The European Rail Traffic Management System (ERTMS) is an initiative backed by the European Union to enhance cross-border interoperability and the procurement of signalling equipment by creating a single Europe-wide standard for train control and command systems.
Its main components are the European Train Control System (ETCS) and the GSM-R communications system. [1] ETCS is a standard for track-train radio communications using balises (Eurobalises) and associated in-cab train control, [2] while GSM-R is the GSM mobile communications standard for railway operations. ERTMS can operate at different levels depending on specific local requirements. [3] [4] [Note 1] Under ERTMS speeds are displayed in the driver's cab in km/h and at Level 2, lineside speed indicators are optional. [5]
In 2007 the British Government published its response to a European Union directive requiring the use of ERTMS on High Speed (TEN-R) and Conventional Trans-European Railway Network (TEN) routes. [6] [7] The response proposed a roll-out plan of ERTMS equipment on existing lines that would be completed by 2044, though the actual timing of the programme will depend on changing circumstances. New trains would be ordered with ERTMS equipment on board and ERTMS would be installed during any electrification programs. [8] In 2009, the Rail Safety & Standards Board confirmed that km/h would be used on ERTMS lines in the United Kingdom. [9] With the ongoing introduction of ERTMS, it is foreseen that the metrication of British rail transport will be completed over the next few decades. [10]
The Uff/Cullen inquiry in 2001, following the Southall and Ladbroke Grove rail crashes, identified a need for in-cab signalling on high-speed trains, and recommended that ERTMS should be installed onto all of Britain's high-speed lines by the year 2010. However, this timescale was not viable because of the time required to develop the technology. [11]
The Cambrian Line, a low volume 215 km (134 mi) rail link between Shrewsbury in the east and Aberystwyth and Pwllheli in the west, was chosen as Britain's first ERTMS line. This line was chosen as its signalling system had reached the end of its useful life, and because it is a low capacity line almost separate from the national network, making it an ideal site on which to gain ERTMS experience. [8] [12] All speeds in the Cambrian Line Rule book are in km/h. [13] [14] ERTMS will be rolled out as part of the 21st-century modernisation of the Great Western Main Line, [15] which was expected [Note 2] to reach Oxford and Newbury by 2016 and Cardiff by 2017. [16] As of January 2020, electrification had reached Cardiff. [17]
In February 2016, Network Rail announced that it was considering a trial of ERTMS on the Wherry Lines from Norwich to Lowestoft and Great Yarmouth in East Anglia. [18] The new signalling was introduced in February 2020 however the equipment, while compatible with ETCS in the future, was of a traditional design. [19] [20]
Line | Status / Date | ERTMS level | Notes |
---|---|---|---|
Cambrian Line [21] | Live 2011 | Level 2 | |
Thameslink Core [22] [23] | Live | Level 2 | Automatic train operation (ATO) works on top of ECTS |
Crossrail (Western section Heathrow to Great Western Mainline) [24] [25] | Live 2020 | Level 2 | ECTS overlay over existing signally planned Paddington to Airport Junction (i.e. where the Heathrow link leaves the Great Western Mainline) |
Heathrow Express (Tunnel Section) | Live 2020 | Level 2 | ETCS currently in operation in the tunnel section only. Expansion onto the mainline to Ealing Broadway is expected before the end of 2023 |
Northern City Line (Moorgate to ECML Finsbury Park) [26] [27] [28] | Testing. Due June 2024 [29] | Level 2 | Connected to the larger ECML project above (trains using the Northern City Line run on to the ECML). Expected to be fully live by 2024, with the first revenue service running 27 November 2023. [30] |
ECML South (Kings Cross to Peterborough) [31] [32] | Planned (2030s) | Level 2 | Expected to be operational 'early 2030s' [33] Tranche 2 (Welwyn to Hitchin Overlay) July 2025 Tranche 4 (full roll-out) December 2029 [29] |
High Speed 2 | Planned (2029–2033) | Level 2 |
Other early mainline conversions to the ERTMS standards are expected to include 251 km (156 mi) of the East Coast Main Line from London Kings Cross to Doncaster and 158 km (98 mi) of the Midland Main Line from London St Pancras to Leicester. [8] [34] [35] The specification for High Speed 2 from London to Birmingham (previously Manchester and Leeds) assumes a minimum of Level 2 ERTMS control and signalling from day one of operations. [36]
After the Wherry Lines trial, a nation-wide rollout of ERTMS was planned. This upgrade would be carried out in stages, with each of the twelve Rail Operating Centres being upgraded at different times. [18]
A standard feature of the speedometers used by ERTMS/ETCS systems is the use of the metric system. [37] At a Railway Conference in 2002, it was argued that a changeover to using metric units for speed in advance of the introduction of ERTMS was unlikely to be financially viable unless the decision is taken to adopt Level 2 ERTMS without lineside signalling. There would however still be a need to handle both mph and km/h in driver cabs. [5] A 2010 voluntary standards document published by the Rail Safety & Standards Board addressed this issue when it recommended that the speedometer of a ETCS system be designed so that it switches automatically between mph and km/h depending on the route being traversed. The speedometer would display "mph" when the speedometer was displaying "miles per hour", otherwise would display nothing. Its graduations would be chosen such that the angle of the needle would not change when the system switched from one scale to the other. The conversion between metric and imperial units would be a function of the speedometer, not of any other on-board equipment. [38] In 2012 a technical specification matching this proposal was published. [39]
The East Coast Main Line (ECML) is a 393-mile long (632 km) electrified railway between its southern terminus at London King's Cross station and Edinburgh Waverley via Peterborough, Doncaster, York, Darlington, Durham and Newcastle. The line is a key transport artery on the eastern side of Great Britain running broadly parallel to the A1 road. The main line acts as a 'spine' for several diverging branches, serving destinations such as Cambridge, Leeds, Hull, Sunderland and Lincoln, all with direct services to London. In addition, a few ECML services extend beyond Edinburgh to serve Glasgow Central, although the principal London-Glasgow route is the West Coast Main Line (WCML).
A balise is an electronic beacon or transponder placed between the rails of a railway as part of an automatic train protection (ATP) system. The French word balise is used to distinguish these beacons from other kinds of beacons.
GSM-R, Global System for Mobile Communications – Railway or GSM-Railway is an international wireless communications standard for railway communication and applications.
Automatische TreinBeïnvloeding or ATB is a Dutch train protection system first developed in the 1950s. Its installation was spurred by the Harmelen train disaster of 1962.
The Cambrian Line, sometimes split into the Cambrian Main Line and Cambrian Coast Line for its branches, is a railway line that runs from Shrewsbury, England, westwards to Aberystwyth and Pwllheli in Wales. Passenger train services are operated by Transport for Wales Rail between the western terminals of Pwllheli, in Gwynedd, and Aberystwyth, in Ceredigion, and the eastern terminal at Shrewsbury, Shropshire, as part of the Wales & Borders franchise. The railway line is widely regarded as scenic, as it passes through the Cambrian Mountains in central Wales, and along the coast of Cardigan Bay in Snowdonia National Park.
The European Train Control System (ETCS) is a train protection system designed to replace the many incompatible systems used by European railways, and railways outside of Europe. ETCS is the signalling and control component of the European Rail Traffic Management System (ERTMS).
The rail transport system in Denmark consists of 2,633 km of railway lines, of which the Copenhagen S-train network, the main line Helsingør-Copenhagen-Padborg, and the Lunderskov-Esbjerg line are electrified. Most traffic is passenger trains, although there is considerable transit goods traffic between Sweden and Germany.
Banedanmark is a Danish company that is responsible for the maintenance and traffic control on all of the state owned Danish railway network.
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Transmission Voie-Machine is a form of in-cab signalling originally deployed in France and is mainly used on high-speed railway lines. TVM-300 was the first version, followed by TVM-430.
The signalling system used on the standard-gauge railway network in Sweden is based on that of the traditional mechanical semaphore signals. Currently only colour-light signals are used, together with the Ansaldo L10000 Automatic Train Control system.
Resonate Group Limited is a British software, technology and services company. Prior to September 2016, it was called DeltaRail Group Limited.
The European Rail Traffic Management System (ERTMS) is the system of standards for management and interoperation of signalling for railways by the European Union (EU). It is conducted by the European Union Agency for Railways (ERA) and is the organisational umbrella for the separately managed parts of
A Eurobalise is a specific type of a balise installed between the rails of a railway. Eurobalises are part of the European train control system (ETCS). The balises are pre-programmed and contain information that is read by train antennas. One of their many functions is to allow a train to determine its location.
The Bologna–Florence high-speed railway is a link in the Italian high-speed rail network. It is part of Corridor 1 of the European Union's Trans-European high-speed rail network, which connects Berlin and Palermo. Full commercial operations commenced on 5 December 2009. High-speed passenger trains take 37 minutes over the route compared to about 59 minutes previously.
The Madrid–Barcelona high-speed rail line is a 621-kilometre (385.9 mi) standard gauge railway line inaugurated on 20 February 2008. Designed for speeds of 350 km/h (217.5 mph) and compatibility with neighbouring countries' rail systems, it connects the cities of Madrid and Barcelona in 2 hours 30 minutes. In Barcelona the line is connected with the Perpignan–Barcelona high-speed rail line leading into France which connects it to the European high speed network.
Transmission balise-locomotive is a train protection system used in Belgium and on Hong Kong's East Rail line.
The Chinese Train Control System is a train control system used on railway lines in People's Republic of China. CTCS is similar to the European Train Control System (ETCS).
France has a large network of high-speed rail lines. As of June 2021, the French high-speed rail network comprises 2,800 km (1,740 mi) of tracks, making it one of the largest in Europe and the world. As of early 2023, new lines are being constructed or planned. The first French high-speed railway, the LGV Sud-Est, linking the suburbs of Paris and Lyon, opened in 1981 and was at that time the only high-speed rail line in Europe.
ERTMS Regional is a simplified and low-cost variant of the European Rail Traffic Management System suitable for train control on lines with low traffic volumes. It is intended to reduce the amount of lineside and equipment required, thus reducing costs, increasing reliability and improving safety for track workers.
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