The Belfast Corporation bus fleet was transferred to Citybus (now Metro) in 1973.
With the Island Resort now constructed, the population of Siu Sai Wan has been steadily increasing, at present, both First Bus and Citybus extended routes end at Chai Wan (East) and Siu Sai Wan Estate and Island Resort.
From 1976 the RE remained in production only for the Northern Irish state-owned bus companies Ulsterbus and Citybus, and for export to Christchurch Transport Board, New Zealand.
Milton Keynes Citybus was purchased on 2 May 1997 by bus entrepreneur Julian Peddle, using a new Premier Buses Ltd company both to operate in Huntingdon and as a holding company with which to purchase Milton Keynes Citybus.
The group's later acquisition of Southampton Citybus and Southern National saw the companies combined to form First Hampshire & Dorset, which provides the majority of services in the city today.
The Duple Metsec bodywork for Citybus's Dragons, which were assembled by Salvador Caetano in Portugal, were different from those supplied to KMB/CMB in that the frontal design resembled with those used on Alexander R-type and a wider front door was used.
In 1986, the route was tendered out to Eastern National after Loughton garage closed, with their CityBus subsidiary operating the route from a base in Walthamstow.
However, by the early 1990s and after Ngan Shing-kwan's retirement from day-to-day operations, that the Company began to fall behind its competitors Citybus and Kowloon Motor Bus.