AS 1742.3 2019 sets out requirements for the principles relating to devices used for the control of traffic for works on roads. It specifies the traffic control measures and devices to be used to warn, instruct, and guide road users in the safe negotiation of work sites on roads including unsealed roads and footpaths.
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Normative references
1.3 Terms and definitions
1.4 Responsibility for safety at work sites
2 Traffic management plans
2.1 General
2.2 Preparation of traffic management plans
3 Traffic guidance scheme
3.1 General
3.2 Preparation of traffic guidance schemes
3.3 Implementation of traffic guidance schemes
3.4 Creating a temporary speed zone
3.4.1 General
3.4.2 Requirements and recommendations
3.4.3 Duration
3.4.4 Advance warning of temporary speed zones (buffer zones)
3.4.5 Temporary speed zone
3.4.6 Temporary offset speed zones
4 Function, description and use of standard signs and devices
4.1 Functions of devices
4.2 Selection and use
4.2.1 General
4.2.2 Multi-message signs
4.2.3 Delineation
4.2.4 Night conditions
4.2.5 Adjustment to existing devices
4.2.6 Covering of signs and devices
4.2.7 Safety barriers
4.2.8 Vehicle size and load restrictions
4.3 Installation and removal
4.3.1 Condition of devices
4.3.2 Positioning of devices
4.3.3 Setting out of devices
4.3.4 Orientation of sign
4.3.5 Inspection
4.3.6 Public awareness
4.3.7 Removal
4.4 Format and size of signs
4.4.1 Format of signs
4.4.2 Retroreflective material
4.4.3 Sign sizes in the T Series (excludes multi-message signs)
4.4.4 Sign panel sizes in the TM Series (for use in multi-message sign frames)
4.5 Sign mountings
4.5.1 General
4.5.2 Multi-message sign frame
4.6 Signs and devices for work site approaches and departures
4.6.1 General
4.6.2 ROADWORK AHEAD (T1-1, TM1-1, T1-31), ROADWORK X km AHEAD (T1-16)
4.6.3 BRIDGEWORK AHEAD (T1-2, TM1-2), BRIDGEWORK X km AHEAD(T1-29)
