NI Railways (NIR) - NI Railways Rolling Stock - I

NI Railways (NIR) - I
NI Railways Rolling Stock
Although the introduction of the Class 3000 trains was a success, they were a like-for-like replacement for the Class 80 units rather than an expansion of the fleet. Due to the limited number of new units, some of NIR's older rolling stock was retained, notably the entire Class 450 on the Belfast-Larne route. To enable NIR to maintain its levels of service, it upgraded some of its older rolling stock.
In 2005, the Class 450 fleet was refurbished to a standard close to that of the Class 3000 units, which saw them through to their withdrawal in 2012. Three four-car Class 80 units were refurbished and a number of locomotives and coaches were converted to push-pull operation with the addition of the DBSO obtained from 'one', to ensure that passenger rolling stock levels were maintained up to the introduction of new rolling stock in 2011 and 2012.
One of the major projects instigated by Translink was "New Trains Two" (formerly "New Trains 2010"), which saw the purchase of a new batch of rolling stock. At minimum, this was to be like-for-like replacement of the Class 450 trains, which were withdrawn in 2012. However, it was determined that to deliver improved frequency of service on the network the size of NIR's fleet had to be increased, and with that must come associated infrastructure improvements.
The announcement of the investment programme confirmed "New Trains 2010", which procured 20 new trains to both replace the remaining Class 80 and Class 450 units and provide additional capacity. The specification given by the DRD stated that the new trains are to provide both inner and outer suburban commuter services and express services between Belfast and Dublin. The Class 4000 fleet entered service on Thursday 29 September 2011. Twenty, three-car units have been specified with an option to purchase an additional 20 vehicles, allowing the units to be lengthened to six cars.
In 2021, following the procurement of 21 additional vehicles purchased to extend a number of its Class 4000 units to six-cars, Translink published a new strategy indicating its intention to provide a zero emission service by 2040. As part of this, NI Railways will begin a process to purchase new rolling stock from 2026 to 2027. The intention is to procure or part procure two fleets - a total of 15 three-car units planned to be either bi-mode or tri-mode for NI Railways' own domestic services, and a fleet of 9 eight-car sets for use by Enterprise, the business case for which will be based on zero- or low-carbon technologies.
NI Railways Overview
NI Railways Main Region(s): Northern Ireland
NI Railways Fleet Size: 47
NI Railways Stations Called At: 54
NI Railways Parent Company: NITHCo (Translink)
NI Railways Dates of Operation: 1967-
NI Railways Predecessor: Ulster Transport Authority
NI Railways Track Gauge: 1,600 mm (5 ft 3 in) Irish gauge
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