Specifies requirements for the design, construction and performance of three-colour portable traffic signal systems for use where temporary control of vehicular traffic is required, such as at roadworks or bridge works.
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Referenced documents
1.3 Definitions
1.4 Radio power and frequency licensing requirements
1.5 Trailers
1.6 Surface finishes
1.7 Instructions
1.8 Marking
2 Operational requirements
2.1 Control types
2.2 Modes of operation
2.3 Start-up sequence
2.3.1 Initial start-up
2.3.2 Fixed-time and vehicle-actuated modes of operation
2.3.3 Manual mode of operation
2.4 Start-up interlocks
2.5 Manual operation
2.6 Fixed-time operation
2.7 Vehicle-actuated operation
2.7.1 General
2.7.2 Vehicle detector actuations
2.7.3 Minimum green time
2.7.4 Maximum green time
2.7.5 All-red interval
2.7.6 Green extensions
2.7.7 Maximum reversion
2.8 Flashing yellow operation
2.8.1 Required operation
2.8.2 Conditions for automatic operation
2.8.3 Automatic restart facility
2.9 Sequence and timing of signal displays
2.9.1 Sequence
2.9.2 Timing
2.10 Monitoring and control
3 Functional requirements
3.1 General
3.2 Operator interface
3.2.1 Master controller
3.2.2 Slave controller
3.3 Visual monitors
3.3.1 Master controller
3.3.2 Lantern monitor
3.4 Lamp monitoring
3.5 Access to control and monitoring functions
3.6 Remote manual control facilities
4 Lanterns
4.1 General
4.2 Lantern type and performance
4.3 Aiming and adjustment
4.4 Target boards
4.5 Visors
5 Vehicle detection
5.1 General
5.2 Detection zone
5.3 Detection speed
5.4 Presence detection
5.5 Aiming and adjustment (for post-mounted detectors)
