Expressway Authority of Thailand
The Expressway Authority of Thailand is a state enterprise under the Ministry of Transport. It was founded in 1972, and operates Thailand's expressway system, which refers to high-capacity controlled-access highways serving the Greater Bangkok area and some nearby provinces.
EXAT does not operate the separate Thai motorway network, which covers intercity controlled-access highways.
Expressway system
First opened in 1981, the system currently consists of seven expressways and four expressway links adding up to a total distance of, unchanged since FY2012. In 2013 the system served 594 million cars.The constituent expressway systems are :
- Chaloem Maha Nakhon Expressway
- Si Rat Expressway
- Chalong Rat Expressway
- Burapha Withi Expressway
- Udon Ratthaya Expressway
- Third stage expressway System, S1 section
- Bang Phli–Suk Sawat Expressway
- Ramindra–Outer Ring Road Expressway
- Si Rat–Outer Ring Road Expressway