Double-deck trams were once popular in some European cities, like Berlin and London, throughout the British Empire countries in the early half of the 20th century including Auckland, Christchurch and Wellington in New Zealand; Hobart, Tasmania in Australia, and in parts of Asia.
They are still in service or even newly introduced in Hong Kong, Alexandria, Oranjestad, Blackpool, Birkenhead, Franschhoek, Auckland and Douglas, mostly as heritage or tourist trams.
[1] From 1910 to 1964, double-deck trams were in use in Mumbai, India (Brihanmumbai Electric Supply and Transport Undertaking).
Hong Kong Tramways operates a very frequent service (trams run approx.
For these reasons, it was considered to be an entirely new tram and on this basis, when it was retired in 2011, it was gifted to the National Tramway Museum in Crich.
A few of the tramcars in the Alexandria tram system in Egypt are double-deckers built by Kinki Sharyo and Fuji Heavy Industries in Japan in 1975-1995.
A very special case is the Seaton Tramway, which is a tourist tram through a bird sanctuary called Wetlands and operates purpose-built double-deckers of a slightly reduced scale, besides historic single-deckers of a regular size.
[11] A service in Dubai, the Dubai Trolley with hydrogen-fuelled double-deck trams in vintage style with an open upper deck, built by US manufacturer TIG/m, was announced in 2009 and opened in 2015 on a single-track line of 1.1km with plans for further extension, but frequently suspended due to the heat and according to some sources finally closed by 2019, the tracks barred by poles, the depot used as a shopping center, and the only car on public display.
The same technology by the same manufacturer was used in the four cars (two single-deckers, two double-deckers) for the new Tram of Oranjestad, Aruba, which was opened in 2012/13, and operates a daily regular service on a single-track line of 1.9 km.
[12] In 2009-2016, Hong Kong extended its fleet largely with new cars that were mainly based on the traditional exterior but showed new technological features, such as a VVVT drive and a full aluminum body.