ðə vˈiəkəlz wɜː tˈɪpɪkli kənstɹˈʌktᵻd ɪnðə tˈuː hˈaɪts sˈɛt ɪnðə bˈʌs ɡɹˈænt stˈændɚdz,  ænd , mˈoʊstli bɹˈɪstəl ˈɑːmnɪbəs, ɹˈɪbəl, nˈɔːɹðɚn ænd mˈeɪdstoʊn ænd dˈɪstɹɪkt.
The vehicles were typically constructed in the two heights set in the bus grant standards,  and , mostly Bristol Omnibus, Ribble, Northern and Maidstone & District.