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**Gold Line**
สายสีทอง
Gold Line; สายสีทอง
	Bombardier Innovia APM 300 vehicle at Krung Thonburi station in 2021
Overview
Status	Operating
Owner	Bangkok Metropolitan Administration
Locale	Bangkok, Thailand
Termini	Krung Thon Buri; Khlong San;
Stations	3
Service
Type	People mover (AGT)
Operator(s)	Krungthep Thanakom Company Limited; Bangkok Mass Transit System
Rolling stock	Bombardier Innovia APM 300
History
Opened	16 December 2020; 3 years ago
Technical
Line length	1.8 kilometers (1.1 mi) (est.)
Number of tracks	2
Character	Elevated
Electrification	750 V DC third rail
Operating speed	80 km/h (50 mph)
Signalling	Bombardier CITYFLO 650 moving block CBTC ATC under ATO GoA 3 (DTO), with subsystems of ATP, ATS and CBI
Route map
Route map
	Legend

The Gold Line is an automated people mover line, part of Bangkok's rapid transit system. The line is 1.8 km (1.1 mi) long, consisting of 3 stations,^[2] and was opened by Thai Prime Minister Prayut Chan-o-cha on 16 December 2020.^[3] It primarily serves as a feeder line between the BTS Silom line and Iconsiam shopping center. The line will be extended 1 km (0.62 mi) along Somdet Chao Phraya road to connect with the future MRT Purple Line southern extension. When completed, it will connect Krung Thon Buri BTS station with Prajadhipok Road in Thon Buri District for a total distance of 2.68 km (1.67 mi).

The Gold Line is operated by Bangkok Mass Transit System Public Company Limited (BTSC) under a 30-year contract. The BTSC also operates the BTS Skytrain. A flat fare of 16 Baht is charged. Tickets can only be purchased for stations within the line.^[4]

History

The line was not part of the current M-Map Master Plan as the line was proposed by the owners of Iconsiam mall in July 2015 to provide a feeder service to Iconsiam.^[5]^[6] The project was approved by the Thai Cabinet in September 2016 with an initial planned opening of late 2018.^[7] Preliminary works began in June 2018 with major construction commencing in September 2018.

Design and development of the line was the responsibility of Krungthep Thanakom PCL, an enterprise of the Bangkok Metropolitan Administration.^[8] The project budget of 3.8 billion Thai baht was fully funded by the proponent of the project, shopping mall company Siam Piwat who has responsibility for all construction costs.^[9] All advertising revenue and operating profits will be collected by Siam Piwat Company during the 30 year concession period.

At the end of August 2020, overall work for the Gold Line was 95% complete.^[10] The line was due to open on 1 October 2020^[11] and initial test runs began on 11 September.^[12] However, further test runs revealed that additional tests would be required of the signaling and operational systems before full operations could start.^[13] The President of the BTSC stated that a further two months of tests were required and that the line would not open until December 2020.^[14] In early December, an opening date of 16 December 2020 was announced.^[15] Upon opening, a one-month free travel period was in effect until 15 January 2021.^[16]

Extension

Prajadhipok Extension

The line will then be further extended 0.95 km (0.59 mi) west along Somdet Chao Phraya road and terminate at Prajadhipok station to connect with the MRT Purple Line southern extension, which is scheduled to open in 2027.

Services

Gold Line trains operate from 06:00 to 00:00 with a frequency range of six to twelve-minute intervals.^[17] During the free fare period for the first month of operations in January 2021, the line was averaging between 5000 and 6000 daily passengers with 3000 using Iconsiam station.^[18]

Bombardier Innovia APM 300 vehicle at Krung Thon Buri station
Bombardier Innovia APM 300 vehicle approaching Khlong San station
Interior of Gold Line Bombardier Innovia APM 300

Stations

Code	Station Name		Image	Opened	Platform type	Transfer	Notes
Code	English	Thai	Image	Opened	Platform type	Transfer	Notes
	Krung Thon Buri	กรุงธนบุรี		16 December 2020; 3 years ago (2020-12-16)	Island	Connecting station to BTS	Exit to: • International Pioneers School • Thong Pleng Temple • ERGO Tower
	Charoen Nakhon	เจริญนคร			Side		Exit to: • Iconsiam • Suwan Temple • Wat Suwan School
	Khlong San	คลองสาน			Side	Connecting station to SRT (future)	Exit to: • Taksin Hospital • Somdet Chao Phraya Hospital • Thong Noppakhun Temple • Pong Patchamit Fort

Operation

Gold Line trains operate from 06:00 to 00:00 with a frequency range of six to twelve-minute intervals.^[17] During the free fare period for the first month of operations in January 2021, the line was averaging between 5000 and 6000 daily passengers with 3000 using Iconsiam station.^[18]

Headways

Gold Line Headway^[19]
Time	Section	Headway (Minutes:Seconds)
Monday - Friday
06.00 - 07.00	Krung Thon Buri - Khlong San	15:00
16:00 - 21:00		10:00
21:00 - 22:00		08:00
22:00 - 24:00		15:00
Saturday to Sunday and Public Holiday
06:00 - 10:00	Krung Thon Buri - Khlong San	15:00
10:00 - 15:00		10:00
22:00 - 23:00		08:00
22:00 - 24:00		15:00

Ridership

Gold Line Ridership
Year	Quarter	Quarterly Ridership	Daily Ridership	Annual Ridership	Remarks
2020	Q1			N/A
	Q2
	Q3
	Q4	N/A			Krung Thon Buri - Khlong San section opened on 16 December 2020 2nd wave of COVID-19 outbreaks (December 2020 - February 2021)
2021	Q1	N/A	2,498	N/A
	Q2		1,302		3rd wave of COVID-19 outbreaks (April 2021 - June 2021)
	Q3		726		4th wave of COVID-19 outbreaks (July 2021 - early 2022)
	Q4		2,248
2022	Q1	162,794	1,730	1,243,319
	Q2	160,859	2,541
	Q3	369,543	3,780
	Q4	550,123	5,130
2023	Q1	496,438	5,067	2,456,776
	Q2	567,282	5,654
	Q3	670,473	6,638
	Q4	722,583	6,949
2024	Q1	621,059	6,492	1,737,660
	Q2	619,707^[20]^[21]	6,445
	Q3	496,894^[22]^[23]	8,015		As of August 2024.
	Q4

Rolling stock

The Gold Line uses Bombardier Innovia APM 300 automated people movers with rubber tyres manufactured by CRRC Puzhen Bombardier Transportation Systems (joint venture of Bombardier Transportation and CRRC Nanjing Puzhen) in Wuhu, Anhui, China. Innovia APMs are commonly used at airports to transport passengers between terminals. Each set has two carriages with 138 passenger capacity in each carriage, and can travel at a maximum of 80 km/h (50 mph).^[24] The first set was due to be delivered in April 2020, but was delayed due to a COVID-19 related lockdown in Anhui province.^[25]

The first set later arrived in Thailand on 18 June 2020, the remaining 2 sets were delivered in August 2020.^[11]