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MRTS
MRTS262
MRTS
Current
MRTS262 Transportable Variable Message Signs – Technical Specification
Department of Transport and Main Roads · March 2025
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Official source ↗
Pages
75
Sections
109
Searchable sentences
717
Status
Current
Contents
Copyright
p. 2
Licence
p. 2
CC BY licence summary statement
p. 2
Translating and interpreting assistance
p. 2
Disclaimer
p. 2
Feedback
p. 2
1
Introduction
p. 6
2
Definition of terms
p. 6
3
Reference documents
p. 8
4
Quality system requirements
p. 9
4.1
Hold Points, Witness Points and Milestones
p. 9
4.2
Samples for acceptance
p. 9
4.3
Warranty
p. 10
5
Operational requirements
p. 10
5.1
Key TVMS components and function
p. 10
5.2
General operation
p. 10
5.3
Control methods
p. 11
5.4
Safety requirements
p. 11
6
Mechanical, physical, enclosure and mounting requirements
p. 11
6.1
General
p. 11
6.2
Design life
p. 11
6.2.1
General mounting requirements
p. 11
6.2.2
Vehicle mounts
p. 12
6.2.3
Trailer mounts
p. 12
6.2.4
Concrete block mounts
p. 12
6.3
Exterior finish and surfaces
p. 12
6.4
Front cover
p. 12
6.4.1
Design
p. 12
6.4.2
Retention method
p. 12
6.5
Condensation prevention
p. 13
6.6
Enclosures
p. 13
6.6.1
Display enclosure
p. 13
7
Electrical requirements
p. 13
7.1
Portable signs
p. 13
7.2
Fixed signs
p. 13
8
Telecommunications requirements
p. 14
8.1
Local site communications
p. 14
8.1.1
Between CU and LED display
p. 14
8.1.2
Between configuration software (locally, for example, on laptop) and CU
p. 14
8.1.3
Between CU(s) and handheld SRD(s)
p. 14
8.2
Remote site communications
p. 14
8.2.1
Between CU and RSCS
p. 14
8.2.2
CU and SMS notification system
p. 15
8.3
Communications timeout
p. 15
8.4
CU communications ports
p. 15
8.4.1
Maintenance communication port
p. 15
8.4.2
Control communications port
p. 15
8.5
Labelling and identification
p. 16
8.5.1
CU ID
p. 16
8.5.2
SRD ID
p. 16
9
Control Unit (CU) requirements
p. 16
9.1
General
p. 16
9.2
Permissible message types
p. 17
9.3
Message display time
p. 18
9.4
Watchdog
p. 18
9.5
Global Positioning System (GPS)
p. 18
9.6
Directional compass capability
p. 18
9.7
Handheld short-range device (SRD)
p. 18
9.8
Local Facility Switch (LFS)
p. 19
9.8.1
Blank / maintenance mode
p. 19
9.8.2
NORMAL mode
p. 20
9.8.3
3 message modes
p. 20
9.9
Hardwired inputs
p. 20
9.10
Communication protocol
p. 20
9.11
Bus arbitration
p. 20
9.12
Message hierarchy
p. 20
9.13
Sign monitoring and logs
p. 20
9.13.1
Turning motion sensor
p. 21
9.13.2
Power system monitoring
p. 21
9.13.3
LED intensity control
p. 22
9.13.4
Temperature control
p. 22
9.14
Critical faults
p. 22
9.15
Alarms
p. 23
10
Software requirements
p. 23
10.1
General software user interface and access security
p. 23
10.2
Remote Sign Control System (RSCS) software
p. 23
10.3
TVMS configuration software
p. 24
10.4
Control / diagnostics software
p. 24
10.5
Configuration management
p. 24
10.5.1
CU configuration
p. 24
10.5.2
Software program configuration
p. 25
11
Variable message display requirements
p. 25
11.1
General
p. 25
11.2
Failures
p. 25
11.3
LED output
p. 25
11.4
Character and graphical display formats
p. 26
11.4.1
Display Unit (DU) Requirements
p. 26
11.5
Display fonts
p. 26
11.6
Display changes
p. 26
11.7
Fallback displays
p. 26
11.8
Optical performance
p. 26
11.8.1
Luminance
p. 26
11.8.2
Display colour
p. 27
11.8.3
LED dimming
p. 27
11.8.4
Luminance intensity half angle
p. 27
11.8.5
Luminance intensity uniformity
p. 27
11.8.6
Sun phantom
p. 27
12
Documentation requirements
p. 28
12.1
Operations and maintenance manual
p. 28
13
Testing, commissioning and configuration requirements
p. 28
14
Training requirements
p. 28
15
Maintenance requirements
p. 28
16
Handover requirements
p. 28
17
Product approval
p. 29
Appendix A
Referenced variables and default settings
p. 30
Appendix B
Type approval compliance checklist
p. 31
9
Control unit (CU) requirements
p. 46
12
Documentation requirements
p. 73
13
Testing, commissioning and configuration requirements
p. 73
