The rail system is long, with a total track length of , and it runs together with other vehicles on the street. Its operation relies on the 550V direct current (d.c.) from the overhead cables, on 3'6" gauge (1067 mm) tracks. The trams provide service to only parts of Hong Kong Island: they run on a double track along the northern coast of Hong Kong Island from Kennedy Town to Shau Kei Wan, with a single clockwise-running track of about around Happy Valley Racecourse.
The rail system is long, with a total track length of , and it runs together with other vehicles on the street. Its operation relies on the 550V direct current (d.c.) from the overhead cables, on 3'6" gauge (1067 mm) tracks The trams provide service to only parts of Hong Kong Island: they run on a double track along the northern coast of Hong Kong Island from Kennedy Town to Shau Kei Wan, with a single clockwise-runn.ing track of about around Happy Valley Racecourse.