Control of Traffic through Incident Management Areas

Module 7

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This training is provided under Susan B. Harwood No. SH-21004-10-60-F-8. It does not necessarily reflect the views or policies of the U.S. Department of Labor, nor does mention of trade names, commercial products, or organizations imply endorsement by the U.S. Government.

Definitions• Traffic incident• Traffic incident management

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Three Classes of Traffic Incident Duration

• Minor: Under 30 minutes

• Intermediate: From 30 minutes to 2 hours

• Major: Over 2 hours

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Major Incident (over 2 hrs)

• Diverted through lane shifts or detours

• TTC devices should be readily available

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Be prepared to deploy traffic control devices

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Tops of 28” cones

Rolled up 4 ft by 4 ft signs

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7 ft. Sign Supports

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4 ft by 4 ft signat 7 ft mounting height

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Provide trained flaggers to assist incident responders

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Public Works or Contractors may be needed to clear an accident

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Intermediate Incident (30 min to 2 hrs)

• Traffic control on scene to divert traffic

• TTC devices should be readily available

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Minor Incident (less than 30 minutes)

• Diversion into other lanes often not needed

• Generally not practical to set up lane closure

• If incident blocks lane, move to shoulder

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Requirements

• Signage/Cones• Lighting• Mutual planning

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Requirements

• Signage/Cones• Lighting• Mutual planning

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Requirements

• Signage/Cones• Lighting• Mutual planning

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Requirements

• Signage/Cones• Lighting• Mutual planning

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