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.
Coventry Corporation Transport
At the 1925 Commercial Motor Show, Maudslay exhibited one of the first covered top double deckers which the Corporation subsequently purchased. It was not until 1927 however that pneumatic tyres were first fitted to a bus.