Temporary Traffic Management
- Publication no: AGTTM04-26
- ISBN: 978-1-923617-02-5
- Published: 26 May 2026
- Edition: 1.2
- PDF (free) Download
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.
Download the supporting report
Austroads report AP-R765-26 documents content and referencing changes made in Edition 1.2 of the Austroads Guide to Temporary Traffic Management (AGTTM) Parts 1 through Part 7, Part 9 and Part 10, published in May 2026.
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Edition 1.2 published May 2026
Edition 1.2 contains:
- updated content relating to major changes in AGTTM Part 8
- updated requirements, including for truck mounted attenuators,signage, convoy vehicles and spacing
- minor amendments for clarity and consistency.
Superseded editions:
- 1. Introduction
- 1.1 Scope of Part 4
- 1.2 Structure of AGTTM
- 1.3 Heading discontinued from Edition 1.1
- 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 TTM 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 involve 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 and linemarking
- 3.8.11 Kerbside activities
- 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
- 4. AGTTM Feedback