British Rail Class 175


British Rail Class 175
British Rail Class 175 Coradia

175011 operating an Arriva Trains Wales service at Newport in 2009.

Interior of 175115 at Llandudno in 2009.
In service 2000–
Manufacturer Alstom[1]
Built at Washwood Heath, Birmingham[2]
Family name Coradia[1]
Constructed 1999–2001[1]
Number built 27 trainsets[1]
Number in service 27 trainsets
Formation 175/0: 2 cars per train set (DMSL-DMSL)
175/1: 3 cars per train set (DMSL-MSL-DMSL)[1]
Capacity 134 or 206 per trainset[1]
Operator current:
Arriva Trains Wales
previously:
First North Western, TransPennine Express
Depot(s) Chester
Specifications
Car body construction Steel[1]
Car length Driving end vehicles 23.71 m (77 ft 9 in)
Centre cars 23.03 m (75 ft 7 in)[1]
Width 2.73 m (8 ft 11 in)[1]
Doors Swing plug at vehicle ends[1]
Articulated sections Flexible diaphragm within unit only[1]
Maximum speed 100 mph (160 km/h)[1]
Weight 97.85 t (96.30 long tons; 107.86 short tons) or 144.14 t (141.86 long tons; 158.89 short tons) per trainset[1]
Engine(s) One per car, 450hp
Cummins N14 diesel [1]
Transmission Voith T211 hydraulic transmission
ZF final drive[1]
2 axles driven per car
Braking system(s) Friction/Hydrodynamic retarder[1]
Safety system(s) AWS, TPWS
Coupling system Scharfenberg[3]
Gauge 1,435 mm (4 ft 8 12 in) Standard gauge

The Class 175 Coradia is a type of diesel multiple unit passenger train used in the United Kingdom. The fleet of 27 sets were built from 1999 to 2001 by Alstom at Washwood Heath in Birmingham. They are part of the Coradia family of trains along with the Class 180.

The entire fleet is owned by the Rolling Stock Operating Company Angel Trains. They were originally leased to First North Western, but the fleet has since been transferred to Arriva Trains Wales. For a brief period, units were also sub-leased to TransPennine Express.

Contents

Description

Eleven two-carriage and sixteen three-carriage units, worth £78 million,[4] were built for First North Western to allow for the replacement of elderly Class 101 'heritage' DMUs and locomotive-hauled trains to Bangor and Holyhead. As they were constructed, the old locomotive sheds at Chester were replaced with a purpose-built facility in order to service the Class 175 units.[2] Units were tested at low speed at the Severn Valley Railway before further testing and driver training at the Old Dalby Test Track from November 1999.[5] The first unit entered service on 20 June 2000.[4]

The two-carriage units are numbered 175001–011, and the three-carriage units 175101–116. Carriages are labelled as coaches A–C, with two-car units having no coach B. Each train has provision for two disabled passengers in coach A, and storage for two bicycles in coach C.[6]

Early reliability problems meant that some services were operated by old rolling stock at short notice.[7][8] Remedial work included improving brakes and bogies,[9] and the reliability of the units is now greatly improved.[10]

Automated Announcement System

Class 175 Coradias are fitted with a passenger information system,[1] which consists of onboard LED display and audio announcements of train destinations and arrivals. However, problems with its operation led to its not being used by Arriva Trains Wales (ATW) when it acquired the trains; not using it meant that the LED destination displays on the front and rear of the train were not illuminated. The system was reprogrammed in 2007 for new routes, which included Welsh spellings on the information screens, as well as the implementation of a chime, signalling the start of an announcement to passengers.

Operations

The entire Class 175 fleet was operated by First North Western from their introduction in 2000 until October 2003, when franchise changes led to North Wales Coast Line services being transferred to Wales and Borders; as a result most of the fleet was then used by Wales and Borders: First North Western's branding was removed from all the units, but the livery remained largely the same.[11]

The fleet was transferred to Wales and Borders' successor Arriva Trains Wales in 2004, with some being sub-leased to First Transpennine Express, who took over First North Western's long-distance routes. First Transpennine took delivery of new Class 185 Pennine units in 2006, and the sub-leased Class 175s returned to ATW. The units have been based at the Chester depot throughout, and they have been operated in Wales, North-West England and the West Midlands.

North West and West Midlands

From their introduction in 2000,[12] First North Western (FNW) operated the Class 175s until 2003, when the fleet was transferred to Arriva Trains Wales.

The units were used on various services:

In 2003, the trains transferred to the Wales and Borders franchise and subsequently ATW. However, under a contractual agreement, 11 units were leased back daily from ATW to FNW and then later to First TransPennine Express for use on the Manchester Airport to Blackpool and Cumbria services until mid-December 2006, when that contract expired. They also found use on one morning peak service between Chester and Manchester Piccadilly via Altrincham, which continued to be operated by a Class 175 until December 2004.

Wales

175113 rounds the bend into Deganwy with a service from Llandudno.

The entire Class 175 Coradia fleet was transferred to ATW when it took over responsibility for the North Wales Coast Line in 2004. The fleet is based at Chester Depot.

Since fully taking over the fleet ATW now uses Class 175s on Cardiff Central to Manchester and Holyhead service. Some South Wales bound services continue beyond Cardiff to Maesteg, Carmarthen and Milford Haven. They also continue to operate in the North West on Llandudno to Manchester Piccadilly services and the three trains daily extend to Manchester Airport. Since the installation of ERTMS signalling on the Cambrian Coast the Class 175s are not permitted to travel West of Shrewsbury to Aberystwyth and Pwllheli.

Fourteen daily Class 175 Coradia diagrams are in operation on Welsh Marches Line services to South Wales from Manchester and Holyhead, while ten diagrams are in operation on the North Wales Inter-Urban services between Manchester/Crewe and Chester/North Wales. One Sundays only diagram sees the units travel from Holyhead to Birmingham New Street via Stafford.

They have been cleared by Network Rail to operate the lines from Cardiff Central to Maesteg,[13] Cheltenham,[14] and Ebbw Vale.[15]

Fleet details

Class Operator No. Built Year Built Cars per set Unit nos.
Class 175/0 Arriva Trains Wales 11 1999–2001 2 175001 – 175011
Class 175/1 16 1999–2001 3 175101 – 175116

Some of the class have received names:

All except for Eisteddfod Genedlaethol Cymru were named by First North Western. The nameplates have now all been removed as the fleet now wears standard Arriva colours.[23]

References

175112 and 175103 cross at Llandudno Junction.
175007 sits side-by-side with a Virgin Pendolino at Manchester Piccadilly.
  1. ^ a b c d e f g h i j k l m n o p q "Class Data Sheet". Angel Trains. http://www.angeltrains.co.uk/fleet/detail.aspx?ID=13. Retrieved 2009-03-14. 
  2. ^ a b "First North Western - News". Archived from the original on 1999-11-28. http://web.archive.org/web/19991128053005/firstnorthwestern.co.uk/news/news.htm. Retrieved 2009-03-14. 
  3. ^ "Mechanical And Electrical Coupling Index". Rail Safety and Standards Board. http://www.rssb.co.uk/RGS/Pages/MECHANICALANDELECTRICALCOUPLINGINDEX.aspx. Retrieved 2010-12-20. 
  4. ^ a b Angel Trains (21 June 2000). "Angel Trains delivers first of 27 Class 175 Coradia trains" (Press release). http://www.angeltrains.co.uk/Press/release.aspx?Id=77. Retrieved 2009-03-17. 
  5. ^ "Class 175 Coradia DMU". traintesting.com. http://www.traintesting.com/Class_175.htm. Retrieved 2009-03-17. 
  6. ^ North Wales Coast Railway - The Trains nwrail.org.uk refers to the coach labelling.
  7. ^ "Select Committee on Transport Appendices to the Minutes of Evidence". 11 June 2003. http://www.publications.parliament.uk/pa/cm200203/cmselect/cmtran/782/782ap09.htm. Retrieved 2009-03-14. "Section 2.3:unit availability was over 60% on only one occasion" 
  8. ^ "About us - History". Riviera Trains. http://www.riviera-trains.co.uk/about_us.htm. Retrieved 2009-03-14. "With the ongoing poor availability of Arriva Trains Wales North Wales Coast Class 175 units..." 
  9. ^ "About Us". Train Maintenance Solutions. http://www.trainmaintenancesolutions.co.uk/about-us-train-maintenance.html. Retrieved 2009-03-14. 
  10. ^ "How do you solve a problem like Coradia?". Modern Railways (January 2007): 50. 
  11. ^ "North Wales Railway notice board". 14 October 2003. http://www.nwrail.org.uk/nw0310c.htm. Retrieved 2009-03-17. 
  12. ^ "Angel Trains delivers first of 27 Class 175 Coradia trains" (Press release). Angel Trains. 21 June 2000. http://www.angeltrains.co.uk/Press/release.aspx?Id=77. Retrieved 2009-03-14. 
  13. ^ "Utilisation of Cardiff-Maesteg Service". Network Rail. 21 November 2006. http://www.networkrail.co.uk/browse%20documents/network%20code/vehicle%20change/completed%20vehicle%20changes/class%20175/class%20175%20utilisation%20of%20cardiff-maesteg%20service/g%20establishment.pdf. Retrieved 2008-10-20. 
  14. ^ "Introduction of Class 175 units between Gloucester and Cheltenham". Network Rail. 3 April 2008. http://www.networkrail.co.uk/browse%20documents/network%20code/vehicle%20change/completed%20vehicle%20changes/class%20175/class%20175%20-%20gloucester%20to%20cheltenham/g%20establishment.pdf. Retrieved 2008-10-20. 
  15. ^ "Introduction to Ebbw Vale line". Network Rail. 20 November 2007. http://www.networkrail.co.uk/browse%20documents/network%20code/vehicle%20change/completed%20vehicle%20changes/class%20175/class%20175%20introduction%20to%20ebbw%20vale%20line/e%20acceptance.pdf. Retrieved 2008-10-20. 
  16. ^ Llandudno and Conwy Valley Railway Society (2006). "News 2006". http://www.lcvrs.org.uk/news.htm. Retrieved 2009-03-17. "At Bangor station on 2nd August 2005 Bryn Terfel named 175003 Eisteddfod Genedlaethol Cymru" 
  17. ^ a b "The Encyclopaedia of Modern Traction Names - M". TheRailwayCentre.com. http://www.therailwaycentre.com/Nemeplates/M.html. Retrieved 2009-03-17. 
  18. ^ a b "The Encyclopaedia of Modern Traction Names - B". TheRailwayCentre.com. http://www.therailwaycentre.com/Nemeplates/B.html. Retrieved 2009-03-17. 
  19. ^ "The Encyclopaedia of Modern Traction Names - V". TheRailwayCentre.com. http://www.therailwaycentre.com/Nemeplates/V.html. Retrieved 2009-03-17. 
  20. ^ a b "The Encyclopaedia of Modern Traction Names - C". TheRailwayCentre.com. http://www.therailwaycentre.com/Nemeplates/C.html. Retrieved 2009-03-17. 
  21. ^ "The Encyclopaedia of Modern Traction Names - S". TheRailwayCentre.com. http://www.therailwaycentre.com/Nemeplates/S.html. Retrieved 2009-03-17. 
  22. ^ "The Encyclopaedia of Modern Traction Names - P". TheRailwayCentre.com. http://www.therailwaycentre.com/Nemeplates/P.html. Retrieved 2009-03-17. 
  23. ^ "North Wales Coast Line - Notice Board". 22 February 2009. http://www.nwrail.org.uk/nw0902e.htm. Retrieved 2009-03-17. "It is confirmed that the name Eisteddfod Genedlaethol Cymru on 175 003 did not survive the repainting experience. ATW seem to be removing all names as trains are repainted..." 

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