Elizabeth Line - Elizabeth Line Rolling Stock - J

Elizabeth Line - J
Elizabeth Line Rolling Stock
Services on the Elizabeth line are operated exclusively by a fleet of nine-car Class 345 trains that was procured especially for this purpose. The service specifications called for approximately 60 trains, each 200 metres (660 feet) long and capable of carrying up to 1,500 passengers, of which 57 would be in service at any one time.
In March 2011, Crossrail indicated that five bidders had been shortlisted as potential suppliers of both the new fleet and its depot facilities; Alstom, CAF, Siemens Mobility, Hitachi Rail, and Bombardier Transportation – although Alstom withdrew four months later. Crossrail issued invitations to negotiate to the remaining bidders in March 2012, with submission of tenders expected between June and August.
It was stipulated that bidders should offer a fleet based on technology that was "already developed", with the expectation that an "evolutionary, not revolutionary" product would help to ensure "value for money" and " the utmost reliability from day one".
Siemens withdrew their rolling stock bid in July 2013, citing an increase in other business and a need to protect their "ability to deliver... current customer commitments", which included the £1.6 billion Class 700 order for Thameslink. Their contract to supply Crossrail's signalling and control systems was unaffected.
In December 2013, the European Investment Bank (EIB) agreed to provide TfL loans of up to £500 million to fund the rolling stock procurement, following TfL's decision in March of that year to abandon plans to cover most of the cost with private financing.
TfL and the Department for Transport announced in early February 2014 that Bombardier's bid had been successful. The 32-year contract for the supply and maintenance of the trains and depot was valued at £1 billion. It included a firm order for 65 units from Bombardier's new Aventra family, plus an option for a further 18.
The trains have air-conditioning and are designed to be as accessible as possible, including wide aisles and gangways, dedicated areas for wheelchairs, audio and visual announcements, CCTV, and passenger intercoms connected to the driver for use in the event of emergency. They will run at up to 90 mph (140 km/h) on certain parts of the route.
Due to limited platform lengths at both Liverpool Street and Paddington National Rail stations, most Class 345 units were initially delivered as seven-car formations, then later extended to the intended nine.
The first unit entered service on 22 June 2017, between Liverpool Street and Shenfield. TfL exercised an option to acquire a further five units in July 2017, bringing the total number on order to 70.
A number of Class 315 units that had been operating with TfL Rail remained in use on Elizabeth line services between Liverpool Street's terminal platforms and Shenfield alongside Class 345 units while the introduction of the new fleet – including the extension to nine-car formations – was completed.
The Class 315 units, which had been built for British Rail in 1980–1981, could not be used in the line's core section. The final four were withdrawn from service on 9 December 2022.
Elizabeth Line Electrification and Train Protection
The Elizabeth line uses 25 kV, 50 Hz AC overhead lines, already in use on the Great Eastern and Great Western Main Lines.
The Heathrow branch started using the European Train Control System (ETCS) in 2020. The Automatic Warning System (AWS) and Train Protection & Warning System (TPWS) are used on the Great Western and Great Eastern Main Lines, with possible later upgrades to ETCS. Communications-based train control (CBTC) is installed in the central section and the Abbey Wood branch.
Elizabeth Line Overview
Elizabeth Line Service Type: Hybrid urban-suburban rail
Elizabeth Line System: National Rail
Elizabeth Line Locale:
Greater London
Elizabeth Line First Service: 24 May 2022; 13 months ago
Elizabeth Line Current Operator(s): MTR Corporation (Crossrail) Ltd
Elizabeth Line Termini West: Heathrow Terminal 4, Heathrow Terminal 5 and Reading
Elizabeth Line Termini East: Abbey Wood and Shenfield
Elizabeth Line Stops: 41
Elizabeth Line Rolling Stock: Class 345
Elizabeth Line Track Gauge: 1,435 mm (4 ft 8+1⁄2 in) standard gauge
Elizabeth Line Electrification: 25 kV 50 Hz AC (overhead lines)
Elizabeth Line Operating Speed:
Crossrail: 60 mph (95 km/h)
GWML, Heathrow and GEML: 90 mph (145 km/h)
Elizabeth Line Track Owner(s):
Transport for London (Old Oak Common to Abbey Wood and Stratford)
Network Rail (Pudding Mill Lane to Shenfield and Old Oak Common to Reading)
Heathrow Airport Holdings (Heathrow branch)
Elizabeth line Route Legend
                                    River Thames
Heathrow T5             Langley
Heathrow T4             Iver
                                    M25 motorway
Heathrow T2&3        Greater London boundary
                                    West Drayton
Heathrow Rail Link              Great Western Main Line
                                    Hayes & Harlington
                                    River Brent
                                    West Ealing
                                    Ealing Broadway
                                    Acton Main Line
Old Oak Common   Old Oak Common Depot
(under construction)
Crossrail                    Great Western Main Line
Royal Oak portal
Paddington               London Paddington
Bond Street
Tottenham Ct Rd
Farringdon                Barbican
Liverpool St
Crossrail                    Great Eastern Main Line
                                   Pudding Mill Lane
Canary Wharf           Stratford
Victoria Dock portal              Maryland
DocklandsCustom House    Forest Gate
Connaught tunnel                 Manor Park
under Royal Docks
River Thames
Woolwich                                Seven Kings
Abbey Wood                           Goodmayes
Safeguarded route
to Gravesend                          Chadwell Heath
                                                  Romford Control Centre and depot
Gidea Park
Harold Wood
Greater London boundary
M25 motorway
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