Double-decker bus
The first commercial horse-drawn double-decker omnibuses were introduced in England in 1847 by Adams & Co. of Fairfield, Bow, then improved upon by John Greenwood, who introduced a new double-decker in 1852.
Double-decker bus
Four 87-seat DesignLine double deckers started on Waikato services in 2018. Since 15 July 2018, double deckers, including some fully electric models, have been operating in Wellington. There are currently 28 diesel double deckers running and 10 electric ones.