imported>Maurice Oly: /* Fleet details */Lets use a source from after the units were built and entered service

2025-11-19T02:20:28Z

Fleet details: Lets use a source from after the units were built and entered service

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{{Short description|Fleet of electric multiple units in Britain}}
{{Use dmy dates|date=March 2025}}
{{Infobox EMU
| name = British Rail Class 377 ''Electrostar''
| image = Battersea Park railway station MMB 30 377605.jpg
| caption = A [[Southern (Govia Thameslink Railway)|Southern]] Class 377/6 at {{stnlnk|Battersea Park}} in 2014
| interiorimage = 377401 Standard Class Interior.jpg
| interiorcaption = The interior of a Southern Class 377/4
| manufacturer = [[Bombardier Transportation]]
| factory = [[Derby Litchurch Lane Works]]
| family = [[Bombardier Electrostar|Electrostar]]
| replaced = {{unbulleted list|{{brc|319}}|{{brc|421}}|{{brc|423}}|{{brc|455}}|{{brc|456}}}}{{brc|313}}
| owner = [[Porterbrook]]<ref name="mrr23rf">{{cite book |editor1-last=Sherratt |editor1-first=Philip |title=Modern Railways: Review 2023 |date=2023 |publisher=Key Publishing |location=Stamford |isbn=978-1-80282-569-5 |pages=18–19 |chapter=ROSCO Fleets}}</ref>
| operator = {{unbulleted list|[[Southern (Govia Thameslink Railway)|Southern]]|[[Southeastern (train operating company)|Southeastern]]}}
| formation = {{unbulleted list|377/1/2/4/5: 4 cars per unit (DMOS-MOSL-PTOSL-DMOS)|377/3: 3 cars per unit (DMOS-PTOSL-DMOS)|377/6/7: 5 cars per unit (DMOS-MOSL-PTOSL-MOS(2)-DMOS)}}
| numberbuilt = 211 units (excluding 28 [[British Rail Class 375|375/3]] conversions)
| numberconstruction =
| stocktype =
| service = May 2003 – present
| successor = [[British Rail Class 700|Class 700]] ([[Thameslink]])
| weight = {{unbulleted list|{{convert|173.6|t|LT ST|abbr=on}} (377/1, /2, /4, /5)|{{convert|133.1|t|LT ST|abbr=on}} (377/3 only)}}
| carlength = {{convert|20.4|m|ftin|frac=8|abbr=on}}
| width = {{convert|2.80|m|ftin|frac=8|abbr=on}}
| height = {{convert|3.78|m|ftin|frac=8|abbr=on}}
| maxspeed = {{convert|100|mph|km/h|sigfig=3|abbr=on}}
| coupling = [[Dellner]]
| multipleworking = Within class, [[British Rail Class 378|Class 378]]<ref name="Pritchard p. ">{{cite book | last=Pritchard | first=R. N. | title=British railways locomotives & coaching stock 2012. | publisher=Platform 5 | date=2012 | isbn=978-1-902336-92-3 | oclc=795598388 | pages=292, 294}}</ref> and [[British Rail Class 379|Class 379]]<ref name="Pritchard p. "/>
| traction motors = 4–8 × {{convert|200|kW|abbr=on}}
| poweroutput = {{unbulleted list|{{convert|1,200|kW|abbr=on}} (377/1, /2, /4, /5)|{{convert|800|kW|abbr=on}} (377/3 only)|{{convert|1,400|kW|abbr=on}} (377/6 and /7)}}
| gauge = {{Track gauge|sg|allk=on}}
| electricsystem = {{unbulleted list|750 [[Volt|V]] [[Direct current|DC]] [[Third rail|3rd rail]]|{{25 kV 50 Hz}} [[Overhead line]]s (377/2, 377/5 and 377/7 only)}}
| collectionmethod = {{unbulleted list|[[Contact shoe]]|[[Brecknell Willis]] [[Pantograph (transport)|pantograph]] (377/2, 377/5 and 377/7 only)}}
}}

The '''British Rail Class 377 ''[[Bombardier Electrostar|Electrostar]]''''' is a British dual-voltage [[electric multiple unit]] passenger train (EMU) built by [[Bombardier Transportation]] on its [[Bombardier Electrostar|Electrostar]] platform at [[Derby Litchurch Lane Works]] from 2001 to 2014.

The trains work suburban services in [[South London]], and main-line commuter services to [[Sussex]], [[Surrey]], [[Kent]] and the South Coast, on which they replaced [[British Rail Class 421|Class 421]] and [[British Rail Class 423|Class 423]] [[Slam-door train|slam-door]] stock that was more than 40 years old and did not meet modern health and safety requirements. Built in the early 2000s, the units had a troubled introduction: being fully air-conditioned, their higher power consumption compared to the trains they replaced led to major upgrades being required to the 750 V [[direct current|DC]] third-rail power supply used in the former Southern region.<ref>{{cite magazine |url=http://dspace.dial.pipex.com/town/square/ca14/ALYCIDON%20RAIL/INFORMED%20SOURCES%20ARCHIVE/INF%20SRCS%202003/Informed%20Sources%2005%202003%20p4.htm |archive-url= https://web.archive.org/web/20110604025430/http://dspace.dial.pipex.com/town/square/ca14/ALYCIDON%20RAIL/INFORMED%20SOURCES%20ARCHIVE/INF%20SRCS%202003/Informed%20Sources%2005%202003%20p4.htm |url-status= dead |archive-date= 4 June 2011 |author-link= Roger Ford (journalist) |last=Ford |first=Roger |title=SR power upgrade agreements signed |magazine=[[Modern Railways]] |date=May 2003 |location=London|via= dspace.dial.pipex.com}}</ref> The collapse of [[Railtrack]] following the [[Hatfield rail crash]] further delayed this upgrade work, and the new stock did not enter squadron service until 2003.

==Design==
Class 377s are fitted with external [[Closed-circuit television|CCTV]]. There is an open area for wheelchairs, prams and cycles, and both intermediate coaches have toilets. Bodyside power doors are electrically operated, a move away from the air-powered systems of previous generation [[Electrical multiple unit|EMUs]]. Dual-voltage units are fitted with a [[Brecknell Willis]] high-speed [[Pantograph (transport)|pantograph]], incorporating a pair of [[aerofoil]]s on the pan knuckle to steady the pan head against the [[Overhead line|OLE contact wire]].<ref name=FCC377guide>First Capital Connect: Class 377 Drivers' Guide p.91 "The pantograph" 2009.</ref>
The configuration of a 5-car Class 377 unit is:
* DMOC(A) – 2 motors on inner bogie, sander, [[Voltage converter|auxiliary converter]] module
* MOSL – 2 motors on inner bogie, standard toilet (not found on 377/3s)
* PTSOL – [[Pantograph (rail)|pantograph]], [[transformer]], [[Gas compressor|compressor]], universal-access toilet
* MOS – 2 motors on inner bogie, standard-class interior (only found on Class 377/6 and 377/7 units)
* DMOS(B) – 2 motors on inner bogie, sander, auxiliary converter module

In the 4-car units the driving cars are composite. The first-class saloon is between the driving cab and the first set of passenger doors. 4-car units also do not contain the MOS coach.{{citation needed|date=January 2017}}

===Couplers===
The Class 377 use [[Dellner]] instead of [[Tightlock coupling]]s originally used on the [[British Rail Class 375|Class 375s]].<ref>{{cite web |url= http://www.railway-technology.com/contractors/brakes/dellner/ |title=Dellner Couplers AB — Automatic and Semi-Permanent Couplers |access-date=10 October 2014}}</ref> Southern's 375s were all reclassified to Class 377/3s upon conversion. These reclassified units can still be identified by their 3-car formation. Note that [[Southeastern (train operating company)|Southeastern's]] 375s (sub-classes 375/3, 375/6, and 375/7) were also later converted from Tightlock to Dellner couplers but were not reclassified. Its sub-class 375/8 and 375/9 units were fitted with Dellner couplers, as built.<ref>{{cite web |url= http://www.southernelectric.org.uk/features/historical-features/index.html |publisher= Southern Electric Group |date=21 April 2006 |title=Southern Electric Fleet Review Summer 2004 |url-status=dead |archive-url= https://web.archive.org/web/20130223073203/http://www.southernelectric.org.uk/features/historical-features/index.html |archive-date=23 February 2013 }}</ref>

===Traction current supply===
All units can receive power via [[third rail|third-rail]] pick-up which provides 750 V [[Direct current|DC]]. There are eight pick-up shoes per unit (twice the number of previous generation 4-car electric multiple units), and this enables them to ride smoothly over most third-rail gaps. The units in the 377/2, 377/5 and 377/7 sub-classes are dual-voltage, and are fitted with a pantograph to pick up 25 kV [[Alternating current|AC]] from [[overhead lines]]. On these units (and on single-voltage sub-class 377/6), the shoe mechanism is air-operated so that when powered down, or working on AC overhead lines, the shoe is raised out of the way. This is used on trains from [[Hemel Hempstead railway station|Hemel Hempstead]] to [[Clapham Junction railway station|Clapham Junction]], which use part of the [[West Coast Main Line]] between Hemel Hempstead and [[Willesden Junction railway station|Willesden Junction]], and then the [[West London Line]] towards Clapham Junction. These trains change to third-rail DC supply on a dual-voltage section of the West London line north of Shepherd's Bush.<ref>Jacobs, G. (ed) (2008). ''Railway Track Diagrams 5: Southern and TfL'' (3rd edition). Bradford-on-Avon: Quail. p. 1R.</ref> Since March 2009, dual-voltage Class 377 units operated some [[Thameslink]] [[Bedford railway station|Bedford]] to [[Brighton railway station|Brighton]], [[Rochester railway station|Rochester]] and [[Ashford International railway station|Ashford]] services (see below). The Bedford to Brighton services are now run by [[British Rail Class 700|Class 700s]], while the Class 377/5s themselves are now operated by Southeastern.

Among the remaining units, the trailer coach in each unit has a recess in its roof where a [[pantograph (transport)|pantograph]] could be fitted, to allow for future conversion to overhead AC power.{{citation needed|date=January 2017}}

==Current operations==
=== Southern ===
* [[Brighton Main Line|Mainline]] and Redhill Routes: London Victoria and London Bridge to Brighton, Reigate, Tonbridge, Eastbourne, Ore, Portsmouth, Southampton, Littlehampton and Bognor Regis
* [[East Coastway Line|East Coastway]]: Brighton to Seaford, Eastbourne, Hastings and Ore
* [[West Coastway Line|West Coastway]]: Brighton to Portsmouth, Littlehampton, Bognor Regis and Southampton
* [[West London Route]]: Clapham Junction to Watford Junction
* [[Oxted Line]]: London Victoria to East Grinstead
* Outer Suburban services: London Victoria and London Bridge to Tattenham Corner, Epsom, Horsham and Dorking
* Inner Suburban services: London Victoria and London Bridge to Caterham, Sutton, Epsom Downs, West Croydon and Beckenham Junction via Crystal Palace

===Southeastern===
In December 2016 [[Southeastern (train operating company 2006–2021)|Southeastern (Govia)]] received 8 units (377501-377508), transferred from [[Govia Thameslink Railway|Thameslink]]. In September 2017 these were joined by an additional 17 units (377509-523 & 377163/164)

[[Southeastern (train operating company)|Southeastern]] is also set to receive 13 [[British Rail Class 377#Fleet details|Class 377/1s]] (377121-133) from [[Southern (Govia Thameslink Railway)|Southern]] to replace ageing [[British Rail Class 465|Class 465]] units, with 377121 and 377122 in passenger service since 2 January 2025.<ref>{{Cite magazine |title=Southeastern to receive 13 Class 377s from Govia Thameslink as part of EMU reshuffle |url=https://www.railmagazine.com/news/fleet/2024/11/28/southeastern-to-receive-13-class-377s-from-govia-thameslink-as-part-of-emu-reshuffle |access-date=29 November 2024 |magazine=Rail Magazine}}</ref>

==Additional units and the Thameslink Programme==
In April 2007, as part of the Route Utilisation Strategy for the [[Brighton Main Line]], it was announced that Southern would procure an additional 48 Class 377 carriages to replace an identical number of {{brc|319}} carriages (12 x 4-car units) due to be transferred to [[First Capital Connect]].<ref name="319-fcc-transfer">{{cite web |date=4 April 2007 |url= http://www.dft.gov.uk/pgr/rail/passenger/franchises/moretrains |title=More trains arriving on busy rail routes |publisher=Department for Transport |archive-url=https://web.archive.org/web/20070705181007/http://www.dft.gov.uk/pgr/rail/passenger/franchises/moretrains |archive-date=5 July 2007}}</ref> Eleven further dual-voltage units were then added to the order, making a total of 23. The units were commissioned at Southern's Selhurst depot in Croydon before being transferred to First Capital Connect's [[Bedford Cauldwell depot]]. The first of these, unit 377501, was delivered to Cauldwell depot on 27 February 2009 after making its first appearance through the [[Thameslink]] Central London core. The 377/5s operated mainly on Bedford to Brighton services but in the peaks formed part of First Capital Connect's and [[Southeastern (train operating company 2006–2021)|Southeastern's]] joint service to places such as Rochester and Ashford.

Delays in the construction of the Class 377/5s for First Capital Connect saw the temporary transfer of eight of Southern's Class 377/2s to FCC to enable it to implement the planned timetable changes on 22 March 2009. The loss of these units until September 2009 was covered by the temporary cascade of a number of [[British Rail Class 350|Class 350/1s]] to Southern from [[London Midland]], which operated services between East Croydon and Milton Keynes.<ref>{{cite magazine|title=350s with Southern until November|magazine=[[Today's Railways UK]]|issue=95|date=November 2009|page=65}}</ref>

In September 2011, it was announced that Southern had begun the procurement of 130 vehicles, due to delays in the procurement of new [[British Rail Class 700|Thameslink rolling stock]] that would prevent transfer of the 377/5s in time for the December 2013 timetable change.<ref name="Bombardier">{{cite magazine |title=Battle of awarding of Thameslink contract to Siemens continues unabated as Southern potentially throws a lifeline to Bombardier's Derby works |url=http://railwayherald.co.uk/magazine/pdf/RHUK/Issue284.pdf |url-status= dead |magazine= Railway Herald |location= Scunthorpe |publication-date=19 September 2011 |issue=283 |page=3 |issn=1751-8091 |archive-url= https://web.archive.org/web/20120509211814/http://railwayherald.com/magazine/download/284 |archive-date=9 May 2012 |access-date=30 October 2022}}</ref> The contract was awarded to Bombardier in December 2011.<ref name="377/6_announcement">{{cite news |url=http://www.railnews.co.uk/news/general/2011/12/28-boost-for-derby-as-bombardier.html |title= Boost for Derby as Bombardier wins Southern order |work=[[Railnews]] |date=28 December 2011 |access-date=9 January 2012}}</ref><ref>{{cite news |url= http://www.railnews.co.uk/news/2012/11/16-dft-acts-to-ease-thameslink.html |title=DfT acts to ease Thameslink trains logjam |work=Railnews |date=16 November 2012 |access-date=16 November 2012}}</ref> The additional eight five-car units (from an option in the contract for 40 additional vehicles) are dual-voltage and known as Class 377/7.<ref name="Magazine">{{cite magazine |magazine=Today's Railways UK|date=March 2013|issue=135|page=31}}{{title needed |date=March 2025}}</ref>

In December 2011, three Class 377/2 units were transferred from [[Southern (train operating company)|Southern]] to [[First Capital Connect]] to allow more 12-car services to operate.<ref>{{cite magazine|title=First Capital Connect runs first 12 car Thameslink train|magazine=Rail Magazine|issue=686 29|date=December 2011|page=14}}</ref>

During mid-2013, the first of the new Class 377/6s arrived from Derby for type testing, and since October 2013, these units have been used in passenger service, initially in peak-hour services on the [[Sutton and Mole Valley lines]], [[Epsom Downs Branch]], [[Tattenham Corner Line]] and the [[Caterham Line]].{{citation needed|date=January 2017}}

[[Southeastern (train operating company)|Southeastern]] received 25 Class 377 units (the 23 Class 377/5s and 2 Class 377/1s) in recent years,{{when|date=January 2022}} as specified in Department for Transport documents, published in September 2013, relating to the new combined Thameslink, Southern and Great Northern Franchise.<ref name=":0">{{cite web |url= https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/245041/invitation-to-tender.pdf |title=Thameslink, Southern and Great Northern Franchise: Invitation to Tender |publisher=Department for Transport |location=London |date=September 2013 |page=75 |access-date=9 October 2013}}</ref>

==Refurbishment==
[[Porterbrook]] is funding the £55 million five-year Project Aurora programme to refurbish 214 Class 377 Electrostars operated on Southern services.<ref>{{cite magazine |url= https://www.railwaygazette.com/uk/gtr-launches-55m-electrostar-refurbishment/57369.article |title=GTR launches £55m Electrostar refurbishment |magazine= [[Railway Gazette International]]|date=16 September 2020 |access-date=10 February 2021}}</ref> The work started in 2020 and is being done at Selhurst depot. 377 430 was the first unit to be completed in early 2021.<ref name="rbuk">{{cite magazine |url= https://www.railwaygazette.com/uk/southerns-first-refurbished-electrostar-returns-to-service/58470.article |title=Southern's first refurbished Electrostar returns to service |magazine= Railway Gazette International |date=9 February 2021 |access-date=10 February 2021}}</ref> Changes include the installation of screens showing live GTR and London Underground service information, the provision of USB and power points, energy-saving LED lighting and a passenger-counting system which will enable GTR to analyse how busy individual services are.<ref>{{cite magazine |url= https://www.railwaygazette.com/uk/gtr-launches-55m-electrostar-refurbishment/57369.article |title=GTR launches £55m Electrostar refurbishment |magazine= Railway Gazette International |date=16 September 2020 |access-date=10 February 2021}}</ref>

==Aborted proposals==
===Great Northern===
In 2016, 19 of the 23 Class 377/5 units were planned to be transferred to Great Northern, for use on non-stop London-Cambridge services. However, the 29 former [[Thameslink]] [[British Rail Class 387|Class 387/1]]s were transferred, instead.<ref>{{cite magazine|title=Trio of GTR Class 387/1s readied for move to Great Northern duties |magazine=Rail Magazine|issue=|date=|page= }}</ref> The Class 377/5s were later transferred to [[Southeastern (train operating company 2006-2021)|Southeastern]], as part of their requirement for additional capacity.

==Fleet details==
{| class="wikitable"
!Class
!align=left|Operator
!No. built
!Year built
!Cars
!Unit nos.
!align=left|Notes
|-
| rowspan="2" |'''377/1'''
|[[Southern (Govia Thameslink Railway)|Southern]]
| align="center" |54
| rowspan="2" align="center" |2002–03
| rowspan="3" align="center" |4
|377101-377120, 377131-377164
|All [[Third rail|third-rail]] routes. 377163 and 377164 transferred from Southeastern to Southern on 15 May 2022, following the retirement of the Class 455s.<ref>{{Cite web |title=Units numbers 377 163 and 377 164 transfer from Southeastern to Southern exact dates. |url=https://www.whatdotheyknow.com/request/units_numbers_377_163_and_377_16 |website=whatdotheyknow.com|date=13 December 2022 }}</ref>
|-
|[[Southeastern (train operating company)|Southeastern]]
|align="center" |10
|377121-377126-377127, 377129<ref>{{cite magazine |last=Russell |first=David |date=August 2025 |title=Class 377 Electrostar|department=Units|magazine=[[Rail Express]] |issue=351 |page=23}}</ref>
|Transferred from Southern<ref>{{cite magazine|last=Pickering|first=Graeme|title=GTR releases Class 377s for Kent Services|department=Traction & Stock|magazine=[[The Railway Magazine]]|volume=171|issue=1486|date= January 2025|page=79}}</ref><ref>{{cite magazine|last=Russell|first=David|title=Class 377 Electrostar|department=Units|magazine=[[Rail Express]]|issue=350|date=July 2025|page=23}}</ref><ref>{{cite magazine |last=Russell |first=David |date=November 2025 |title=Class 377 Electrostar|department=Units|magazine=[[Rail Express]] |issue=354 |page=23}}</ref>
|-
|'''377/2'''
| rowspan="3" |[[Southern (Govia Thameslink Railway)|Southern]]
| align="center" |15
| align="center" |2003–04
|377201-215<ref name="Rail1048"/>
|Dual-voltage units. These are used on Metro routes in South London and occasionally main line workings to the South Coast.
|-
|'''377/3'''
| align="center" |28
| align="center" |2001–02
| align="center" |3
|377301-328<ref name="Rail1048"/>
|3-car units converted from {{brc|375}} Nos. 375311-338 by having their Tightlock couplers replaced by Dellners. Originally used on Coastway services but later moved to London suburban services, being partly replaced by {{brc|313}}s, although many have now returned to Coastway workings following the retirement of Class 313s.
|-
|'''377/4'''
|align=center|75
|align="center"|2004–05
| rowspan="2" align="center" |4
|377401-475<ref name="Rail1048"/>
|align=left|All third-rail routes. 377442 returned back to /4 status Mid July 2021 after spending years as a 377/3.
|-
|'''377/5'''
|[[Southeastern (train operating company)|Southeastern]]
|align=center|23
|align=center|2008–09
|377501-523<ref name="Rail1048">{{cite magazine |last=Dunn|first=Pip|date=12 November 2025 |title=GTR completes Electrostar refurbishment programme|department=News|magazine=[[Rail Magazine]] |issue=1048 |pages=12-13}}</ref>
|Dual-voltage units. All units were transferred from Thameslink to Southeastern during 2016–17 to bolster their existing Class 375 fleet.
|-
|'''377/6'''
| rowspan="2" |[[Southern (Govia Thameslink Railway)|Southern]]
|align=center|26
|align=center|2012–13
| rowspan="2" align="center" |5
|377601-626<ref name="Rail1048"/>
|Used on London suburban routes, extending as far as Dorking and Horsham, as well as Tattenham Corner/Caterham services, splitting and attaching at Purley. Run to Brighton at weekends. Also used on the East/West Coastway during events such as the Eastbourne Airshow.
|-
|'''377/7'''
|align=center|8
|align=center|2014
|377701-708<ref name="Rail1048"/>
|Dual-voltage units.
Used on the East Croydon – Watford Junction services, and metro duties shared with the 377/6s.<ref name="Southern">{{cite press release |url=http://www.southernrailway.com/southern/news/procurement-of-new-rolling-stock/|title=Procurement of New Rolling Stock |publisher=Southern |date=15 November 2012 |url-status=dead |archive-url=https://web.archive.org/web/20130329061413/http://www.southernrailway.com/southern/news/procurement-of-new-rolling-stock/ |archive-date=29 March 2013 }}</ref> The 8 sets were built as 5 car units with dual voltage configuration, costing circa £60 million in total, and they were delivered during 2014 for service entry in December of that year.
|}

===Illustrations===
{{Wide image|Southern Class 377-1-4.png|x60px|Illustration of a Southern Class 377/1/4 unit}}
{{Wide image|Southern Class 377-2-5.png|x60px|Illustration of a Southern Class 377/2 unit}}
{{Wide image|Southern Class 377-3.png|x60px|Illustration of a Southern Class 377/3 unit}}
{{Wide image|Southeastern Class 377-5.png|x60px|Illustration of a Southeastern Class 377/5 unit}}
{{Wide image|Southern Class 377-6.png|x60px|Illustration of a Southern Class 377/6 unit}}
{{Wide image|Southern Class 377-7.png|x60px|Illustration of a Southern Class 377/7 unit}}

==Accidents and incidents==
[[File:377 317 derailed at Tonbridge 230820.JPG|thumb|377 317, Tonbridge, 23 August 2020.]]
On 28 November 2016, a fire broke out in the MOSL car of a Southern Class 377 (unit 377442) at Eastbourne station, causing damage to the ceiling and interior. The cause was later identified to be faulty wiring within a hand dryer located in the toilet.<ref>{{Cite news |url=http://www.eastbourneherald.co.uk/news/hand-dryer-caused-eastbourne-train-fire-1-7709270 |title=Hand dryer caused Eastbourne train fire |work=[[Eastbourne Herald]] |date= 2 December 2016|access-date=20 September 2018}}</ref>

On 17 February 2018, a 377 (unit 377454) hit a car on a level crossing at [[Barns Green]] near {{rws|Horsham}}. The two occupants of the car died at the scene.<ref>{{Cite news |url=https://www.bbc.co.uk/news/uk-england-sussex-43097342 |title=Barns Green: Boy and granddad die as train hits car |work=[[BBC News]] |date=17 February 2018 |access-date=20 September 2018}}</ref>

On 8 May 2019, 377142 collided with the [[buffer stop]] at [[London Victoria station]].<ref name="ES4137476">{{cite web |last=Clifton |first=Katy |date=8 May 2019 |title=Victoria station crash: Southern Rail train 'hits buffers causing loud bang and smoke' in front of shocked commuters |url=https://www.standard.co.uk/news/london/victoria-station-crash-southern-rail-train-crashes-into-buffers-causing-loud-bang-and-smoke-in-front-a4137476.html |access-date=8 May 2019 |publisher=[[Evening Standard]]}}</ref>

On 23 August 2020, 377317 was derailed at the exit of the [[Tonbridge Jubilee Sidings]].<ref name=NRtweet240820>{{cite tweet |author=Network Rail |author-link=Network Rail |user=NetworkRailSE |number=1297777601755459584 |date=24 August 2020 |title=Due to Sunday's low-speed derailment of an empty train in the depot near Tonbridge Station our engineers are continuing to work to re-rail the train and check the signalling and track systems in the area. |access-date=24 August 2020 }}</ref>

==References==
{{Reflist}}

==Further reading==
*{{cite magazine|title=Hundred up for Southern's Class 377 refresh|magazine=The Railway Magazine|pages=80|issue=1345|volume=159|date=May 2013|location=Horncastle|publisher=Mortons Media Group|issn=0033-8923|oclc=750645684}}

==External links==
*{{commons category-inline|British Rail Class 377}}

{{Bombardier Turbostar, Electrostar and Alstom Aventra families}}
{{British Rail EMU}}

[[Category:Bombardier Transportation multiple units]]
[[Category:British Rail electric multiple units|377]]
[[Category:Train-related introductions in 2003]]
[[Category:750 V DC multiple units]]
[[Category:25 kV AC multiple units]]

British Rail Class 377 - Revision history

imported>Maurice Oly: /* Fleet details */Lets use a source from after the units were built and entered service