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Krung Thep Aphiwat Central Terminal ( Thai : สถานีกลางกรุงเทพอภิวัฒน์ , RTGS :  Sathani Klang Krung Thep Aphiwat , pronounced [sā.tʰǎː.nīː klāːŋ krūŋ tʰêːp ʔà(ʔ).pʰí(ʔ).wát] ), also known by its former name Bang Sue Grand Station ( Thai : สถานีกลางบางซื่อ , RTGS :  Sathani Klang Bang Sue , pronounced [sā.tʰǎː.nīː klāːŋ bāːŋ sɯ̂ː] ; lit.   ' Bang Sue central station ' ), is the central passenger terminal in Bangkok and the current railway hub of Thailand . It replaced the existing Hua Lamphong railway station as the city's central railway station, with long-distance rail services operating from here from 19 January 2023. The station was opened on 2 August 2021 as part of the operation of the SRT Red Lines , and from May 2021 to September 2022 served as a COVID-19 vaccination center. It is linked to the Bang Sue MRT station via an underground walkway.

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58-497: The SRT Dark Red Line (also referred to as Thani Ratthaya Line ( Thai : รถไฟชานเมือง สายธานีรัถยา )), is part of the SRT Red Line suburban railway system to serve the greater Bangkok Metropolitan Region running for 26 km (16 mi) between Krung Thep Aphiwat and Rangsit . In mid-November 2020, the Minister of Transport announced that free trial operations would operate from March 2021 with full-service operations expected from November 2021. In late February 2021,

116-615: A COVID-19 vaccination center from 24 May 2021 to 30 September 2022. Trial operations of the SRT Red Lines , open to the public, began from the station on 2 August 2021. A 33-million baht contract to install a new sign with the station's new ceremonial name was put on hold in January 2023 following public concern about the price. Intercity services began operation from the station on 19 January 2023, with 52 long-distance trains which originally terminated at Bangkok (Hua Lamphong) moved to

174-411: A dialect continuum . Thai language is spoken by over 69 million people (2020). Moreover, most Thais in the northern (Lanna) and the northeastern (Isan) parts of the country today are bilingual speakers of Central Thai and their respective regional dialects because Central Thai is the language of television, education, news reporting, and all forms of media. A recent research found that the speakers of

232-551: A second language among the country's minority ethnic groups from the mid-late Ayutthaya period onward. Ethnic minorities today are predominantly bilingual, speaking Thai alongside their native language or dialect. Standard Thai is classified as one of the Chiang Saen languages—others being Northern Thai , Southern Thai and numerous smaller languages, which together with the Northwestern Tai and Lao-Phutai languages, form

290-507: A flat fare of 20 Baht. The SRT also offers a 30 day integrated Transit Pass which can be used for 50 trips and for travel on all BMTA buses. On the first full day of free trial operations on 3 August 2021 total passengers numbered 2914, on 4 August 2856 passengers used the line. By the end of September, this had increased to around 4,500-5000 passengers a day. For the first 10 months of operations to September 2022 both Red lines carried over 3.2 million passengers and services ran on time 99.45% of

348-533: A four-way distinction among stops and affricates . The maximal four-way occurred in labials ( /p pʰ b ʔb/ ) and denti-alveolars ( /t tʰ d ʔd/ ); the three-way distinction among velars ( /k kʰ ɡ/ ) and palatals ( /tɕ tɕʰ dʑ/ ), with the glottalized member of each set apparently missing. The major change between old and modern Thai was due to voicing distinction losses and the concomitant tone split . This may have happened between about 1300 and 1600 CE, possibly occurring at different times in different parts of

406-702: A full length of nearly 87 km (54.06 mi). In 2004, in conjunction with OTP, the SRT began formulating plans for a new, modern suburban network in Bangkok along existing SRT alignments to replace the existing, limited services. On 7 November 2006, the Thai Cabinet passed a resolution to approve the framework of the new network with the SRT Light Red line being DMU operations while the SRT Dark Red Light would be EMU. At

464-410: A scheduled construction period of just over 3 years to be completed by the end of 2016. Construction works were delayed by 2 months due to site access issues for the contractor and delays related to removing slum dwellers residing within the right of way. However, it was hoped that the use of some of the old Hopewell pillars would speed up the initial construction timetable. By the end of 2013, the project

522-525: A syllable that formerly began with a voiceless consonant (including glottalized stops). An additional complication is that formerly voiceless unaspirated stops/affricates (original /p t k tɕ ʔb ʔd/ ) also caused original tone 1 to lower, but had no such effect on original tones 2 or 3. The above consonant mergers and tone splits account for the complex relationship between spelling and sound in modern Thai. Modern "low"-class consonants were voiced in Old Thai, and

580-556: A tender could be issued in the first quarter of 2024. The SRT Dark Red Line starts at the new Krung Thep Aphiwat Central Terminal heading north for 26 km (16.16 mi) via Don Mueang and terminates at Rangsit in Pathum Thani Province . The line will then be extended 8.84 km (5.49 mi) north from Rangsit to the Thammasat University Rangsit campus. From Krung Thep Aphiwat Central Terminal

638-562: Is a Tai language of the Kra–Dai language family spoken by the Central Thai , Mon , Lao Wiang , Phuan people in Central Thailand and the vast majority of Thai Chinese enclaves throughout the country. It is the sole official language of Thailand . Thai is the most spoken of over 60 languages of Thailand by both number of native and overall speakers. Over half of its vocabulary

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696-523: Is approximately 42,243 million baht. When completed, it will be a new southern railway line, which will help shorten the original train route, which originally runs through Nakhon Pathom and Ratchaburi before going to Pak Tho Station. The new Southern Railway will reduce the distance by about 43 kilometers and the aim of the project also includes the development of the Southwest Transport Center. However, as of 2016 this planned southern extension

754-523: Is derived from or borrowed from Pali , Sanskrit , Mon and Old Khmer . It is a tonal and analytic language . Thai has a complex orthography and system of relational markers . Spoken Thai, depending on standard sociolinguistic factors such as age, gender, class, spatial proximity, and the urban/rural divide, is partly mutually intelligible with Lao , Isan , and some fellow Thai topolects . These languages are written with slightly different scripts, but are linguistically similar and effectively form

812-611: Is the largest railway station in Southeast Asia , with 26 platforms—some 600 metres (2,000 ft) long. The station will offer 274,192 m (2,951,380 sq ft) of usable floor space. The 15 billion baht station is built on 2,325  rai (372 ha; 919 acres) of SRT-owned land and will have maintenance depots for both diesel and electric trains. Currently, long-distance intercity trains terminate at this station, while ordinary and commuter trains calling at all stations continue onwards to Hua Lamphong and still operate at

870-450: Is unlikely that the tenders will be issued until late 2023. In late June, a MOT source expressed that the extension is likely be taken to Cabinet in October 2023 for approval of a new budget of 6.5 billion baht to build the extension. If approved, a tender could be issued in the first quarter of 2024. Construction segments based on M-Map : The 8.84 km (5.49 mi), 4 station extension

928-676: Is very unlikely to be built as when Cabinet approved the northern extension to Thammasat University and the Southern extension to Hua Lumphong, only the original project scope to Maha Chai was referenced. Currently, services operate as all stops. Express trains will likely enter operation after additional phases are completed. (planned) [REDACTED]   ARL   (preliminary works) [REDACTED]   ARL   (preliminary works)   MRT   : Wongwian Yai (under construction) Thai language Thai , or Central Thai (historically Siamese ; Thai: ภาษาไทย ),

986-459: The Northern Thai language (also known as Phasa Mueang or Kham Mueang) have become so few, as most people in northern Thailand now invariably speak Standard Thai, so that they are now using mostly Central Thai words and only seasoning their speech with the "Kham Mueang" accent. Standard Thai is based on the register of the educated classes by Central Thai and ethnic minorities in the area along

1044-510: The Southwestern branch of Tai languages . The Tai languages are a branch of the Kra–Dai language family , which encompasses a large number of indigenous languages spoken in an arc from Hainan and Guangxi south through Laos and Northern Vietnam to the Cambodian border. Standard Thai is the principal language of education and government and spoken throughout Thailand. The standard is based on

1102-527: The 10 km (6.2 mi) 4 station northern extension from Rangsit to Thammasat University will be built first and was originally expected to be tendered by September 2018. This was delayed and then due to be tendered in the 2nd half of 2019. However, the tender has yet again been further delayed until 2021 as the Transport Minister has requested that the new Department of Railways investigate conducting PPP tenders for this extension. The decision to change

1160-593: The 1st Phase of the Dark Red Line project progressively increased due to numerous delays and further redesigns of the project. From an initial estimated 59.89 billion baht in 2007, to 75.55 billion baht in 2009 and to 80.38 billion baht in 2012. An additional requested 8.14 billion baht to increase the number of tracks increased the final budget to 88.52 billion baht. The 26 km (16 mi), 10 station Bang Sue to Rangsit section finally started construction in May 2013 with

1218-493: The 6 car sets and 6 of the 4 car sets - of the total 25 sets of rolling stock had been delivered with a further 2 sets due to be delivered by August 2020. By the end of September 2020, 21 sets had been delivered - 13 of the 6 car sets and 8 of the 4 car sets - with the final 4 sets to be delivered in October. Services operate between 5:30am to 12am. Headways are every 20 minutes except for the peak periods (7am to 9am and 5pm to 7pm) where services depart every 12 minutes. The Line has

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1276-482: The Dark Red Line was for electrical and systems (E&S) and procuring EMU rolling stock. An overhead catenary electrical system with 25 kV 50 Hz AC was specified. In April 2014, only 2 bidders remained but one of the bidding consortiums was disqualified on due to the fact that one of the consortium members (Maru Beni Corp) had convictions for bribery in an Indonesian bidding process. This left MHSC Consortium (Mitsubishi and Hitachi and Sumitomo) as

1334-507: The Dark Red line would be delivered by 2020. The contract specifies 25 EMUs consisting of ten 4 car sets and fifteen 6 car sets for 130 cars in total. In late September 2019, the first 2 sets of rolling stock were shipped from Japan and both arrived in Thailand at Laem Chabang port on 12 October 2019 for shipment to Bangkok. By March 2020, 5 sets had been delivered. As of July 2020, 13 sets - 7 of

1392-547: The Khmer system first before the Thai borrowed. Old Thai had a three-way tone distinction on "live syllables" (those not ending in a stop), with no possible distinction on "dead syllables" (those ending in a stop, i.e. either /p/, /t/, /k/ or the glottal stop that automatically closes syllables otherwise ending in a short vowel). There was a two-way voiced vs. voiceless distinction among all fricative and sonorant consonants, and up to

1450-614: The National Highway No. 325 to cross the Mae Klong Canal and Highway 325 at the intersection to Damnoen Saduak District, approximately 40 + 850 km and crossing the Mae Klong River. It will then revert to ground level and end at Pak Tho railway station , Ratchaburi which will build a train parallel with the royal highway number 3093 and will have 3 more new railway stations in this section. Expected total value of this project

1508-494: The SRT announced that the PPP tenders would not be released until June 2022 with the aim to sign contracts for the extensions (with 50 year leases) in July 2023. However, this was delayed yet again to an initial October 2022 tender release and later a December 2022 date. In late October 2022, the SRT again delayed the tender time frame to February 2023 with an aim to sign contracts by May 2023 but

1566-401: The SRT confirmed that free trial operations will commence on 26 March 2021 with full commercial operations starting on 28 July 2021. However, in July 2021 the SRT again postponed the free trial operations until 2 August 2021. The line finally opened for trial operations on 2 August 2021. Full commercial services began on 29 November 2021. A much delayed 8.84 km (5.49 mi) extension of

1624-484: The Thai-speaking area. All voiced–voiceless pairs of consonants lost the voicing distinction: However, in the process of these mergers, the former distinction of voice was transferred into a new set of tonal distinctions. In essence, every tone in Old Thai split into two new tones, with a lower-pitched tone corresponding to a syllable that formerly began with a voiced consonant, and a higher-pitched tone corresponding to

1682-541: The dialect of the central Thai people, and it is written in the Thai script . Hlai languages Kam-Sui languages Kra languages Be language Northern Tai languages Central Tai languages Khamti language Tai Lue language Shan language others Northern Thai language Thai language Southern Thai language Tai Yo language Phuthai language Lao language (PDR Lao, Isan language ) Thai has undergone various historical sound changes. Some of

1740-526: The extensions to PPP projects and tender out the operation of the line with a 50 year concession was opposed by the SRT and SRT union. On 10 February 2021, the Department of Railways announced that in April 2021 the SRT would issue the tenders for the north extension to Thammasat University and the south extension to Hua Lamphong station . However, the PPP tender process was subject to further review. In October 2021,

1798-518: The future planned High Speed lines. (Funding was finally requested in June 2014 - see above section) In March 2013, the new Bang Sue Grand Station started construction. Between March and June, excavation works for the foundation of the Terminal were delayed by the unearthing of numerous World War II unexploded bombs which required safe removal by the Thai army Explosive Ordnance Teams. In July 2014, construction

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1856-531: The improvement and construction of the Mae Klong railway line which will be constructed through Samut Sakhon, Samut Songkhram and Ratchaburi provinces. It will use a bypass route in Samut Sakhon Province by deviating from the original train line for about 31 km (19 mi). Between Ban Khom railway station and Khlong Chak railway station , the line will be elevated across Ekachai road and deviate along

1914-458: The line from Rangsit to Thammasat University was due to be tendered in June 2022. However, this was later delayed to December 2022 and then until February 2023. With the 14 May 2023 national elections and the ongoing delays in the formation of a new government, it is unlikely that the tenders will be issued until late 2023. In late June, a MOT source expressed that the extension is likely be taken to Cabinet for approval in October 2023 and if approved,

1972-569: The line will be extended 11 km (6.84 mi) south via Phaya Thai to Hua Lamphong station . The final section of the line will run southeast from Hua Lamphong via Wongwian Yai for 39 km (24.23 mi) to Maha Chai in Samut Sakhon Province along the current Maha Chai railway alignment. When fully completed, the line will run on a north–south axis through Bangkok, from Thammasat University's Rangsit campus in Pathum Thani Province to Maha Chai in Samut Sakhon Province for

2030-515: The local patois as pronounced in Guangdong Ayutthaya , the old capital of Thailand from 1351 - 1767 A.D., was from the beginning a bilingual society, speaking Thai and Khmer . Bilingualism must have been strengthened and maintained for some time by the great number of Khmer-speaking captives the Thais took from Angkor Thom after their victories in 1369, 1388 and 1431. Gradually toward the end of

2088-547: The most significant changes occurred during the evolution from Old Thai to modern Thai. The Thai writing system has an eight-century history and many of these changes, especially in consonants and tones, are evidenced in the modern orthography . According to a Chinese source, during the Ming dynasty , Yingya Shenglan (1405–1433), Ma Huan reported on the language of the Xiānluó (暹羅) or Ayutthaya Kingdom, saying that it somewhat resembled

2146-493: The old Bang Sue Junction railway station . The name Krung Thep Aphiwat means "prosperity of Bangkok". The name was chosen by King Vajiralongkorn . In 2010 under the government of Prime Minister Abhisit Vejjajiva , the Ministry of Transport decided to move Bangkok's central railway station (Hua Lamphong station) to the area of Bang Sue Junction Railway Station, to be the center of the rail transport system. In 2013, work on

2204-415: The period, a language shift took place. Khmer fell out of use. Both Thai and Khmer descendants whose great-grand parents or earlier ancestors were bilingual came to use only Thai. In the process of language shift, an abundance of Khmer elements were transferred into Thai and permeated all aspects of the language. Consequently, the Thai of the late Ayutthaya Period which later became Ratanakosin or Bangkok Thai,

2262-434: The project was for the construction of a new, 4 level Intercity Terminal to cater for all SRT Intercity Trains, SRT Red Line suburban trains and the yet to be built Airport Rail Link (Bangkok) extension. The delayed contract process was finally signed in January 2013. In August 2013, the SRT sought extra funds for the project to be redesigned in order to extend upper level platforms to a 400–600 m length in order to accommodate

2320-513: The ring surrounding the Metropolis . In addition to Central Thai, Thailand is home to other related Tai languages . Although most linguists classify these dialects as related but distinct languages, native speakers often identify them as regional variants or dialects of the "same" Thai language, or as "different kinds of Thai". As a dominant language in all aspects of society in Thailand, Thai initially saw gradual and later widespread adoption as

2378-474: The route of Rama II Road around the km 26 + 800 to the 32 + 160 km, then divert to the left to go straight to connect with the original train line. From Samut Songkhram the suggested route will be constructed across the Mae Klong River. A third option is expected to be in use, which is to bypass Samut Songkhram city by diverging from the original train line about 66 km after passing Bang Kraboon railway station , which will be an elevated railway along

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2436-484: The royal vocabulary according to their immediate environment. Thai and Pali, the latter from Theravada Buddhism, were added to the vocabulary. An investigation of the Ayutthaya Rajasap reveals that three languages, Thai, Khmer and Khmero-Indic were at work closely both in formulaic expressions and in normal discourse. In fact, Khmero-Indic may be classified in the same category as Khmer because Indic had been adapted to

2494-573: The sole bidder qualified for the contract. However, their bid of 28,899 million Baht was above the SRT median price of 26 billion baht which was set in 2010. The MHSC Consortium argued that their bid reflects 2013 prices after the minimum wage increase of January 2012. Finally in July 2014, after a prolonged 2-year delay in the bidding process, JICA approved the loan for Contract 3. However, the coup of May 2014 delayed finalization leading to further review and negotiations. By mid 2016, negotiations had concluded and Hitachi promised that all rolling stock for

2552-515: The station started with a contract signing by the State Railway of Thailand (SRT), Sino-Thai Engineering Construction PCL, and Unique Construction and Engineering PCL for the Red Line suburban railway system project consisting of civil work for Bang Sue Grand Station and a maintenance center. In December 2020 it was announced that civil construction of the station was complete. The station acted as

2610-429: The station. The station will have four floors, three above, and one below ground: Also planned is a 186,030 m (2,002,400 sq ft) memorial site to King Rama V , known as the "father of Thai railroads", although this is expected to open after the station itself. Krung Thep Aphiwat Central Terminal is also the location of Phahonyothin cargo yard. With an expanse of about 50 rail-tracks and sidings, it

2668-535: The terminology "low" reflects the lower tone variants that resulted. Modern "mid"-class consonants were voiceless unaspirated stops or affricates in Old Thai—precisely the class that triggered lowering in original tone 1 but not tones 2 or 3. Modern "high"-class consonants were the remaining voiceless consonants in Old Thai (voiceless fricatives, voiceless sonorants, voiceless aspirated stops). The three most common tone "marks" (the lack of any tone mark, as well as

2726-403: The three tones of Old Thai were split have since merged into five in standard Thai, with the lower variant of former tone 2 merging with the higher variant of former tone 3, becoming the modern "falling" tone. หม ม หน น, ณ หญ ญ หง ง ป ผ พ, ภ บ ฏ, ต ฐ, ถ ท, ธ ฎ, ด จ ฉ ช Bang Sue Grand Station It

2784-452: The time according to the SRT. By the end of September 2022, the line averaged only 309,000 passengers a month. By January 2023, the average number daily passengers rose to around 22,000 to 23,000 on weekedays. At the end of April 2023, daily weekday passengers were 4000 for Don Mueang station and 2500 for Rangsit station. In July 2016, the Thai Cabinet approved the first section of the southern extension from Bang Sue to Hua Lamphong. However,

2842-451: The time frame was contingent on new Cabinet approval of an updated budget for the extension. At the same time, the SRT decided to defer the bidding for the 50 year operation concession and new EMUs to December 2024. Once the concession is contracted the SRTET will cease to operate the line. With the 14 May 2023 national elections and the expected time frame in the formation of a new government, it

2900-643: The time, it was expected that the full line could be completed within 15–20 years. In February 2009, the Thai government secured a 24 billion baht (US$ 685 million) loan from the Japanese Government for the initial segment of the 87 km (54 mi) line. The first Phase from Bang Sue to Rangsit was approved in 2010 but delayed due to a complicated 2.5 year contractual dispute. The 26 km (16 mi), 10 station Rangsit to Bang Sue section finally started construction in May 2013 after new contracts were signed in January 2013. A construction period of 3 years

2958-423: The two marks termed mai ek and mai tho ) represent the three tones of Old Thai, and the complex relationship between tone mark and actual tone is due to the various tonal changes since then. Since the tone split, the tones have changed in actual representation to the point that the former relationship between lower and higher tonal variants has been completely obscured. Furthermore, the six tones that resulted after

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3016-408: Was 10% behind schedule. The new station was originally scheduled to open by end of 2016 but the above-mentioned redesign work and other delays resulted in an expected 2020 opening date. In September 2017, construction progress of the station civil works was at 57.50%. By the end of September 2019 civil works were at 86.01%. By July 2020, civil works were almost complete at 99.8%. The 3rd contract for

3074-449: Was a thorough mixture of Thai and Khmer. There were more Khmer words in use than Tai cognates. Khmer grammatical rules were used actively to coin new disyllabic and polysyllabic words and phrases. Khmer expressions, sayings, and proverbs were expressed in Thai through transference. Thais borrowed both the Royal vocabulary and rules to enlarge the vocabulary from Khmer. The Thais later developed

3132-431: Was approved by Cabinet in 2016 with an expected tender by September 2018. The extension to Thammasat University was then to be tendered in the 2nd half of 2019. However, the tender was further been delayed until 2021 as the transport minister requested that the new Department of Railways investigate conducting PPP tenders for the extension. The 11.0 km (6.84 mi), 7-station southern extension to Hua Lumphong station

3190-404: Was approved by Cabinet in 2016. However, the northern extension to Thammasat University will be built before this section. The last section of the line will run 39.0 km (24.23 mi) southeast from Hua Lumphong to Maha Chai in Samut Sakhon Province via Wong Wian Yai along the current Maha Chai railway alignment. The Office of Transport and Traffic Policy and Planning (OTP) have studied

3248-770: Was only 3% done & already months behind schedule due to a longer timetable in removing the Hopewell Pillars. In June 2014, the SRT requested an additional 8.14 billion baht to modify the Dark Red line to 4 tracks instead of 3.Aaccordingly, redesign all stations and to provide for the longer platforms for the Bang Sue Terminal to cater for future HSR lines. 8.140 billion baht request is; 4.32 billion baht for Contract 1 (modifications to Bang Sue Grand Station to cater for High Speed trains); 3.35 billion Baht for Contract 2 (4th track and stations redesign) and 473 million baht for Contract 3. In September 2017, civil works progress

3306-494: Was stated to be 88.63%. By the end of September 2019 civil works were almost fully complete at 99.56% and Electrical and Signalling installation was at 45.60%. By July 2020, S&E installation was at 85.12% completion. By October 2020, 90% of the power supply for the line had been installed by the Metropolitan Electricity Authority (MEA) with all installation due for completion by November 2020. Contract 1 of

3364-827: Was stated. By the end of 2013, the project was only 3% done & already months behind schedule due to delays in removing the Hopewell Pillars . In June 2014, the SRT requested an additional 8.14 billion baht to modify the Dark Red line to 4 tracks instead of 3, to accordingly redesign all stations and to provide for the longer platforms for the Bang Sue Grand Station to cater for future HSR lines. The 8.14 billion baht requested composed of 4.32 billion baht for Contract 1 (modifications to Bang Sue Grand Station to cater for High Speed trains); 3.35 billion Baht for Contract 2 (4th track and stations redesign) and an extra 473 million baht for rolling stock (Contract 3). The budget for

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