Thailand

Thailand

Thailand , officially the Kingdom of Thailand , formerly known as Siam , is a country located at the centre of the Indochina peninsula and Southeast Asia. It is bordered to the north by Burma and Laos, to the east by Laos and Cambodia, to the south by the Gulf of Thailand and Malaysia, and to the...

's expressway system comprises (usually elevated) high-capacity controlled-access highway

Controlled-access highway

A controlled-access highway is a highway designed exclusively for high-speed vehicular traffic, with all traffic flow and ingress/egress regulated...

s 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

Thai motorway network

The Thai motorway network is an intercity motorway network that currently spans 145 kilometers. It is to be greatly extended to 4154.7 kilometers according to the master plan....

. First opened to service in 1981, the system currently consists of seven completed sub-systems completed adding up to a total distance of 198.4 kilometres (123.3 mi).

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

1. First Stage Expressway System (officially known as Chalerm Maha Nakhon Expressway)
2. Second Stage Expressway System (Si Rat Expressway)
3. Ramindra – At Narong Expressway (Chalong Rat Expressway)
4. Bang Na Expressway
   Bang Na Expressway
   The Bang Na Expressway , officially Burapha Withi Expressway , is a 54 km long six-lane elevated highway in Bangkok, Thailand...
   
   (Burapha Withi Expressway)
5. Bang Pa-in – Pak Kret Expressway (Udon Ratthaya Expressway)
6. Third Stage Expressway System, S1 section
7. Bang Phli – Suk Sawat Expressway
8. Ramindra – Outer Ring Road Expressway