Bangkok (CNN) — After years of delays and much debate, it's finally happening. Bullet trains are coming to Thailand.
With one project under construction, another approved and others being considered, many in the country are questioning whether high-speed rail (HSR) will be the right fit for the country.

"This is going to be a big change for Thailand," says Thanet Sorat, an adviser to Thailand's Senate Committee on Transportation, vice president of shipping company, V-Serve, and president of the Thai Authorized Customs Brokers Association.
He hopes to see sleek trains pinballing around the country at 155 mph (250 kph) within five years.
Both projects currently in the works will employ Chinese HSR technology. Though Thailand declined Chinese loans, the projects are considered a part of the Belt and Road Initiative (BRI), a plan that aims to connect China to the rest of Asia through new transport infrastructure.
Bangkok to Pattaya in 45 minutes
Expected to open in 2021 to replace Bangkok's 103-year-old Hualamphong Station, a massive new rail hub in the city's Bang Sue district will serve passengers using both HSR and the country's existing railway network, which is being upgraded from single to dual track.
Tied to this, on October 24, a conglomerate led by Thailand's CP Group signed a contract with the State Railway of Thailand (SRT) for the construction of a HSR line linking Bangkok's two airports, Suvarnabhumi and Don Mueang, to three eastern provinces.
It will operate in addition to the existing Airport Rail Link, an elevated train that connects Suvarnabhumi to Bangkok's metro system.
The planned line, beginning from Don Mueang then passing through Bang Sue, will also stop at Makkasan in central Bangkok before proceeding to Chachoengsao, Chonburi, Sriracha and Pattaya, a major tourist destination located 75 miles (120 km) south of Bangkok on the Gulf of Thailand.
Expected to begin service in 2024, the 137-mile line will terminate at U-Tapao Airport, outside of Pattaya in Rayong province.

The new line will connect Bangkok's two airports with U-Tapao Airport in Rayong province, an industrial and fishing hub.
Pailin Wedel/Bloomberg/Getty Images
The government plans to move some 10% of flights from Bangkok to a redesigned U-Tapao in order to ease congestion at Suvarnabhumi and Don Mueang.
"To do that, they need a transportation link between the airports, and it could be a good opportunity for HSR," says Jittichai Rudjanakanoknad of Chulalongkorn University's Department of Civil Engineering.
A conglomerate led by Thailand's Charoen Pokphand Group (CP), which also includes the China Railway Construction Corp., will cover an investment of 224 billion baht ($7.4 billion) in exchange for real estate concessions and a 50-year license to operate the line.
One goal is to provide easy access to the Eastern Economic Corridor (EEC), a zone that Thanet says constitutes 80% of total foreign investment in Thailand.
Supporters point out that HSR will reduce travel time between Bangkok's two airports to just 20 minutes, and shuttle tourists to Pattaya in less than an hour. They also predict it will reduce traffic on highways, curtailing accidents in a country with one of the world's highest road fatality rates.
As it stands, transferring between Suvarnabhumi and Don Mueang entails a shuttle bus journey that can last an hour or more during Bangkok's notoriously sluggish rush hours.
Reaching Pattaya from Suvarnabhumi requires haggling with a taxi driver, taking a cramped van or traveling across town to catch a bus from Ekkamai Terminal for the two-hour ride.
"Linking the three airports is a noble objective," says Ruth Banomyong, director of the Center for Logistics Research at Bangkok's Thammasat University.
But he and other critics question whether HSR is the right choice, given the high cost and relatively short distances involved. Some argue that dual-track rail would suffice for the eastern provinces, which currently lack any railway at all.

The SRT said in September that 80% of land needed for the three-airport line has been secured for expropriation, and the Bangkok Post has reported that 3,000 houses will need to be demolished. Adding that gas and electrical lines may also be affected, Jittichai says, "it's not easy to relocate people. Some are going to court and it takes quite a long time."
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Construction of the China-Laos railway is now underway in Yunnan province.
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Expected to open in 2023, Thailand's maiden HSR line is now under construction beside existing railway tracks in Nakhon Ratchasima, a northeastern province also known as Khorat.
Unlike on the three-airport line, Chinese state firms are responsible for nearly all of the construction.
Beginning at Bang Sue, this 157-mile "Khorat line" will stop at Don Mueang Airport and the historic capital of Ayutthaya before cutting northeast to Saraburi and Pak Chong near the popular Khao Yai National Park. It will terminate at Khorat -- at least until the track is extended.
The government's long-term plan is to extend the line north to Nong Khai, located 370 miles (600 km) northeast of Bangkok and home to a popular border crossing that enables travelers to reach the Lao capital of Vientiane. After crossing the Mekong River on a new bridge, passengers would be able to continue north on another HSR line now being built in Laos.
The ultimate goal is to link these lines with Kunming in southern China's Yunnan province.
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Source:https://edition.cnn.com/travel/amp/thailand-bullet-trains/index.html

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