Although Thailand has no operational high-speed rail lines, the country is planning a large high-speed rail network connecting its major cities. The first line of the network is under construction from Bangkok to Nakhon Ratchasima, with a planned maximum operational speed of 250 km/h (155 mph).

Pattaya is a city in Eastern Thailand, the second-largest city in Chonburi province and the eighth-largest city in Thailand. It is on the east coast of the Gulf of Thailand, about 100 kilometres (62 mi) southeast of Bangkok, and has a population of 328,961 as of 2021.