Dublin Bus Rail Link - 90 Connolly StationFour Volvo Olympians were delivered in the new Railink branding from Walter Alexander bus builders in Northern Ireland to Dublin bus in mid 1999. The registration numbers were 99 D 517, 99 D 518, 99 D 519 and 99 D 520, with a fleet number of RV 517, RV 518, RV 519, and RV 520 respectively. This model is: RV517 (99 D 517) with the route 90 Connolly Station 1: 76 model of the Volvo Alexander Olympian double deck bus with unique Dublin Bus body style and