Thai expressway system

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Overview map showing the different sections of the expressway system

Thailand's expressway system comprises (usually elevated) high-capacity controlled-access highways serving the Greater Bangkok area and some nearby provinces. The system is operated under the oversight of the Expressway Authority of Thailand (EXAT), and is distinct from the Thai motorway network. First opened to service in 1981, the system currently consists of seven completed sub-systems completed adding up to a total distance of 207.9 kilometres (129.2 mi).[1]

The constituent expressway systems are (in order of completion):[2]

  1. Chaloem Maha Nakhon Expressway (First Stage Expressway System)
  2. Si Rat Expressway (Second Stage Expressway System)
  3. Chalong Rat Expressway (Ramindra – At Narong Expressway)
  4. Burapha Withi Expressway (Bang Na Expressway)
  5. Udon Ratthaya Expressway (Bang Pa-in – Pak Kret Expressway)
  6. Third stage expressway System, S1 section (At Narong - Bang Na)
  7. Bang Phli – Suk Sawat Expressway (South Kanchanaphisek ring road)
  8. Ramindra – Outer Ring Road Expressway

Other elevated toll roads in Bangkok include the Uttaraphimuk Elevated Tollway (Don Mueang Tollway), which is not operated by the EXAT.


  1. ^ EXAT Annual Report 2012
  2. ^ Expressway Authority of Thailand. "โครงข่ายทางพิเศษที่เปิดให้ใช้บริการ". Expressway Authority of Thailand website. Retrieved 5 August 2011.