Between the 1984 inauguration of DART and November 1990, a diesel shuttle train (initially a 201 class or 121 class locomotive with former AEC railcars converted to push–pull stock, later an 80 class train leased from Northern Ireland Railways) operated between Bray and Greystones, connecting with DART services.
In 1984 the Dublin suburban lines over which they worked were electrified and new electric multiple units operated the renamed Dublin Area Rapid Transit (DART) system.
Prior to the start of the electrified DART service in 1984, the line was previously operated by CIÉ 2600 Class diesel railcars dating from the early 1950s, which had been converted in the early 1970s to push-pull operation with a CIE 201 Class diesel locomotive at one end of the train and a driving trailer carriage at the other.
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He led the first major dieselisation programme, which involved the procurement of diesel multiple units from AEC of Southall, 94 diesel locomotives (60 CIE 001 Class and 34 CIE 201 Class) from Metropolitan-Vickers and 12 Sulzer-engined diesel locomotives (CIE 101 Class) from the Birmingham Railway Carriage and Wagon Company.