Hong Kong has the only fully double-decker tram fleet in the world.

Hobart was also the first city outside Europe to employ electric double-decker trams.

A double-decker tram is a tram that has two levels.

Double-decker trams were common in British cities prior to the dismantling of the networks between the 1930s and 1960s.

In 1904, the narrow, double-decker trams ran along the waterfront, but land reclamation has placed them far inland.

Its fleet of double-decker trams were the only such trams in Australia.

Some double-decker trams had open tops.

The company initially expressed interest in the construction of the railway and intended to operate with double-decker trams, but later withdrew.

The rolling stock consisted of double-decker trams built in Adelaide, each drawn by multiple horses.

To handle rush-hour traffic double-decker trams were introduced on Mumbai's roads in September, 1920.

The Hong Kong Tramway is still in operation today and uses double-decker trams exclusively.

In 1982 Hong Kong Tramways showed interest in building the system and running double-decker trams on it, before finally being forced to abandon the project.

It broadcast music as it passed, and its windows contained the silhouettes of passengers, convincing the less perceptive that it was a double-decker tram.

One of its last tramcar orders was for 10 double-decker trams for Aberdeen Corporation Tramways in 1949.

Large windows illuminate a double-decker tram as well as a reconstruction of the original 1804 horse-drawn Mumbles train, the first passenger railway service in the world.

The English Electric Balloon is a type of double-decker tram that is operated on the Blackpool tramway.

In a world first, the Hobart tram network operated entirely double-decker trams, although these soon proved to have difficulties navigating on Hobart's hillier routes.

One of the more notable tramway systems in Asia is the Hong Kong Tramways, which started operation in 1904 and run exclusively on double-decker trams.

The Hobart tram network was the first in the southern hemisphere to be electrified, and was the first in the world to operate entirely double-decker trams.

Between 1885 and 1932, the Barrow-in-Furness Tramways Company operated a double-decker tram service over several miles primarily around central Barrow, Barrow Island and Hindpool.

Hong Kong Tramways now owns 163 double axle double-decker trams, including two open-balcony dim-sum tourist trams (Vehicle numbers 28 and 128) for tourist trips and private hire.

Hong Kong Tramways: Double-decker trams, running on the north shore of Hong Kong Island from Kennedy Town to Shau Kei Wan.

Most of the companies operated double-decker tram, although some were single level cabs with many built by John Stephenson Co., Duncan and Fraser of Adelaide, and from 1897 by the A&ST at Kensington.