures, stabilizing the scene, and beginning the process of clearing the roadway. It reflects scenarios where things are more than a quick, routine clearance but not so lengthy that operations become sustained or multi-agency long-term efforts.

Shorter durations (under 15 minutes) would represent quick, minor incidents that don’t require extended scene management, while longer durations (beyond 2 hours) move into extended or long-term operations with broader resource needs and ongoing detours.