The Gold Line people mover runs from Krung Thon Buri to Klong San and serves Iconsiam.

In the early 1990s, foundations and a viaduct for the Lavalin Skytrain were constructed in the middle of the Phra Pok Klao Bridge across the Chao Phraya River.

[4] Shortly after it became clear that the Lavalin Skytrain had stalled, then-Governor Major General Chamlong Srimuang asked his deputy, Captain Kritsada Arunwong na Ayutthaya, to create a new feeder system with a route along Sukhumvit and Silom Roads.

Originally, the Skytrain depot was to be built underneath Lumphini Park, but due to widespread objections from Bangkok residents it was constructed on a parcel of land on Phahonyothin Road, replacing the old northern/northeastern bus terminal (Mo Chit).

[8]: 51 On 5 March 2020, the BTS made a song about the COVID-19 pandemic, as an antidote to the grim warnings about the coronavirus, showing the staff dancing and keeping hygiene.

This level also typically houses supporting utility equipment like generators and water tanks, often situated on traffic islands.

Additionally, the Saphan Taksin station is conveniently connected to the adjacent Sathon Pier, which is a stop for the Chao Phraya Express Boat services.

[13] Many of these stations are also connected to nearby buildings and public amenities through skybridges, providing easy and convenient access for pedestrians.

Since 2014, platform screen doors (half size) have been installed in several stations including On Nut, Phrom Phong, Asok, Chit Lom, Siam, Thong Lor, Phaya Thai, Victory Monument, Sala Daeng, Chong Nonsi and Surasak.

For instance, the installation at Phrom Phong station in December 2013 led to a software problem, resulting in a six-hour shutdown of all BTS services.

The Mangmoom Card, designed for use across multiple transport systems including the Skytrain, the MRT, and the Airport Rail Link, has experienced several delays.

[20] Currently, passengers need to purchase separate tickets for travel on different Bangkok train systems, namely the Skytrain and the Airport Rail Link.

The MRT and the SRT Red Lines, in contrast, accept EMV (Europay, Mastercard, and Visa) contactless payment, allowing passengers to use their credit or debit cards directly at the entry gates.

[citation needed] Name (km) In 2002, the cabinet of then Prime Minister Thaksin Shinawatra amended laws in order to allow private firms to finance the cost of operating the train system, while the government would undertake civil engineering works to build new extensions.

There are now plans to construct new platforms and remove the bottleneck and keep the station which provides an important link between river boats.

However, due to a combination of changes in government, a prolonged environmental study, and problems with locating a suitable train depot, the extension has been continually delayed.

[32][33] Testing of the final 9.8 km, 7 station section from Wat Phra Sri Mahathat (N17) to Khu Khot (N24) began on 5 October and continued until the full extension opens.

The BMA Transport and Traffic Office completed an economic evaluation of the extension in October 2018 which found a cost benefit ratio of 2.37.

[citation needed] In 2022, Department of Rail Transport ("DRT") was announced that the Silom Line will be part of the new M-Map 2 action plan.

[citation needed] Terminal stations and physical ends of their lines are Khu Khot, Kheha, National Stadium, Bang Wa.

[citation needed] Some trains terminate early and resume travel in the opposite direction at Kasetsart University, Mo Chit, and Samrong.

[47] The Silom Line cars have been modified to support a signaling system from Bombardier Transportation since the extension from Saphan Taksin to Wong Wian Yai.

Siemens supplied bogies, traction, braking, and auxiliary systems and was responsible for project management, development, construction, and commissioning of the trains.

Passengers Information Display) In early 2008, the BTSC ordered 12 new trains (12 sets of four cars) from Changchun Railway Vehicles (EMU B class) to cater for the then soon to open Wong Wian Yai extension of the Silom Line.

This was some 18 months after the Wong Wian Yai and Krung Thonburi stations were opened in May 2009 during which time there was severe overcrowding on the Silom Line.

In September 2011, the BTSC ordered five more four-car trainsets of CNR rolling stock for 1.5 billion baht to prepare for the Silom Line extension to Bang Wa which was then due to open in December 2012.

[52] These five new train sets of rolling stock entered service on 29 November 2013 after the first two stations of the Silom Line extension to Bang Wa opened in January and February 2013, respectively.

EMU-B1/B2 Formation In May 2016, BTSC has signed a contract to order 24 more four-car trains of CRRC Changchun Railway Vehicles rolling stock to prepare for the Sukhumvit Line extension (North) and to cater for increasing demand, with expected delivery in 2018.

[citation needed] Ridership grew steadily with incremental expansion of the lines, and at peak hour, the trains sometimes depart without being able to take all waiting passengers.

This measure aims to address the worsening air pollution caused by surging dust levels across all districts of the capital.