Bangkok Rapid Transit

Rail transport was introduced to Bangkok in 1893, and the national railway network was developed during the 20th century. Rapid transit in Bangkok includes several rail lines: the BTS Skytrain, MRT and Airport Rail Link.

Bangkok's first rail line was the private Paknam Railway linking Bangkok to Samut Prakan which opened in 1893. The national railway network was subsequently developed and first opened in 1896, linking Bangkok to Nakhon Ratchasima and then expanding to reach Chiang Mai, Nong Khai, Ubon Ratchathani and Su-ngai Kolok.

Electric trams served the city from 1894 to 1968. In the late 1800s and early 1900s, King Rama V eagerly built a tram network for Bangkok by employing foreign engineers and technicians, especially Danish engineers. However, due to a lack of interest and maintenance, the tram network was completely scrapped in 1968.

Although proposals for the development of rapid transit in Bangkok had been made since 1975, leading to plans for the failed Lavalin Skytrain, it was only in 1999 that Thailand's first rapid transit system, the BTS Skytrain, began operation.

The underground MRT subsequently opened in 2004, and the Airport Rail Link began operation in 2010.

Bangkok is the location of Hua Lamphong Railway Station, the main terminus of the national rail network operated by the State Railway of Thailand (SRT). Trains travelling on the Northern Line to Chiang Mai, the Northeastern Line to Nong Khai and Ubon Ratchathani, and the Eastern Line to Aranyaprathet originate at the station, and so do some trains of the Southern Line, which terminates at Su-ngai Kolok and has a connection to Malaysia (the other Southern terminus is ). In addition to long-distance services, the SRT also operates a few daily commuter trains running from and to the outskirts of the city during the rush hour, but passenger numbers have remained low.

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