Performance Specification for Remote Controlled. Temporary Traffic Management Signs

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Draft TR 2603 Performance Specification for Remote Controlled Temporary Traffic Management Signs Summary Performance Specification for Remote Controlled Temporary Traffic Management Signs, for use on

1 Draft TR 2603 Performance Specification for Remote Controlled Temporary Traffic Management Signs Summary Performance Specification for Remote Controlled Temporary Traffic Management Signs, for use on the Highways England road network. This Performance Specification provides policy on the functionality and performance requirements for equipment, to minimise installation costs, minimise maintenance and replacement costs, ensure equipment safety, reliability and durability and improve road worker safety and road user safety. Instructions for Use This Performance Specification is to be implemented by all service providers with immediate effect. This Performance Specification supersedes TR 2603, which was issued on 10 December 2014 and is now withdrawn. This Performance Specification should be read in conjunction with TR 2620 Performance Specification for Remote Controlled Temporary Traffic Management Sign Control Systems. Page 1 of 12 Tues

2 Executive Summary ES1 Introduction Draft TR 2603 Performance Specification for Highways England introduced the Health and Safety 5 Year Plan in October 2015 with the overarching aim that no one should be harmed when travelling or working on the strategic road network. This means there is a continuing need to significantly reduce health & safety risks to employees, eliminating employee fatalities and serious injuries and significantly reducing employee personal injury accidents and near miss incidents. This Performance Specification, as part of the Traffic Technology Systems suite of documents, provides policy on the functionality and performance requirements for remote controlled Temporary Traffic Management (TTM) signs equipment, to minimise installation costs, minimise maintenance and replacement costs, ensure equipment safety, reliability and durability and improve road worker safety and road user safety. This Performance Specification is applicable to both fixed (post mounted) and portable (including trailer mounted and A frame mounted) remote controlled TTM signs. This Performance Specification is supplementary to (but does not replace any elements of) existing legislation and guidance documents relating to: traffic signs. temporary traffic management at road works. health, safety and wellbeing in the workplace. ES2 Recommendations This Performance Specification policy is to be implemented with immediate effect by all service providers. Page 2 of 12 Tues

3 Contents Section Page 1. Introduction 4 2. Functional Requirements 5 3. Optical Requirements 9 4. Electrical Requirements Interface Requirements Contacts Normative References Informative References 12 Page 3 of 12 Tues

4 1. Introduction Scope 1.1. Highways England introduced the Health and Safety 5 Year Plan in October 2015 with the overarching aim that no one should be harmed when travelling or working on the strategic road network. This means there is a continuing need to significantly reduce health & safety risks to employees, eliminating employee fatalities and serious injuries and significantly reducing employee personal injury accidents and near miss incidents This Performance Specification provides policy on the functionality and performance requirements for remote controlled Temporary Traffic Management (TTM) signs equipment, on the Highways England road network, to minimise installation costs, minimise maintenance and replacement costs, ensure equipment safety, reliability and durability and improve road worker safety and road user safety This Performance Specification is applicable to both fixed (post mounted) and portable (including trailer mounted and A frame mounted) remote controlled TTM signs This Performance Specification is supplementary to (but does not replace any elements of) existing legislation and guidance documents relating to: traffic signs. temporary traffic management at road works. health, safety and wellbeing in the workplace 1.5. This Performance Specification policy is to be implemented with immediate effect by all service providers. Approval 1.6. 'Road' in England or Wales is defined as 'any highway and any other road to which the public has access and includes bridges over which a road passes' (Road Traffic Act 1988 section 192 (1)). In Scotland, the definition is extended to include any way over which the public have a right of passage (Roads (Scotland) Act 1984 section 151(1)). In Northern Ireland, the definition prescribes a public road and any street, carriageway, highway or roadway to which the public has access (Road Traffic Regulation (Northern Ireland) Order 1997) In order that equipment supplied against this Performance Specification can be verified for compliance, against both this specification and appropriate legislation, the equipment or products should be registered with a recognised industry product registration system Within this Performance Specification document The Control System is defined as all components necessary to provide a complete operational system meeting the requirements of this document The performance of The Control System, as defined by this specification and in accordance with its intended use, shall be declared under the Declaration of Performance in accordance with the relevant British adopted European standard or European Technical Approvals or Assessments and Construction Products Regulation (EU) No 305/2011. The declared performance of the product shall meet the required performance of all the essential characteristics required by this specification. Declarations of performance required by the above regulation shall be provided to the Overseeing Organisation prior to installation or use or procurement or supply of The Control System. Page 4 of 12 Tues

5 1.10. The Control System shall be subject to the Code of Connection Procedure specified in MCH 1514 Code of Connection: Application process for Agency Project Sponsors, Suppliers and Maintainers. Mutual Recognition Mutual Recognition shall be in accordance with the requirements set out in TR 1000 Introduction to the Traffic Systems and Signing Registry. Implementation Controlling Authority s Control System means a device or software used to control and monitor The Product from a location not directly adjacent to The Product, such as a depot or control centre Operated Locally means the use of a device to control and monitor The Product from a location adjacent to The Product, such as the roadside Point to Point Communications means the direct communication between a control device and The Product without the use of a third party communications bearer. Glossary of Terms A comprehensive glossary of terms is given in Highways England document TA 84 Code of Practice for Traffic Control and Information Systems for All-Purpose Roads, which is supplemented in TR 2620, Section Functional Requirements 2.1. The Product must be a self-contained unit and shall comply with the appropriate Regulations and Directions in the Traffic Signs Regulations and General Directions 2016 (the TSRGD 2016) The Product must only be used at road works in accordance with the appropriate Regulations and Directions in the TSRGD 2016 and individual units shall be capable of displaying one or more of the following diagrams and their permitted variants: Sign diagram number Description 670 Maximum speed limit in miles per hour. 671 National speed limits apply Road works or temporary obstruction of the carriageway ahead Specified lanes of a dual carriageway closed to traffic ahead. Table 2.2 Page 5 of 12 Tues

6 2.3. Where required by the TSRGD 2016 and the Traffic Signs Manual, Chapter 8, The Product must also display the following supporting diagrams and their permitted variants: Sign diagram number Description 572 Distance ahead to hazard. 645 End of restriction or prohibition conveyed by associated sign. Table The supplier shall note that the devices may be implemented on carriageways employing between 2 and 5 lanes. At some dual carriageway locations there is a hard shoulder and at some dual carriageway locations there is no hard shoulder. Consideration should be given to the supply of devices with a range of display sizes, to allow the implementation of those permitted variants of diagram 7202, in accordance with Department for Transport signs authorisations, refer to Section 7. Operation and Timing Start up Sequence 2.5. Upon switch-on or restoration of power supply The Product must display the message requested by the control system If no message is requested then The Product must transition to or remain blank. Display 2.7. The initial message displayed to the road user when The Product is being set must be the message requested by the control system. Where this isn t possible, The Product must remain blank, then immediately set the message as requested by the control system The Product must take no longer than: 20 seconds for Electromechanical Products; or 1 second for Optoelectronic Products. to display a message, change the message being displayed or stop displaying a message When The Product is not operational the display must remain blank and appear black or grey. Power Supply Interruptions In the event of a power supply interruption to The Product equal to or less than 300ms The Product must continue to function correctly In the event of a power supply interruption to The Product greater than 300ms The Product must shutdown in a safe manner. On restoration of power supply The Product must follow the sequence specified in section 2.5. Reliability Electromechanical Products must have a failure rate of less than one in 1,250 operations. Page 6 of 12 Tues

7 2.13. An operation is defined as the setting, display and removal of the message from the display surface Optoelectronic Products must have an MTBF of at least 30,000hours A failure is defined as The Product s inability to: display the correct message when requested by the control system; or stop displaying a message when requested by the control system. Status and Fault Monitoring The Product must monitor the status of all display elements and provide a positive confirmation to the control system that a requested message has been successfully set The Product must monitor all utilised power sources and report their status to the control system The Product must monitor for faults and report them to the control system. Product elements to be monitored for faults include all of the following: communications. optoelectronic components. electromechanical components. control circuitry. power systems The Product must keep a log, in non-volatile form, of all faults that have occurred, including date and time stamped unique fault identification, for at least 28 days. The log must be retrievable and interrogatable both locally and by remote means. Fault Modes The Product must monitor its own operation and enter a safe mode within 100ms if it detects a critical fault condition A critical fault condition is defined as a fault which may either cause the display to activate at a time other than when requested by the control system or lead to a message being displayed that might be misinterpreted or incorrect. Construction The Product and its housing must meet the requirements of BS EN to the class designations shown in Table Page 7 of 12 Tues

8 External condition Class designation Temperature Ingress protection Corrosion Temporary deflections caused by bending Temporary deflections caused by dynamic snow loads Pollution T1 IP56 SP2 TBD1 DSL4 D2 Table For post mounted signs, The Product and its housing must meet the wind loading requirements of BS EN and the BS EN UK National Annex. A design guide for wind loading on post mounted signs is given in Section 7. Product Configuration The Product must allow local configuration of communications settings. Additional Requirements If The Product has the ability to rotate through 90 degrees, in either direction from its parked location about the vertical axis then rotation must be controlled as show in Table 2.25: Parameter Value Rotation 90 +/-1.0 degrees Maximum +/- 0.5 backlash degrees Table If provided, this rotation facility must be achieved using an electromechanical or equivalent actuator. In addition, the Product must comply with the following requirements: The rotation of the sign shall take no longer than 30 seconds from parked to operational, and vice versa. The rotation may include slow-start and slow-stop in order to minimise undue wear. Its operation must be monitored for status and faults, and these shall be reported to the control system in accordance with The reliability of this facility shall be in accordance with Clause The Product should normally include facilities to allow remote maintenance access to the sign in order to diagnose and resolve faults. Page 8 of 12 Tues

9 3. Optical Requirements General 3.1. The Product may incorporate retro-reflective or optoelectronic elements to achieve the functional requirements. Retro-reflective Elements 3.2. Retro-reflective elements must meet the requirements of BS EN and the UK National Annex to BS EN to the optical performance classes shown in Table 3.2. Photometric Parameter Daylight Chromaticity and Luminance Coefficient of Retroreflection Class CR1 RA2 Table 3.2 Optoelectronic Elements 3.3. Products making use of optoelectronic elements must conform to optical performance requirements shown in Table 3.3, as defined in BS EN Photometric Parameter Colour Luminance Luminance Ratio Beam Width Optical Performance C2 L3 R3 B3 Table The colours permitted for use are yellow, white and red, as required to meet Clause 2.2 and 2.3 of this document, as defined in BS EN Dimming 3.5. Not precluding the requirements of BS EN , The Product must provide two levels of luminance, with the Dim used at ambient light level of less than 390lx and Bright being used at values of 390lx and above The Product must be configurable to allow luminance levels to be set by either the sign or the control system. Page 9 of 12 Tues

10 4. Electrical Requirements Draft TR 2603 Performance Specification for 4.1. Where The Product is not powered from a mains supply, it must incorporate a power source with sufficient capacity to operate, without external power for a minimum of 18 hours, to ensure road worker safety and road user safety Any battery back-up arrangements employed must be such that the recovery time T R is less than five times the back-up time T B, where: T B is the maximum time for which the battery back-up arrangements are required to support autonomous operation; T R is the time taken for the battery back-up arrangements to recharge from a point where autonomous operation has occurred for a period equal to T B to a point where the battery back-up arrangements are capable of supporting autonomous operation for a period of at least 80% of T B T B is as per Clause The change over between power sources must not interfere with the operation of The Product, given the restrictions of Clauses 2.10 and 2.11 above Where battery back-up is provided, The Product must include the facility to re-charge the back-up battery using external energy generation The re-charging facility must form part of The Product s power system and must be status monitored as per Clause Additional Options and Requirements 4.7. The Product may operate from a mains power supply, in doing so it must comply with the requirements of BS Interface and Communications Requirements 5.1. The Product must be communicated with by means of either wired or wireless communication bearers or both Where The Product is operated by a control system located in the Controlling Authority s premises then Clauses 5.3 to 5.6 apply The Product must incorporate an interface to allow connectivity with a control system The Product must be compliant with UTMC TS Data exchange with the control system must be achieved using the VMS MIB (UM/003) as defined in UTMC TS The Product must use a NRTS service to connect to the Controlling Authority's control system. These services will be a NRTS Service Category 8 wired connection, or NRTS SIM based provision for wireless connection. Exact connectivity services must be agreed with NRTS Where The Product is portable and operated locally, then a point to point communications system may be used. Page 10 of 12 Tues

11 6. Contacts Further information may be obtained from: XX XX, Operational Development Division, Professional & Technical Solutions, Highways England, Temple Quay House, 2 The Square, Temple Quay, Bristol, BS1 6HA. Tel: xxxx. Standards_Enquiries@highwaysengland.co.uk 7. Normative References Where undated references are listed, the latest issue of the publication applies British Standards Documents published by The British Standards Institution. BS 7671 BS EN Requirements for Electrical Installation. Fixed, Vertical Road Traffic Signs, including the UK National Annex to BS EN BS EN Road Vertical Sign - Variable Message Traffic Signs, including the UK National Annex to BS EN BS EN BS EN BS EN Electromagnetic Compatibility Road Traffic Signal Systems Product Standard. Environmental testing. Test methods. Environmental testing procedures. Degrees of Protection Provided by Enclosure IP Code Highways England Policy Documents and Specifications Documents published by Highways England. TR 2130 TRG 0600 Environmental Tests for Motorway Communications Equipment and Portable and Permanent Road Traffic Control Equipment. Self-Certification Procedures for Statutory Approval of Traffic Control Equipment. Page 11 of 12 Tues

12 MCH1514 Code of Connection: Application process for Agency Project Sponsors, Suppliers and Maintainers. TA 84/06 Code of Practice for Traffic Control and Information Systems for All-Purpose Roads Legislation Road Traffic Act Roads (Scotland) Act Road Traffic Regulation (Northern Ireland) Order The Traffic Signs Regulations and General Directions 2016 (SI 2016 No. 362). Directive 2004/108/EC has been repealed by Directive 2014/30/EU on 20 April Electromagnetic Compatibility. The Electromagnetic Compatibility Regulations 2006 (SI 2006 No. 3418). Directive 2006/95/EC has been repealed by Directive 2014/35/EU on 20 April Electrical Equipment Safety. The Electrical Equipment (Safety) Regulations 1994 (SI 1994 No. 3260). Regulation EU No. 305/2011 Construction Products Informative References Where undated references are listed, the latest issue of the publication applies. IAN 180/14 Guidance for the selection of remote controlled temporary traffic management signs for use on the Highways Agency trunk road and motorway network. Sign Structures Guide. Support Design For Permanent UK Traffic Signs There is currently no Highways England design guide for wind loading on trailer mounted signs, or wind loading on A frame mounted signs. Department for Transport signs authorisations. Page 12 of 12 Tues

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