Module 5 incident classification
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MODULE 5 INCIDENT CLASSIFICATION. Objectives. Incident Classification Methods MUTCD LMIGA Incident Examples. MUTCD Incident Types. Minor—expected duration under 30 minutes Intermediate—expected duration of 30 minutes to 2 hours Major—expected duration of more than 2 hours

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MODULE 5 INCIDENT CLASSIFICATION

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MODULE 5 INCIDENT CLASSIFICATION


Objectives

  • Incident Classification Methods

    • MUTCD

    • LMIGA

  • Incident Examples


MUTCD Incident Types

  • Minor—expected duration under 30 minutes

  • Intermediate—expected duration of 30 minutes to 2 hours

  • Major—expected duration of more than 2 hours

  • Catastrophic Incident over 12 hours


Minor Incidents

Safe Positioning Vehicles:

  • Establish Initial Block

  • Establish a TTC Zone

  • Redirect Traffic

  • Quick Clearance

  • Advanced Warning:

    • Establish Advanced Warning

    • Set up Transition Zones


  • Minor Incident Scenario

    • Safe Positioning Vehicles

    • Carry a Minimum of 6 Traffic Cones

    • Establish a 250 Feet Approach to Incident:

      • 50 feet Minimum Buffer Space

      • 100 Feet Taper

      • 50 Feet Upstream Warning Sign


    Minor Incident on Shoulder


    Intermediate Incidents

    • More Advanced Warning:

      • Follow Minor Incident Requirements

      • Establish Greater Buffer and Transition Zones

      • Advanced Warning Further Upstream

      • Qualified Flaggers


    Major Incidents

    • Advanced Warning:

      • Follow Minor and Intermediate Incident Requirements

      • Establish More Permanent TTC Devices

      • Position Advanced Warning Signs Further Upstream

      • DOT Provides Signs and Channeling Devices


    Six Incident Impact Level

    • Lake Michigan Interstate Gateway Alliance (LMIGA) “Standard Operating Procedure and Training” Guidance Policy

    • Six Level based on:

      • Number of lanes blocked

      • Time period

    www.travelmidwest.com


    Level 1


    Level 1

    One lane blocked in one direction

    Off peak traffic period


    Level 1

    • Notifications:

      • Local law enforcement

      • Appropriate incident responders

      • Media

      • Trucking companies via email

      • DMS at 5 miles


    Level 2


    Level 2

    One lane blocked in one direction

    During peak traffic period

    Picture courtesy of Illinois DOT District 8 Emergency Traffic Patrol, digitized 2010


    Level 2

    • Notifications:

      • Local law enforcement

      • Appropriate incident responders

      • Media

      • Trucking companies via email

      • DMS at 5 miles < 30 minutes

      • DMS at 10 miles > 30 minutes


    Level 3


    Level 3

    Half of all available lanes are blocked and/or system ramp

    Picture Courtesy of Illinois Tollway Authority, 2010


    Level 3

    • Notifications:

      • Local law enforcement

      • Appropriate incident responders

      • Media

      • Trucking companies via email

      • DMS at 7 miles < 30 minutes

      • DMS at 15 miles > 30 minutes


    Level 4


    LMIGA Level 4

    All available lanes blocked in one direction

    Picture Courtesy of the Florida DOT, 2006


    LMIGA Level 4

    • Notifications:

      • Local law enforcement

      • Appropriate incident responders

      • Media

      • Trucking companies

      • DMS at 15 miles < 30 minutes

      • DMS at 30 miles > 30 minutes


    LMIGA Level 5


    Level 5

    Full freeway closure

    Picture Courtesy of KSDK Channel 5 News, 2010


    Level 5

    • Notifications:

      • Local law enforcement

      • Appropriate incident responders

      • Media

      • Trucking companies

      • DMS at 10 miles each direction < 30 minutes

      • DMS at 20 miles each direction > 30 minutes


    Level 6


    Level 6

    Full freeway closure lasting 12 hours or longer

    Picture Courtesy of the Missouri DOT, 2008


    Level 6

    • Notifications:

      • Local law enforcement

      • Appropriate incident responders

      • Media

      • Trucking companies

      • DMS at 50 miles each direction


    Determine Type

    Picture Courtesy of R. Moore, McKinney FD, TX ca. 2005


    Determine Type

    Picture courtesy of the Illinois Tollway Authority, 2010


    Determine Type

    Picture courtesy of R. Moore, McKinney FD, TX, 2007


    Determine Type

    Picture courtesy of R. Moore, McKinney FD, TX 2005


    Determine Type

    Picture courtesy of Illinois Department of Transportation


    Determine Type

    Picture courtesy of R. Moore, McKinney FD, TX 2005


    • SummaryMODULE 5 INCIDENT CLASSIFICATION


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