Interoperability authorisations

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Details of all the new, major, upgraded or renewed infrastructure or rolling stock projects we have authorised into service since 2019.

Authorisations

2025

The table below lists our authorisations in 2025 in date order.

Project entityProject and letter of authorisationDate of decision
W.H.Davis LimitedMWA-C Wagons13 June 2025
Hitachi Rail LimitedClass 81016 May 2025
Network Rail Infrastructure LimitedBradford Forster Square Station- Platform 02 May 2025
Stadler Rail Valencia S.A.U. Class 93 Upgrade: speed increase to 110mph 15 April 2025
Network Rail Infrastructure LimitedTRU Upgrade Project E1 - Church Fenton to York 21 March 2025
Network Rail TelecomsGSM-R V4.012 March 2025
Northumberland County CouncilNorthumberland Line project - Newsham Station6 March 2025
Network Rail Infrastructure LimitedMidland Main Line Programme Electrification - London to Wigston25 February 2025
Ty Blaen TorfaenPontypool New Inn Phase 225 February 2025

2024 Collapse accordion Open accordion

The table below lists our authorisations in 2024 in date order.

Project entityProject and letter of authorisationDate of decision
Rhondda Cynon Taf County Borough CouncilPorth Transport Hub19 December 2024
Northumberland County CouncilNorthumberland Line project - Seaton Delaval Station12 December 2024
Northumberland County Council Northumberland Line project -Ashington Station and Rail Corridor12 December 2024
Transport for WalesCVL-Electrification of the TAM-EE2 (works recorded in SJR 18 and SJR74)6 December 2024
Network Rail Infrastructure LimitedEast West Rail-Phase 2-Trackside GSM-R Subsystem voice only6 December 2024
Transport for WalesCVL -Electrification of the TAM-A EE1A, 1B and 1C (works  recorded in SJR72)8 November 2024
Network Rail Infrastructure LimitedTRU West Project W4 EIS F Morley Station17 October 2024
Network Rail Infrastructure LimitedEast West Rail -Phase 230 September 2024
Bombardier Transportation UK Ltd (trading as Alstom)Class 710/1 and Class 710/2 upgrade16 September 2024
Swietelsky Construction Company LimitedPlasser & Theurer 09-32/4S Universal Dynamic Tamper6 September 2024
Swietelsky Construction Company LimitedPlasser & Theurer BDS 2000-4 Ballast Distribution System6 September 2024
Transport for WalesAberdare Station4 September 2024
Network Rail Infrastructure LimitedAshley Down Station23 August 2024
Wagony Świdnica sp. z o.o. on behalf of VTG Rail UK LimitedType F07D FANPPS(5)/HOA(B) 101.6T aggregate bogie hopper wagon13 August 2024
Hitachi Rail LimitedClass 80729 July 2024
Network Rail Infrastructure LimitedTRU West Project W1/2A EIS C for Stalybridge Station26 July 2024
Network Rail North West and Central RegionTRU West W1 2A - Manchester Victoria to Stalybridge Electrification and Guide Bridge tie-in:23 July 2024
ASTRA Rail Project s.r.o.EAAY Box wagons (Ealnos, JNA-X 60m3) Wagons10 July 2024
Network Rail Infrastructure Limited- Eastern RegionLondon to Wigston - Braybrooke Autotransformer Feeder Station26 June 2024
Network Rail Infrastructure LimitedHartlepool Station Upgrade (PRM and INF NTSN)30 May 2024
Network Rail Infrastructure LimitedEbbw Vale frequency enhancement project (APIS 2)24 May 2024
Network Rail Infrastructure Limited - Scotland RegionLevenmouth Rail Link22 May 2024
Plasser UK Limited09-4X4/4S Tampers10 May 2024
Network Rail Infrastructure Limited - Eastern RegionHope Valley Capacity Project Dore Station area22 March 2024
Transport for WalesDinas Rhondda Station20 February 2024
Great Western Railway LimitedReading West Station15 February 2024
Transport for WalesTreherbert Station9 February 2024
W.H. Davis Limited101.6t JNA-Z Box Wagon2 February 2024
GB Railfreight Ltd.Class 66 Upgrade2 February 2024
Transport for WalesTAM B Track (RS2THT) Treherbert Branch31 January 2024
Bombardier Transportation UK Ltd (trading as Alstom)Aventa Class 730-0 and Class 730-2 EMU trains29 January 2024
West Midlands Combined AuthorityUniversity Station Stage 215 January 2024

2023 Collapse accordion Open accordion

Project entityProject and letter of authorisationDate of decision
Network Rail Infrastructure Limited East Coast Power Supply Upgrade Phase 2 Hambleton Junction static frequency convertor21 December 2023
Network Rail Infrastructure Limited TransPennine Route Upgrade West Project W1/2A EIS A and EIS B 18 December 2023
Stadler Rail Valencia S.A.U. Class 9314 December 2023
Hitachi Rail Limited   Class 80513 December 2023
Network Rail Infrastructure Limited East Linton New Station 1 December 2023
Network Rail Infrastructure Limited Ebbw Vale Frequency Enhancement Project (APIS 1) 1 December 2023
Transport for WalesQuakers Yard Station 1 December 2023
Network Rail TelecomsGSM-R V4.030 November 2023
Network Rail Infrastructure Limited- Western ETCS Overlay 0-12MP Project Paddington to Heathrow (Stage TB2)23 November 2023
Network Rail Infrastructure Limited Castleford Station reinstatement of platform 2 Project21 November 2023
Network Rail Infrastructure Limited Glasgow to Barrhead Electrification energy subsystem: 20 November 2023
Network Rail Infrastructure LimitedGatwick Airport Station20 November 2023
Network Rail Infrastructure LimitedEast Coast Deployment Program - Northern City Line ETCS and GSMR27 October 2023
Transport for WalesCore Valley Lines-Taff's Well Track including new switches and crossings (S&C)24 October 2023
Network Rail Infrastructure LimitedHeadbolt Lane 22 September 2023
London Borough of BarnetBrent Cross West Station 20 September 2023
Siemens Mobility Limited Siemens Desiro City Class 7177 August 2023
Network Rail Infrastructure LimitedThanet Parkway Station24 July 2023
Astra Rail Project s.r.oSABL 2X60‘ Container Wagons (SGNS, FEA(G))3 July 2023
Transport for WalesCore Valley Lines- Aberdare to Cwmbach Passing Loop22 June 2023
Network Rail Infrastructure LimitedMarsh Barton Station20 June 2023
Transport for WalesCore Valley Lines- Fernhill to Mountain Ash Passing Loop19 June 2023
Stadler Bussnang AG Class 756/0 and 756/113 June 2023
Transport for WalesCore Valley Lines - TAM A (Quakers Yard + Pentrebach to Merthyr Vale)6 June 2023
Network Rail Infrastructure LimitedPortway Park and Ride Station2 June 2023
CAF Rolling Stock UK LimitedClass 197 First Class DMU2 June 2023
Reading Borough Council Reading Green Park Station11 May 2023
Eurailscout Inspection & Analysis b.vSwitch Inspection Machine 1411 May 2023
Matisa Industrial Materials S.A.2 B66 Tampers11 May 2023
W.H.Davis LimitedllA(D) Biomass Hopper wagon27 April 2023
Plasser UK LimitedUSP 5000 Ballast Regulator27 March 2023
Govia Thameslink Railway LimitedUpgraded Class 717 including the onboard use of 
ETCS Level 0,1 and 2
21 March 2023
Astra Rail Project s.r.o.Open box wagon Ealnos 5off (JNA-T, EAAN)13 March 2023
Network Rail Infrastructure LimitedAP12B Stage 4 Anglia Traction Power23 February 2023
Swietelsky Construction Company Limited09-32x-4x4/4s Universal Dynamic Tamper23 February 2023
Swietelsky Construction Company LimitedBDS 2000-4 Ballast Distribution System23 February 2023
Network Rail Infrastructure LimitedInverness Airport Station26 January 2023
Network Rail TelecomsGSM-R V4.026 January 2023

2022 Collapse accordion Open accordion

The table below lists our authorisations in 2022 in date order.

Project entityProject and letter of authorisationDate of decision
CAF Rolling Stock UK LtdClass 197 ETCS Variant23 November 2022
Bombardier Transportation UK Ltd (trading as Alstom)Class 730 upgrade for multiple unit operation18 November 2022
Astra Rail Project s.r.oFEA-G UK Twin Platform Container wagon SGNS (FEA-G, SABL)26 October 2022
Crossrail LimitedBond Street station19 October 2022
Alstom GroupClass 720/619 October 2022
Network Rail TelecomsGSM-R V4.013 October 2022
W.H.Davis Limited101.6 Tonne GLW Box Wagon Type EALNOS(1) (JNA-V)13 September 2022
Astra Rail Project s.r.o.Open box wagon Ealnos (JNA-X, EAAY)09 September 2022
Network Rail Infrastructure LimitedAP10 Crossrail Anglia Infrastructure (Pudding Mill Lane – Shenfield)01 September 2022
Network Rail Infrastructure LimitedAP4 Acton Mainline to Stockley Junction10 August 2022
West Midlands Combined AuthorityUniversity Station - Stage 120 July 2022
Stadler Bussnang AG Class 231/0 (4 car unit)27 June 2022
Transport for London Barking Riverside Extension Project21 June 2022
West Midlands Combined AuthorityPerry Barr Station (PRM-NTSN)27 May 2022
Network Rail Infrastructure LimitedReston Station letter of authorisation 17 May 2022
Crossrail LimitedThe Main Routeway from Westbourne Park to Pudding Mill Lane and Abbey Wood
(INF & SRT Requirements)
11 May 2022
Network Rail Infrastructure LimitedCambrian ETCS RBC - Upgrade to the Cambrian Mainline05 May 2022
Crossrail Limited - Canary Wharf StationCanary Wharf Station letter of authorisation04 May 2022
Crossrail Limited - Bond Street StationBond Street Station letter of authorisation28 April 2022
Crossrail LimitedGSMR letter of authorisation27 April 2022
Crossrail Limited - Custom House StationCustom House Station letter of authorisation06 April 2022
Network Rail Infrastructure LimitedAP12A Western Traction Power Stage 4a AT System05 April 2022
Crossrail Limited - Paddington Station Paddington Station letter of authorisation29 March 2022
Crossrail LimitedEnergy Sub-System of Central Operating Section of the Elizabeth Line25 March 2022
Astra Rail Project s.r.o.JNA-T, EAAN Wagons23 March 2022
Coventry Station City CouncilCoventry Station Master Plan Phase 1 and Phase 217 March 2022
Network Rail telecomsGSM-R V4.017 March 2022
Crossrail Limited - Whitechapel Station Whitechapel Station letter of authorisation14 March 2022
Crossrail Limited - Woolwich StationWoolwich Station letter of authorisation14 March 2022
Network Rail Infrastructure LtdBristol East Junction Remodelling Project letter of authorisation25 February 2022
Crossrail Limited - Tottenham Court Road StationTottenham Court Road station letter of authorisation22 February 2022
Crossrail Limited - Liverpool Street StationLiverpool Street station letter of authorisation22 February 2022
Bombardier Transportation UK Ltd (trading as Alstom)36 Class 730/0 Electric Multiple Units02 February 2022
Network Rail TelecomsGSM-R V4.019 January 2022
Crossrail Limited - Farringdon Station Farringdon station letter of authorisation14 January 2022
CAF Rolling Stock UK LtdClass 197 Diesel Multiple Units13 January 2022
Astra Rail Project s.r.o.FEA(W) Wagons05 January 2022

 

2021 Collapse accordion Open accordion

The table below lists our authorisations in 2021 in date order.

Project entityProject and letter of authorisationDate of decision
Network Rail Infrastructure LtdSoham Station Phase 1 Project (INF NTSN and PRM NTSN) 10 December 2021
Network Rail Infrastructure LtdAuthorisation for the upgrade to the Control, Command & Signalling GSMR trackside subsystem to enable it to be used as a  bearer for ETCS data3 December 2021
W.H.Davis LimitedJNA(U) Wagons25 November 2021
Network Rail telecomsGSM-R V4.023 November 2021
Network Rail Infrastructure LtdWerrington Grade Separation Project (INF and SRT NTSN) 22 November 2021
Astra Rail Project s.r.o.MLA-W Wagons5 November 2021
Network Rail telecomsGSM-R V4.019 October 2021
Astra Rail Project s.r.o. JNA(W) Wagons27 September 2021
Hitachi Rail Ltd. Class 803/027 September 2021
Network Rail telecomsGSM-R V4.06 August 2021
Stadler Rail Valencia S.A.U.Class 777 Mersey EMU27 July 2021
Network Rail telecomsGSM-R V4.015 July 2021
Stadler Rail Valencia S.A.U.Class 777 Mersey EMUs15 July 2021
Alstom GroupClass 701/5 Aventra (DC & DV) Upgrade for Multiple Unit Operation28 June 2021
Network Rail telecomsGSM-R V4.015 June 2021
Third PartyWolverhampton station development project (PRM NTSN)2 June 2021
GB Railfreight LtdClass 69 Sub-system (GBRf Class 69 Repower)26 May 2021
Network Rail TelecomsGSMR V4.026 May 2021
MTR Crossrail LimitedAuthorisation for the ETCS Trackside Level Transitions at Westbourne Park (Great Western Main Line) and Stratford (Great Eastern Main Line) for the Elizabeth Line14 May 2021
Astra Rail s.r.o.Twin Container Carrying Wagons Sggrrss (FFA-G)11 May 2021
Millet A.F.R.Cement Tank Wagons UACNS, JGA (P)6 May 2021
Network Rail Infrastructure LtdLondon to Corby Electrification and Capacity Upgrade Project28 April 2021
Vivarail LtdClass 230 battery upgrade16 April 2021
Astra Rail s.r.o.JNA(T) Wagons6 April 2021
VTG Rail UK LtdEcofret2.030 March 2021
Network Rail TelecomsGSMR V4.030 March 2021
Worcestershire Parkway StationWorcestershire Parkway Station Extension12 March 2021
Plasser UK LtdUnimat 08-4X4/4S19 February 2021
Transport for WalesBow Street station project11 February 2021
Bombardier Transport LtdClass 710/2 upgrade13 January 2021

2020 Collapse accordion Open accordion

The table below lists our authorisations in 2020 in date order.

Project entityProject and letter of authorisationDate of decision
Vivarail LtdClass 230 battery upgrade31 December 2020
Beacon Rail Leasing Company Class 66 (Former German Locomotives)22 December 2020
Network Rail TelecomsGSMR V4.021 December 2020
Network Rail Leeds Station Capacity Project21 December 2020
Bombardier Transport LtdClass 387 ETCS14 December 2020
Network Rail TelecomsGSMR V4.030 November 2020
Bombardier Transport LtdClass 720 5-Car units18 November 2020
Network Rail TelecomsGSMR V4.010 November 2020
Network Rail TelecomsGSMR V4.002 October 2020
Bombardier Transportation UK LtdClass 7011 October 2020
Linsinger Maschinenbau GmbHLinsinger SF0622 September 2020
Network Rail TelecomsGSM-R v4.027 August 2020
Vivarail LtdClass 230 battery upgrade27 August 2020
CAF Rolling Stock UK LtdClass 19626 August 2020
Bombardier Transportation UK LtdClass 710/213 August 2020
Network Rail TelecomsGSMR-v4.031 July 2020
Network Rail Eastern RegionStevenage Turnback PRM TSI22 July 2020
Network Rail TelecomsGSM-R v4.0 cab mobile16 July 2020
Network Rail Eastern RegionStevenage Turnback INF TSI1 July 2020
Network Rail Capital Delivery - EasternHorden Station26 June 2020
Network Rail TelecomsGSMR V4.0 - Reg 911 June 2020
Beacon Rail Leasing LimitedClass 66 (Former German Locomotives)11 June 2020
Beacon Rail Leasing LimitedClass 66 (Former Swedish Locomotives)11 June 2020
Bombardier Transportation UK LtdClass 720/5  8 June 2020
Network RailAbbey Wood Station21 May 2020
Network Rail TelecomsGSMR V4 Reg 913 May 2020
BombardierClass 345 ETCS6 May 2020
Network RailKintore Station    17 April 2020
Network Rail TelecomsGSMR v4.0 cab mobile9 April 2020
Third PartyTouax F07C Wagons27 March 2020
Network RailGlasgow Queen Street station redevelopment24 March 2020
Network Rail TelecomsGSMR v4.0 cab mobile13 March 2020
Plasser UK LtdAuthorisation for the placing in service of Plasser 09-4x4/4S18 February 2020
Network Rail TelecomsGSMR v4.0 cab mobile10 February 2020
Network RailMarket Harborough Line Speed and Station Improvement10 February 2020
Worcestershire Parkway StationWorcestershire Parkway Station30 January 2020
Third PartyTwickenham Station Regeneration Project13 January 2020
Network RailTGWP Bristol to Cardiff electrification project3 January 2020

2019 Collapse accordion Open accordion

The table below lists our authorisations in 2019 in date order.

Project entityProject and letter of authorisationDate of decision
BombardierBombardier 710/117 December 2019
Network RailDidcot to Bristol electrification12 December 2019
Retwork RailDunbar Down Station12 December 2019
Network RailRobroyston station10 December 2019
Third PartyWarrington West station5 December 2019
Hitachi Rail LimitedHitachi AT300 Class 802 bi-mode multiple units sub-class 802/315 November 2019
Bombardier TransportationBombardier Transportation Regulation7 November 2019
Network Rail TelecomsEnterprise GSM-R CAB Mobile SVR 40030 October 2019
Network Rail TelecomsGSM-R Mobile SVR 40030 October 2019
Linsinger Maschinenbau GmbHLisinger MG31-UK Rail Milling Train29 October 2019
IEP Doncaster DepotDoncaster Intercity Express Programme Power Supply21 October 2019
Network RailAuthorisation for the placing in service of AP32 Oxford Corridor (Phase 1 & 0) Project30 September 2019
Stadler Altenrhein AGStadler Class 755/3 bi-mode16 September 2019
Network RailAP33 Filton bank 4 tracking project23 August 2019
Bombardier Transportation UK LtdClass 710/1 AC electric multiple units14 August 2019
Bombardier Transportation UK LtdClass 710/2 electric multiple units14 August 2019
Bombardier Transportation UK LtdClass 710/2 dual voltage electric multiple units14 August 2019
CAF Rolling Stock UK LtdClass 397 units19 July 2019
Astra Rail EALNOS Open box wagons15 July 2019
Network RailAP5 West Outer Infrastructure12 July 2019
Network RailAP3 Old Oak Common12 July 2019
VTG RailHOA(B) Wagons10 July 2019
Stadler Bussnang AGClass 745/0 AND 745/1 Electric Multiple Units10 July 2019
North West Electrification Programme (NWEP)(NWEP) Phase 58 July 2019
Matisa Materiel Industriel SAMatisa B66 UC Tamper13 June 2019
CAF Rolling Stock UK LtdClass 195/1 diesel multiple units10 June 2019
Hitachi Rail LimitedHitachi AT300 5-car bi-modes for TPE4 June 2019
Stadler Bussnang AGClass 755/4 multiple units30 May 2019
Network RailWest Anglia Mainline Capacity Improvement – Infrastructure29 May 2019
Network RailWest Anglia Mainline Capacity Improvement – Energy22 May 2019
Network RailFelixstowe capacity enhancement22 May 2019
Network RailThameslink East West GSMR17 May 2019
Network RailThameslink East West ETCS17 May 2019
Viva RailWest Midlands Viva Rail Class 23012 April 2019
Bombardier Transportation UK LtdClass 710/2 dual voltage vehicles11 April 2019
Network RailGSMR 4.029 March 2019
Hitachi Rail EuropeHitachi - LNER Class 801/1 and 801/2 electric 5-car and 9-car Azuma trains27 March 2019
Network RailGSMR 4.022 March 2019
Network RailGSMR 4.04 March 2019
Plasser UK LtdPlasser 09-4X4/4S27 February 2019
CAF Rolling Stock UK LtdCAF Class 331 Multiple units22 February 2019
Network RailBristol Parkway7 February 2019
Hitachi Rail EuropeHitachi Super Express Train (SET) Class 800 bi mode31 January 2019
WH Davies LtdFNA-D Wagons31 January 2019