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As a result of UK railway privatisation in the mid-1990s, British Rail
Research was bought by AEA Technology Rail, who took over the supply of new IECCs, support for the existing installed base, and enhancements to the hardware and software. In 2006, the AEA rail business became DeltaRail (now called
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in 1988) for further operational IECC systems involving the supply of turnkey hardware and software. These included the first IECC to go live at
Liverpool Street in Easter 1989 quickly followed by York. In September 2020 the original Liverpool Street IECC was replaced with a new IECC Scalable system.
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The solution used off-the-shelf microcomputer technology (Motorola 68000 microprocessors and VME Bus) to host the sub-systems of IECC in high availability configurations linked via a duplicated Nine Tiles
Superlink local area network. Subsequent contracts were let to CAP Group (became
120:, including the supply of a complete system for Yoker (Glasgow) and the ARS for the Waterloo area. This was the first time a software house became involved in railway signalling after competing against the main incumbent suppliers of GEC-General Signal and Westinghouse Signals Ltd.
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which replicates all the functionality of the original IECC on a modern hardware platform and software architecture. Following a successful six-month trial at
Swindon B in 2012, IECC Scalable is now the standard for new installations, starting with Cambridge where it controls the
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1001:
These systems (WestCAD, Westinghouse
Control and Display; GE MCS, General Electric Modular Control System) which are already in existence, are planned to be upgraded when the supplier's version of ARS has received Network Rail
466:
The following installations are not true IECCs of the BR/SEMA/DeltaRail design. They are VDU based signalling control systems with a similar "look and feel" but in most cases they do not incorporate
Automatic Route
470:
Some locations shown below are interim installations which will eventually move into larger signalling control centres, such as
Leamington and Madeley, which in time will move to the West Midlands Signalling
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contains a full list of IECC and other signalling workstations (also interlockings and panels) on the UK main line
Network, including those that are not listed above because they are no longer in service.
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Marks Tey - Manningtree, Colchester - Alresford, Alresford - Clacton/Walton-on-the-Naze, Westerfield - Felixstowe*, Brundall - Great
Yarmouth/Buckenham*, Buckenham - Lowestoft + Oulton Broad South*.
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Jewellery
Quarter to Warwick/Stratford-upon-Avon via Birmingham Snow Hill and Brandon/Milverton to Hampton-in-Arden/Three Spires Jn, Wolverhampton North Jn (excl.) to Bilbrook
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Great Western main line from London Paddington to Bristol Parkway and Temple Meads, Swindon and branches, plus Didcot to Oxford, and Reading to Westbury (exclusive).
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based signalling control system in the UK, with over 50 workstations in control centres that manage many of the most complex and busy areas of the network.
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New generation signalling control centre Beady, F.F.; Bartlett, P.J.N. Main Line Railway Electrification, 1989., International Conference
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with VDU/LCD displays which depict the control area and is semi-automatic using Automatic Route Setting (ARS) – a computer-based
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IECCs were developed as an alternative to the traditional switch or button panel control, which in turn replaced mechanical
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also Three Spires Junction (exclusive) to Nuneaton, Arley Tunnel to Hinckley (exclusive) and Brandon to Rugby.
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A contract for the development of an operational standard system was let in January 1987 to
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Nottingham, Trent & Burton Workstations now have Hitachi ICS TREsa (ARS+) commissioned.
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Signalling Control Centres Today and Tomorrow, Mitchell, I.H., IRSE Proceedings 2002-3
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Formerly controlled Hunsbury Hill (exclusive) to Hillmorton Junction (exclusive) via
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which has been resignalled on the "modular signalling" concept for secondary routes.
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Stafford Workstation: Penkridge / Milford & Brockton - Basford Hall (exclusive)
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centres, although variations exist around the world. It is the most widely deployed
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in Derby during the 1980s, and in particular the initial software for ARS and SSI.
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As of 2/4/2017, Yoker IECC has been converted to GE MCS with Hitachi ICS TREsa
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Severn Tunnel Workstation (Severn Tunnel to Pilning and Awre) ∞
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IECC trackerball and associated buttons used for route setting
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354:/Stansted North Junction/Stansted Airport and branches
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Yes/No (Workstations marked with (*) do not have ARS)
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Ely to Norwich (exclusive of junctions at either end)
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Hitachi Information Control Systems Europe web site
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836:Shrewsbury North (Shrewsbury - Gresty Lane) ∞ ¤ ៛
1071:offers free IECC simulations for private home use
826:East Usk Workstation (East Usk - Severn Tunnel) ∞
822:Ebbw Workstation (Newport - Cardiff Long Dyke) ∞
624:Control transferred to Rugby SCC on 3 June 2012
338:Liverpool Street SDC (Service Delivery Centre)
834:Cardiff Main (Cardiff Long Dyke - Leckwith) °
665:between Kings Langley (exclusive) and Armitage
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687:South Hampstead to Watford Junction DC Lines
155:List of IECCs in service as of 9 January 2024
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1408:Interoperable Communications Based Signaling
1064:YouTube: Ashford resignalling TV News report
1343:Automatic Train Protection (United Kingdom)
193:. Unsourced material may be challenged and
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824:Newport Workstation (Newport - East Usk) ∞
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801:Abercynon to Merthyr Tydfil and Aberdare
213:Learn how and when to remove this message
109:The concept of IECC was developed at the
48:) was developed in the late 1980s by the
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832:Cardiff Valley (Cardiff Bay - Rhymney) °
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63:IECC consists of a number of operator’s
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71:driven from a pre-programmed timetable
681:Wembley Mainline Suburban Workstation
1818:British Rail research and development
1468:Train Protection & Warning System
1075:The British Power Signalling Register
27:British railway signalling technology
7:
1201:Integrated Electronic Control Centre
191:adding citations to reliable sources
42:Integrated Electronic Control Centre
1463:Train automatic stopping controller
1383:Continuous Automatic Warning System
1143:Communications-based train control
907:Oulton Broad South - Westerfield.
82:. From the start, they controlled
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422:London, Tilbury and Southend line
869:Highbury & Islington station
740:West Midlands Signalling Centre
391:Thames Valley Signalling Centre
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1625:Westinghouse Brake & Signal
1388:Contrôle de vitesse par balises
1254:North American railroad signals
712:(except Stafford station area)
330:Harrogate to Leeds (exclusive)
1483:Transmission balise-locomotive
1448:Sistema Controllo Marcia Treno
1358:Automatische treinbeïnvloeding
1244:Application of railway signals
514:East Midlands Control Centre,
50:British Rail Research Division
1:
1433:Punktförmige Zugbeeinflussung
1153:European Train Control System
758:West of Scotland ROC (WSROC)
1373:Chinese Train Control System
1163:Radio Electronic Token Block
871:to New Cross/New Cross Gate
1138:Centralized traffic control
1054:Resonate Group Ltd web site
925:Glasgow North suburban area
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1823:Railway signalling control
1338:Automatic train protection
896:VICOS (Siemens SIMIS - W)
862:Signalling Control Centre
656:Signalling Control Centre
509:VICOS (Siemens SIMIS - W)
1630:Westinghouse Rail Systems
1488:Transmission Voie-Machine
1333:Automatic train operation
1285:Track circuit interrupter
1133:Automatic block signaling
1128:Absolute block signalling
99:Westinghouse Rail Systems
84:Solid State Interlockings
1428:Pulse code cab signaling
1353:Automatic Warning System
1259:Railway semaphore signal
1221:Solid State Interlocking
838:Port Talbot - Swansea ∞
111:Railway Technical Centre
1328:Automatic train control
819:1 CCTV crossing keeper
400:1 CCTV crossing keeper
348:Great Eastern Main Line
18:Automatic Route Setting
1504:Level crossing signals
1423:Positive Train Control
1418:Linienzugbeeinflussung
1148:Direct traffic control
854:Remote Westrace Int ¤
142:), who have developed
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1216:Rail operating centre
1178:Train order operation
1173:Track Warrant Control
809:1 x SSI Interlocking
586:Fenny Stratford (nr.
561:Madeley (Shropshire)
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1348:Automatic train stop
784:Llanharan to Baglan
663:West Coast Main Line
447:East Coast Main Line
299:East Coast Main Line
187:improve this section
69:route setting system
1188:Signalling control
1112:Railway signalling
949:North Lincolnshire
394:10 (all Scalable)
352:Bishop's Stortford
303:Berwick-upon-Tweed
133:Later developments
97:contractors, e.g.
54:railway signalling
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814:Wales ROC (WROC)
609:Power Signal Box
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440:3 (all Scalable)
426:North London line
415:3 (all Scalable)
341:5 (all Scalable)
292:5 (all scalable)
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1560:General Electric
1497:Crossing signals
1378:Cityflo 650 CBTC
1300:Train protection
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1018:
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986:
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963:Finsbury Park
959:Middlesbrough
944:
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848:7 x WestCad ∞
847:
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503:Dorset coast
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481:Workstations
480:
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459:
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455:Northallerton
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397:14 signalling
396:
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369:
367:1 (Scalable)
366:
364:
361:
360:
356:
353:
349:
346:
343:
340:
337:
336:
332:
329:
326:
324:1 (Scalable)
323:
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234:Workstations
233:
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182:
181:
177:
172:This section
170:
166:
161:
160:
154:
152:
150:
145:
144:IECC Scalable
141:
132:
130:
127:
121:
119:
114:
112:
105:Early history
104:
102:
100:
96:
91:
89:
85:
81:
76:
74:
70:
66:
61:
59:
55:
52:for UK-based
51:
47:
43:
34:
30:
19:
1620:Union Switch
1524:Wayside horn
1368:Catch points
1275:Axle counter
1206:Interlocking
1200:
1158:Moving block
1035:
1026:
1007:
985:
951:Huddersfield
850:3 x GE MCS °
778:Port Talbot
710:Macclesfield
704:Armitage to
667:
621:
579:Marston Vale
465:
453:to north of
399:
305:to south of
261:High Speed 1
209:
200:
185:Please help
173:
136:
122:
115:
108:
92:
88:interlocking
80:lever frames
77:
65:workstations
62:
45:
41:
39:
29:
1782:Switzerland
1757:New Zealand
1752:Netherlands
1458:Slide fence
1211:Lever frame
961:Kings Cross
901:Saxmundham
617:Northampton
496:Bournemouth
273:1 scalable
1807:Categories
1690:By country
1473:Train stop
1438:RS4 Codici
1196:Block post
1019:References
965:Wood Green
957:Hartlepool
795:Abercynon
636:Rugby ROC
594:St. Johns
490:Equipment
412:Upminster
363:Marylebone
321:Harrogate
270:Cambridge
126:Sema Group
95:signalling
1697:Australia
1550:AŽD Praha
1509:Crossbuck
1413:Crocodile
1002:approval.
947:Rotherham
945:Sheffield
588:Bletchley
478:Location
451:Doncaster
288:Edinburgh
228:Location
174:does not
118:CAP Group
101:WESTCAD.
1787:Thailand
1595:Safetran
1585:Magnetic
1570:Griswold
1519:E-signal
975:WestCAD
969:Hitchin
938:York ROC
877:WestCAD
790:WestCAD
753:WestCAD
693:WestCAD
648:WestCAD
631:WestCAD
573:WestCAD
556:WestCAD
531:WestCAD
467:Setting.
436:York ROC
73:database
1732:Germany
1722:Finland
1707:Belgium
1702:Bavaria
1605:Siemens
1580:Hitachi
1555:Federal
1540:Adtranz
1443:SelTrac
1290:Treadle
1236:Signals
967:Langley
953:Halifax
932:GE MCS
913:GE MCS
807:WestCad
773:GE MCS
735:GE MCS
718:GE MCS
676:GE MCS
605:Former
600:GE MCS
592:Bedford
549:Warwick
545:Banbury
471:Centre.
382:Banbury
246:Ashford
195:removed
180:sources
1777:Sweden
1772:Poland
1767:Norway
1737:Greece
1727:France
1712:Canada
1615:Thales
1545:Alstom
1514:Wigwag
1393:EBICAB
1363:Balise
1069:SimSig
955:Brough
918:Yoker
883:Havant
845:ARF ៛
231:IECCs
1747:Japan
1742:Italy
1717:China
1651:AREMA
1600:Saxby
1453:SACEM
1398:IIATS
1323:ATACS
1168:Token
843:Yes °
706:Crewe
654:Rugby
607:Rugby
590:) to
516:Derby
487:ARS?
380:near
307:Cupar
240:ARS?
1671:IRSE
1666:HMRI
1575:Hall
1318:ASFA
1313:ALSN
972:Yes
929:Yes
874:ARF
841:No ∞
770:Yes
673:Yes
645:Yes
528:Yes
460:Yes
430:Yes
424:and
407:Yes
386:Yes
357:Yes
316:Yes
309:and
265:Yes
178:any
176:cite
46:IECC
40:The
1681:UIC
1661:FRA
1656:ERA
1646:AAR
1565:GRS
942:13
910:No
893:No
817:10
804:No
787:No
750:No
715:No
690:No
628:No
597:No
570:No
553:No
547:to
506:No
376:to
344:10
333:No
282:No
189:by
58:VDU
1809::
994:^
921:2
904:1
887:3
865:2
798:1
781:1
761:7
743:4
726:6
701:3
684:1
659:6
639:1
612:1
583:2
564:1
541:1
520:5
500:1
443:7
418:5
370:2
327:1
295:9
276:1
253:5
250:2
1104:e
1097:t
1090:v
708:/
619:.
216:)
210:(
205:)
201:(
197:.
183:.
44:(
20:)
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