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Temporary Traffic Management

Cover of Guide to Temporary Traffic Management Part 4: Mobile Works
Guide to Temporary Traffic Management Part 4: Mobile Works
  • Publication no: AGTTM04-21
  • ISBN: 978-1-922382-94-8
  • Published: 13 September 2021
  • Edition: 1.1

Guide to Temporary Traffic Management Part 4: Mobile Works has been prepared to assist with mobile worksites, in accordance with Austroads best practice. It provides general information about the context and components of designing temporary traffic guidance schemes at mobile worksites.

Watch the video below for an overview of Part 4.

Edition 1.1 contains additional information regarding recommended sight distances for static signs to support mobile works convoy, works involving side streets, signalised intersections, freeway on-ramps and off-ramps and correction to errors in some diagrams and figures.

  • 1. Introduction
    • 1.1 Purpose
    • 1.2 Structure of AGTTM
    • 1.3 Scope of Part 4
    • 1.4 Application of Part 4 to New Zealand
    • 1.5 Definitions
  • 2. Design Process
    • 2.1 General
    • 2.2 Risk Assessment
      • 2.2.1 Risk considerations
    • 2.3 Design Steps
    • 2.4 Design Balance
    • 2.5 Essential Design Principles
      • 2.5.1 Worksite layout
      • 2.5.2 Sight distance
      • 2.5.3 Signs
      • 2.5.4 Road categories
      • 2.5.5 Traffic volume
      • 2.5.6 Speed
      • 2.5.7 Variations to design
  • 3. TGS Design for Mobile Works
    • 3.1 General
    • 3.2 Activities
      • 3.2.1 Class 1
      • 3.2.2 Class 2
      • 3.2.3 Class 3
    • 3.3 Step 1 – Confirm the Works can be Defined as Mobile Works
    • 3.4 Step 2 – Identify the Works Location
    • 3.5 Step 3 – Determine the Needs of the Works Convoy
      • 3.5.1 Lead vehicle
      • 3.5.2 Work vehicle
      • 3.5.3 Shadow vehicle
      • 3.5.4 Advance warning vehicle
      • 3.5.5 Vehicle positioning
    • 3.6 Step 4 – Determine the Works Convoy Spacing
    • 3.7 Step 5 – Determine the Signs and Devices to Use
      • 3.7.1 Advance warning
      • 3.7.2 Signs mounted on vehicles
      • 3.7.3 Works within a shoulder
      • 3.7.4 Works within a lane
      • 3.7.5 Works involving side street, signalised intersection, freeway on-ramp or off-ramp
    • 3.8 Step 6 – Identify the Operational Procedures to be Followed
      • 3.8.1 Reduced sight distance
      • 3.8.2 Signs
      • 3.8.3 Advance warning
      • 3.8.4 Mobile temporary speed zone
      • 3.8.5 Workers on foot
      • 3.8.6 Work convoy arrangements
      • 3.8.7 Maintaining traffic flow
      • 3.8.8 Communication
      • 3.8.9 Pedestrians and cyclists
      • 3.8.10 Road marking & line marking
      • 3.8.11 Kerbside collection and street sweeping
      • 3.8.12 Rolling blocks
      • 3.8.13 Unsealed roads
    • 3.9 Step 7 – Design the Traffic Guidance Scheme and Document the Notes for Field Staff
Related publications
Guide to Temporary Traffic Management Part 5: Short Term Low Impact Worksites
AGTTM05-21
Guide to Temporary Traffic Management Part 6: Field Staff – Implementation and Operation
AGTTM06-21
Guide to Temporary Traffic Management Part 3: Static Worksites
AGTTM03-21
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