The peak time for fare paying passengers on buses was around 1950- 1955 across the UK. The reliance on buses changed as car ownership increased during the 1960s. By mid-1960s, demand for services was declining.
Locally, Provincial was renowned for its innovative ideas at this time – one of these was the introduction of an air-cooled engine. The Deutz engines lasted for years and after a strip down at half a million miles, there was hardly any sign of wear and tear.